id	sid	tid	token	lemma	pos
istl-49	1	1	a	a	DET
istl-49	1	2	study	study	NOUN
istl-49	1	3	of	of	ADP
istl-49	1	4	the	the	DET
istl-49	1	5	copyright	copyright	NOUN
istl-49	1	6	renewal	renewal	NOUN
istl-49	1	7	rate	rate	NOUN
istl-49	1	8	for	for	ADP
istl-49	1	9	maps	map	NOUN
istl-49	1	10	title	title	NOUN
istl-49	1	11	abstract	abstract	ADJ
istl-49	1	12	introduction	introduction	NOUN
istl-49	1	13	methods	method	NOUN
istl-49	1	14	results	result	VERB
istl-49	1	15	discussion	discussion	NOUN
istl-49	1	16	conclusion	conclusion	NOUN
istl-49	1	17	acknowledgements	acknowledgement	NOUN
istl-49	1	18	references	reference	VERB
istl-49	1	19	a	a	DET
istl-49	1	20	study	study	NOUN
istl-49	1	21	of	of	ADP
istl-49	1	22	the	the	DET
istl-49	1	23	copyright	copyright	NOUN
istl-49	1	24	renewal	renewal	NOUN
istl-49	1	25	rate	rate	NOUN
istl-49	1	26	for	for	ADP
istl-49	1	27	maps	map	NOUN
istl-49	1	28	linda	linda	PROPN
istl-49	1	29	musser	musser	PROPN
istl-49	1	30	fletcher	fletcher	PROPN
istl-49	1	31	l.	l.	PROPN
istl-49	1	32	byrom	byrom	PROPN
istl-49	1	33	earth	earth	PROPN
istl-49	1	34	and	and	CCONJ
istl-49	1	35	mineral	mineral	PROPN
istl-49	1	36	sciences	sciences	PROPN
istl-49	1	37	library	library	PROPN
istl-49	1	38	penn	penn	PROPN
istl-49	1	39	state	state	PROPN
istl-49	1	40	university	university	PROPN
istl-49	1	41	105	105	NUM
istl-49	1	42	deike	deike	PROPN
istl-49	1	43	building	building	PROPN
istl-49	1	44	university	university	NOUN
istl-49	1	45	park	park	NOUN
istl-49	1	46	pa	pa	PROPN
istl-49	1	47	16802	16802	NUM
istl-49	1	48	usa	usa	PROPN
istl-49	2	1	lindamusser@psu.edu	lindamusser@psu.edu	PROPN
istl-49	2	2	abstract	abstract	ADV
istl-49	2	3	this	this	DET
istl-49	2	4	study	study	NOUN
istl-49	2	5	examines	examine	VERB
istl-49	2	6	the	the	DET
istl-49	2	7	copyright	copyright	NOUN
istl-49	2	8	renewal	renewal	NOUN
istl-49	2	9	of	of	ADP
istl-49	2	10	maps	map	NOUN
istl-49	2	11	published	publish	VERB
istl-49	2	12	in	in	ADP
istl-49	2	13	the	the	DET
istl-49	2	14	united	united	PROPN
istl-49	2	15	states	states	PROPN
istl-49	2	16	from	from	ADP
istl-49	2	17	1923	1923	NUM
istl-49	2	18	to	to	ADP
istl-49	2	19	1950	1950	NUM
istl-49	2	20	and	and	CCONJ
istl-49	2	21	compares	compare	VERB
istl-49	2	22	the	the	DET
istl-49	2	23	results	result	NOUN
istl-49	2	24	with	with	ADP
istl-49	2	25	a	a	DET
istl-49	2	26	recent	recent	ADJ
istl-49	2	27	study	study	NOUN
istl-49	2	28	of	of	ADP
istl-49	2	29	copyright	copyright	NOUN
istl-49	2	30	renewals	renewal	NOUN
istl-49	2	31	for	for	ADP
istl-49	2	32	books	book	NOUN
istl-49	2	33	.	.	PUNCT
istl-49	3	1	results	result	NOUN
istl-49	3	2	indicate	indicate	VERB
istl-49	3	3	that	that	SCONJ
istl-49	3	4	,	,	PUNCT
istl-49	3	5	while	while	SCONJ
istl-49	3	6	the	the	DET
istl-49	3	7	average	average	ADJ
istl-49	3	8	copyright	copyright	NOUN
istl-49	3	9	renewal	renewal	NOUN
istl-49	3	10	rate	rate	NOUN
istl-49	3	11	for	for	ADP
istl-49	3	12	maps	map	NOUN
istl-49	3	13	appears	appear	VERB
istl-49	3	14	similar	similar	ADJ
istl-49	3	15	to	to	ADP
istl-49	3	16	that	that	PRON
istl-49	3	17	of	of	ADP
istl-49	3	18	books	book	NOUN
istl-49	3	19	,	,	PUNCT
istl-49	3	20	the	the	DET
istl-49	3	21	average	average	NOUN
istl-49	3	22	was	be	AUX
istl-49	3	23	skewed	skew	VERB
istl-49	3	24	higher	high	ADJ
istl-49	3	25	by	by	ADP
istl-49	3	26	a	a	DET
istl-49	3	27	single	single	ADJ
istl-49	3	28	publisher	publisher	NOUN
istl-49	3	29	whose	whose	DET
istl-49	3	30	renewal	renewal	NOUN
istl-49	3	31	rate	rate	NOUN
istl-49	3	32	was	be	AUX
istl-49	3	33	much	much	ADV
istl-49	3	34	higher	high	ADJ
istl-49	3	35	than	than	ADP
istl-49	3	36	average	average	ADJ
istl-49	3	37	.	.	PUNCT
istl-49	4	1	with	with	SCONJ
istl-49	4	2	the	the	DET
istl-49	4	3	data	datum	NOUN
istl-49	4	4	from	from	ADP
istl-49	4	5	that	that	DET
istl-49	4	6	publisher	publisher	NOUN
istl-49	4	7	excluded	exclude	VERB
istl-49	4	8	,	,	PUNCT
istl-49	4	9	the	the	DET
istl-49	4	10	average	average	ADJ
istl-49	4	11	copyright	copyright	NOUN
istl-49	4	12	renewal	renewal	NOUN
istl-49	4	13	rate	rate	NOUN
istl-49	4	14	dropped	drop	VERB
istl-49	4	15	to	to	ADP
istl-49	4	16	10	10	NUM
istl-49	4	17	%	%	NOUN
istl-49	4	18	,	,	PUNCT
istl-49	4	19	meaning	mean	VERB
istl-49	4	20	that	that	SCONJ
istl-49	4	21	a	a	DET
istl-49	4	22	significant	significant	ADJ
istl-49	4	23	number	number	NOUN
istl-49	4	24	of	of	ADP
istl-49	4	25	maps	map	NOUN
istl-49	4	26	copyrighted	copyright	VERB
istl-49	4	27	in	in	ADP
istl-49	4	28	the	the	DET
istl-49	4	29	united	united	PROPN
istl-49	4	30	states	states	PROPN
istl-49	4	31	in	in	ADP
istl-49	4	32	the	the	DET
istl-49	4	33	first	first	ADJ
istl-49	4	34	half	half	NOUN
istl-49	4	35	of	of	ADP
istl-49	4	36	the	the	DET
istl-49	4	37	20th	20th	ADJ
istl-49	4	38	century	century	NOUN
istl-49	4	39	are	be	AUX
istl-49	4	40	probably	probably	ADV
istl-49	4	41	in	in	ADP
istl-49	4	42	the	the	DET
istl-49	4	43	public	public	ADJ
istl-49	4	44	domain	domain	NOUN
istl-49	4	45	due	due	ADP
istl-49	4	46	to	to	ADP
istl-49	4	47	lack	lack	NOUN
istl-49	4	48	of	of	ADP
istl-49	4	49	copyright	copyright	NOUN
istl-49	4	50	renewal	renewal	NOUN
istl-49	4	51	.	.	PUNCT
istl-49	5	1	this	this	PRON
istl-49	5	2	has	have	VERB
istl-49	5	3	implications	implication	NOUN
istl-49	5	4	for	for	ADP
istl-49	5	5	library	library	NOUN
istl-49	5	6	map	map	NOUN
istl-49	5	7	digitization	digitization	NOUN
istl-49	5	8	projects	project	NOUN
istl-49	5	9	,	,	PUNCT
istl-49	5	10	as	as	ADV
istl-49	5	11	much	much	ADV
istl-49	5	12	more	more	ADJ
istl-49	5	13	content	content	NOUN
istl-49	5	14	may	may	AUX
istl-49	5	15	be	be	AUX
istl-49	5	16	available	available	ADJ
istl-49	5	17	for	for	ADP
istl-49	5	18	scanning	scanning	NOUN
istl-49	5	19	and	and	CCONJ
istl-49	5	20	archiving	archiving	NOUN
istl-49	5	21	than	than	SCONJ
istl-49	5	22	was	be	AUX
istl-49	5	23	previously	previously	ADV
istl-49	5	24	thought	think	VERB
istl-49	5	25	.	.	PUNCT
istl-49	6	1	introduction	introduction	NOUN
istl-49	6	2	with	with	ADP
istl-49	6	3	the	the	DET
istl-49	6	4	advent	advent	NOUN
istl-49	6	5	of	of	ADP
istl-49	6	6	large	large	ADJ
istl-49	6	7	-	-	PUNCT
istl-49	6	8	scale	scale	NOUN
istl-49	6	9	digitization	digitization	NOUN
istl-49	6	10	projects	project	NOUN
istl-49	6	11	that	that	PRON
istl-49	6	12	are	be	AUX
istl-49	6	13	available	available	ADJ
istl-49	6	14	to	to	ADP
istl-49	6	15	the	the	DET
istl-49	6	16	public	public	NOUN
istl-49	6	17	for	for	ADP
istl-49	6	18	searching	search	VERB
istl-49	6	19	,	,	PUNCT
istl-49	6	20	interest	interest	NOUN
istl-49	6	21	in	in	ADP
istl-49	6	22	access	access	NOUN
istl-49	6	23	to	to	ADP
istl-49	6	24	digitized	digitize	VERB
istl-49	6	25	works	work	NOUN
istl-49	6	26	has	have	AUX
istl-49	6	27	increased	increase	VERB
istl-49	6	28	.	.	PUNCT
istl-49	7	1	examples	example	NOUN
istl-49	7	2	of	of	ADP
istl-49	7	3	these	these	DET
istl-49	7	4	projects	project	NOUN
istl-49	7	5	include	include	VERB
istl-49	7	6	the	the	DET
istl-49	7	7	internet	internet	NOUN
istl-49	7	8	archive	archive	NOUN
istl-49	7	9	,	,	PUNCT
istl-49	7	10	google	google	PROPN
istl-49	7	11	books	book	NOUN
istl-49	7	12	,	,	PUNCT
istl-49	7	13	and	and	CCONJ
istl-49	7	14	the	the	DET
istl-49	7	15	hathitrust	hathitrust	NOUN
istl-49	7	16	digital	digital	ADJ
istl-49	7	17	library	library	NOUN
istl-49	7	18	,	,	PUNCT
istl-49	7	19	among	among	ADP
istl-49	7	20	others	other	NOUN
istl-49	7	21	.	.	PUNCT
istl-49	8	1	the	the	DET
istl-49	8	2	oft	oft	ADV
istl-49	8	3	-	-	PUNCT
istl-49	8	4	quoted	quote	VERB
istl-49	8	5	rule	rule	NOUN
istl-49	8	6	of	of	ADP
istl-49	8	7	thumb	thumb	NOUN
istl-49	8	8	that	that	PRON
istl-49	8	9	works	work	VERB
istl-49	8	10	published	publish	VERB
istl-49	8	11	during	during	ADP
istl-49	8	12	or	or	CCONJ
istl-49	8	13	after	after	ADP
istl-49	8	14	1923	1923	NUM
istl-49	8	15	are	be	AUX
istl-49	8	16	still	still	ADV
istl-49	8	17	in	in	ADP
istl-49	8	18	copyright	copyright	NOUN
istl-49	8	19	–	–	PUNCT
istl-49	8	20	leads	lead	VERB
istl-49	8	21	librarians	librarian	NOUN
istl-49	8	22	and	and	CCONJ
istl-49	8	23	others	other	NOUN
istl-49	8	24	to	to	PART
istl-49	8	25	consider	consider	VERB
istl-49	8	26	all	all	DET
istl-49	8	27	such	such	ADJ
istl-49	8	28	works	work	NOUN
istl-49	8	29	off	off	NOUN
istl-49	8	30	-	-	PUNCT
istl-49	8	31	limits	limit	NOUN
istl-49	8	32	for	for	ADP
istl-49	8	33	access	access	NOUN
istl-49	8	34	.	.	PUNCT
istl-49	9	1	(	(	PUNCT
istl-49	9	2	note	note	NOUN
istl-49	9	3	:	:	PUNCT
istl-49	9	4	as	as	ADP
istl-49	9	5	of	of	ADP
istl-49	9	6	january	january	PROPN
istl-49	9	7	1	1	NUM
istl-49	9	8	,	,	PUNCT
istl-49	9	9	2019	2019	NUM
istl-49	9	10	that	that	DET
istl-49	9	11	date	date	NOUN
istl-49	9	12	has	have	AUX
istl-49	9	13	increased	increase	VERB
istl-49	9	14	to	to	ADP
istl-49	9	15	1924	1924	NUM
istl-49	9	16	and	and	CCONJ
istl-49	9	17	will	will	AUX
istl-49	9	18	increase	increase	VERB
istl-49	9	19	annually	annually	ADV
istl-49	9	20	by	by	ADP
istl-49	9	21	one	one	NUM
istl-49	9	22	year	year	NOUN
istl-49	9	23	,	,	PUNCT
istl-49	9	24	since	since	SCONJ
istl-49	9	25	current	current	ADJ
istl-49	9	26	united	united	PROPN
istl-49	9	27	states	states	PROPN
istl-49	9	28	(	(	PUNCT
istl-49	9	29	u.s	u.s	PROPN
istl-49	9	30	.	.	PROPN
istl-49	9	31	)	)	PUNCT
istl-49	10	1	copyright	copyright	NOUN
istl-49	10	2	law	law	NOUN
istl-49	10	3	allows	allow	VERB
istl-49	10	4	materials	material	NOUN
istl-49	10	5	to	to	PART
istl-49	10	6	remain	remain	VERB
istl-49	10	7	in	in	ADP
istl-49	10	8	copyright	copyright	NOUN
istl-49	10	9	for	for	ADP
istl-49	10	10	95	95	NUM
istl-49	10	11	years	year	NOUN
istl-49	10	12	.	.	PUNCT
istl-49	10	13	)	)	PUNCT
istl-49	11	1	efforts	effort	NOUN
istl-49	11	2	to	to	PART
istl-49	11	3	review	review	VERB
istl-49	11	4	the	the	DET
istl-49	11	5	copyright	copyright	NOUN
istl-49	11	6	status	status	NOUN
istl-49	11	7	of	of	ADP
istl-49	11	8	some	some	PRON
istl-49	11	9	of	of	ADP
istl-49	11	10	these	these	DET
istl-49	11	11	works	work	NOUN
istl-49	11	12	have	have	AUX
istl-49	11	13	proven	prove	VERB
istl-49	11	14	valuable	valuable	ADJ
istl-49	11	15	,	,	PUNCT
istl-49	11	16	however	however	ADV
istl-49	11	17	,	,	PUNCT
istl-49	11	18	as	as	SCONJ
istl-49	11	19	research	research	NOUN
istl-49	11	20	by	by	ADP
istl-49	11	21	wilkin	wilkin	NOUN
istl-49	11	22	(	(	PUNCT
istl-49	11	23	2017	2017	NUM
istl-49	11	24	)	)	PUNCT
istl-49	11	25	indicates	indicate	VERB
istl-49	11	26	that	that	SCONJ
istl-49	11	27	over	over	ADP
istl-49	11	28	50	50	NUM
istl-49	11	29	%	%	NOUN
istl-49	11	30	of	of	ADP
istl-49	11	31	materials	material	NOUN
istl-49	11	32	published	publish	VERB
istl-49	11	33	in	in	ADP
istl-49	11	34	the	the	DET
istl-49	11	35	united	united	PROPN
istl-49	11	36	states	states	PROPN
istl-49	11	37	between	between	ADP
istl-49	11	38	1923	1923	NUM
istl-49	11	39	and	and	CCONJ
istl-49	11	40	1963	1963	NUM
istl-49	11	41	are	be	AUX
istl-49	11	42	now	now	ADV
istl-49	11	43	in	in	ADP
istl-49	11	44	the	the	DET
istl-49	11	45	public	public	ADJ
istl-49	11	46	domain	domain	NOUN
istl-49	11	47	,	,	PUNCT
istl-49	11	48	meaning	mean	VERB
istl-49	11	49	that	that	SCONJ
istl-49	11	50	hundreds	hundred	NOUN
istl-49	11	51	of	of	ADP
istl-49	11	52	thousands	thousand	NOUN
istl-49	11	53	of	of	ADP
istl-49	11	54	works	work	NOUN
istl-49	11	55	published	publish	VERB
istl-49	11	56	during	during	ADP
istl-49	11	57	those	those	DET
istl-49	11	58	years	year	NOUN
istl-49	11	59	can	can	AUX
istl-49	11	60	be	be	AUX
istl-49	11	61	made	make	VERB
istl-49	11	62	freely	freely	ADV
istl-49	11	63	available	available	ADJ
istl-49	11	64	.	.	PUNCT
istl-49	12	1	while	while	SCONJ
istl-49	12	2	this	this	PRON
istl-49	12	3	is	be	AUX
istl-49	12	4	good	good	ADJ
istl-49	12	5	news	news	NOUN
istl-49	12	6	,	,	PUNCT
istl-49	12	7	most	most	ADV
istl-49	12	8	large	large	ADJ
istl-49	12	9	-	-	PUNCT
istl-49	12	10	scale	scale	NOUN
istl-49	12	11	digitization	digitization	NOUN
istl-49	12	12	projects	project	NOUN
istl-49	12	13	have	have	AUX
istl-49	12	14	focused	focus	VERB
istl-49	12	15	on	on	ADP
istl-49	12	16	books	book	NOUN
istl-49	12	17	and	and	CCONJ
istl-49	12	18	journals	journal	NOUN
istl-49	12	19	,	,	PUNCT
istl-49	12	20	bypassing	bypass	VERB
istl-49	12	21	other	other	ADJ
istl-49	12	22	formats	format	NOUN
istl-49	12	23	such	such	ADJ
istl-49	12	24	as	as	ADP
istl-49	12	25	maps	map	NOUN
istl-49	12	26	.	.	PUNCT
istl-49	13	1	many	many	ADJ
istl-49	13	2	libraries	library	NOUN
istl-49	13	3	have	have	AUX
istl-49	13	4	digitized	digitize	VERB
istl-49	13	5	maps	map	NOUN
istl-49	13	6	but	but	CCONJ
istl-49	13	7	large	large	ADJ
istl-49	13	8	-	-	PUNCT
istl-49	13	9	scale	scale	NOUN
istl-49	13	10	projects	project	NOUN
istl-49	13	11	are	be	AUX
istl-49	13	12	fewer	few	ADJ
istl-49	13	13	in	in	ADP
istl-49	13	14	number	number	NOUN
istl-49	13	15	,	,	PUNCT
istl-49	13	16	and	and	CCONJ
istl-49	13	17	the	the	DET
istl-49	13	18	focus	focus	NOUN
istl-49	13	19	of	of	ADP
istl-49	13	20	libraries	library	NOUN
istl-49	13	21	has	have	AUX
istl-49	13	22	been	be	AUX
istl-49	13	23	on	on	ADP
istl-49	13	24	works	work	NOUN
istl-49	13	25	already	already	ADV
istl-49	13	26	out	out	ADP
istl-49	13	27	of	of	ADP
istl-49	13	28	copyright	copyright	NOUN
istl-49	13	29	,	,	PUNCT
istl-49	13	30	i.e.	i.e.	X
istl-49	13	31	,	,	PUNCT
istl-49	13	32	pre-1923	pre-1923	NOUN
istl-49	13	33	works	work	VERB
istl-49	13	34	or	or	CCONJ
istl-49	13	35	works	work	VERB
istl-49	13	36	already	already	ADV
istl-49	13	37	in	in	ADP
istl-49	13	38	the	the	DET
istl-49	13	39	public	public	ADJ
istl-49	13	40	domain	domain	NOUN
istl-49	13	41	,	,	PUNCT
istl-49	13	42	such	such	ADJ
istl-49	13	43	as	as	ADP
istl-49	13	44	those	those	PRON
istl-49	13	45	published	publish	VERB
istl-49	13	46	by	by	ADP
istl-49	13	47	the	the	DET
istl-49	13	48	u.s	u.s	PROPN
istl-49	13	49	.	.	PROPN
istl-49	13	50	government	government	NOUN
istl-49	13	51	.	.	PUNCT
istl-49	14	1	examples	example	NOUN
istl-49	14	2	of	of	ADP
istl-49	14	3	large	large	ADJ
istl-49	14	4	collections	collection	NOUN
istl-49	14	5	that	that	PRON
istl-49	14	6	focus	focus	VERB
istl-49	14	7	on	on	ADP
istl-49	14	8	works	work	NOUN
istl-49	14	9	out	out	ADP
istl-49	14	10	of	of	ADP
istl-49	14	11	copyright	copyright	NOUN
istl-49	14	12	include	include	VERB
istl-49	14	13	the	the	DET
istl-49	14	14	david	david	PROPN
istl-49	14	15	rumsey	rumsey	PROPN
istl-49	14	16	map	map	PROPN
istl-49	14	17	collection	collection	NOUN
istl-49	14	18	,	,	PUNCT
istl-49	14	19	old	old	ADJ
istl-49	14	20	maps	map	NOUN
istl-49	14	21	online	online	ADV
istl-49	14	22	and	and	CCONJ
istl-49	14	23	the	the	DET
istl-49	14	24	library	library	NOUN
istl-49	14	25	of	of	ADP
istl-49	14	26	congress	congress	PROPN
istl-49	14	27	.	.	PUNCT
istl-49	15	1	fire	fire	NOUN
istl-49	15	2	insurance	insurance	NOUN
istl-49	15	3	maps	map	NOUN
istl-49	15	4	,	,	PUNCT
istl-49	15	5	particularly	particularly	ADV
istl-49	15	6	those	those	PRON
istl-49	15	7	by	by	ADP
istl-49	15	8	the	the	DET
istl-49	15	9	sanborn	sanborn	ADJ
istl-49	15	10	map	map	NOUN
istl-49	15	11	company	company	NOUN
istl-49	15	12	,	,	PUNCT
istl-49	15	13	have	have	AUX
istl-49	15	14	been	be	AUX
istl-49	15	15	the	the	DET
istl-49	15	16	focus	focus	NOUN
istl-49	15	17	of	of	ADP
istl-49	15	18	much	much	ADJ
istl-49	15	19	attention	attention	NOUN
istl-49	15	20	for	for	ADP
istl-49	15	21	digitization	digitization	NOUN
istl-49	15	22	.	.	PUNCT
istl-49	16	1	in	in	ADP
istl-49	16	2	2002	2002	NUM
istl-49	16	3	,	,	PUNCT
istl-49	16	4	the	the	DET
istl-49	16	5	university	university	PROPN
istl-49	16	6	of	of	ADP
istl-49	16	7	utah	utah	PROPN
istl-49	16	8	documented	document	VERB
istl-49	16	9	their	their	PRON
istl-49	16	10	efforts	effort	NOUN
istl-49	16	11	to	to	PART
istl-49	16	12	digitize	digitize	VERB
istl-49	16	13	sanborn	sanborn	ADJ
istl-49	16	14	maps	map	NOUN
istl-49	16	15	(	(	PUNCT
istl-49	16	16	arlitsch	arlitsch	PROPN
istl-49	16	17	2002	2002	NUM
istl-49	16	18	)	)	PUNCT
istl-49	16	19	,	,	PUNCT
istl-49	16	20	and	and	CCONJ
istl-49	16	21	today	today	NOUN
istl-49	16	22	scans	scan	NOUN
istl-49	16	23	of	of	ADP
istl-49	16	24	fire	fire	NOUN
istl-49	16	25	insurance	insurance	NOUN
istl-49	16	26	maps	map	NOUN
istl-49	16	27	published	publish	VERB
istl-49	16	28	before	before	ADP
istl-49	16	29	1923	1923	NUM
istl-49	16	30	are	be	AUX
istl-49	16	31	freely	freely	ADV
istl-49	16	32	available	available	ADJ
istl-49	16	33	for	for	ADP
istl-49	16	34	locations	location	NOUN
istl-49	16	35	across	across	ADP
istl-49	16	36	the	the	DET
istl-49	16	37	united	united	PROPN
istl-49	16	38	states	states	PROPN
istl-49	16	39	.	.	PUNCT
istl-49	17	1	this	this	DET
istl-49	17	2	study	study	NOUN
istl-49	17	3	attempted	attempt	VERB
istl-49	17	4	to	to	PART
istl-49	17	5	determine	determine	VERB
istl-49	17	6	whether	whether	SCONJ
istl-49	17	7	the	the	DET
istl-49	17	8	copyright	copyright	NOUN
istl-49	17	9	renewal	renewal	NOUN
istl-49	17	10	rate	rate	NOUN
istl-49	17	11	for	for	ADP
istl-49	17	12	maps	map	NOUN
istl-49	17	13	mirrored	mirror	VERB
istl-49	17	14	that	that	PRON
istl-49	17	15	found	find	VERB
istl-49	17	16	by	by	ADP
istl-49	17	17	wilkin	wilkin	NOUN
istl-49	17	18	for	for	ADP
istl-49	17	19	books	book	NOUN
istl-49	17	20	.	.	PUNCT
istl-49	18	1	if	if	SCONJ
istl-49	18	2	the	the	DET
istl-49	18	3	pattern	pattern	NOUN
istl-49	18	4	for	for	ADP
istl-49	18	5	maps	map	NOUN
istl-49	18	6	is	be	AUX
istl-49	18	7	similar	similar	ADJ
istl-49	18	8	,	,	PUNCT
istl-49	18	9	then	then	ADV
istl-49	18	10	tens	ten	NOUN
istl-49	18	11	of	of	ADP
istl-49	18	12	thousands	thousand	NOUN
istl-49	18	13	of	of	ADP
istl-49	18	14	maps	map	NOUN
istl-49	18	15	are	be	AUX
istl-49	18	16	eligible	eligible	ADJ
istl-49	18	17	to	to	PART
istl-49	18	18	be	be	AUX
istl-49	18	19	digitized	digitize	VERB
istl-49	18	20	and	and	CCONJ
istl-49	18	21	made	make	VERB
istl-49	18	22	freely	freely	ADV
istl-49	18	23	available	available	ADJ
istl-49	18	24	.	.	PUNCT
istl-49	19	1	this	this	PRON
istl-49	19	2	is	be	AUX
istl-49	19	3	particularly	particularly	ADV
istl-49	19	4	important	important	ADJ
istl-49	19	5	,	,	PUNCT
istl-49	19	6	as	as	SCONJ
istl-49	19	7	we	we	PRON
istl-49	19	8	are	be	AUX
istl-49	19	9	in	in	ADP
istl-49	19	10	an	an	DET
istl-49	19	11	era	era	NOUN
istl-49	19	12	where	where	SCONJ
istl-49	19	13	libraries	library	NOUN
istl-49	19	14	are	be	AUX
istl-49	19	15	downsizing	downsize	VERB
istl-49	19	16	print	print	NOUN
istl-49	19	17	collections	collection	NOUN
istl-49	19	18	to	to	PART
istl-49	19	19	make	make	VERB
istl-49	19	20	space	space	NOUN
istl-49	19	21	for	for	ADP
istl-49	19	22	other	other	ADJ
istl-49	19	23	services	service	NOUN
istl-49	19	24	.	.	PUNCT
istl-49	20	1	maps	map	NOUN
istl-49	20	2	pose	pose	VERB
istl-49	20	3	storage	storage	NOUN
istl-49	20	4	challenges	challenge	NOUN
istl-49	20	5	and	and	CCONJ
istl-49	20	6	are	be	AUX
istl-49	20	7	often	often	ADV
istl-49	20	8	the	the	DET
istl-49	20	9	target	target	NOUN
istl-49	20	10	of	of	ADP
istl-49	20	11	downsizing	downsizing	NOUN
istl-49	20	12	and	and	CCONJ
istl-49	20	13	withdrawal	withdrawal	NOUN
istl-49	20	14	.	.	PUNCT
istl-49	21	1	where	where	SCONJ
istl-49	21	2	a	a	DET
istl-49	21	3	print	print	NOUN
istl-49	21	4	book	book	NOUN
istl-49	21	5	can	can	AUX
istl-49	21	6	be	be	AUX
istl-49	21	7	discarded	discard	VERB
istl-49	21	8	with	with	ADP
istl-49	21	9	the	the	DET
istl-49	21	10	knowledge	knowledge	NOUN
istl-49	21	11	that	that	SCONJ
istl-49	21	12	a	a	DET
istl-49	21	13	digital	digital	ADJ
istl-49	21	14	facsimile	facsimile	ADJ
istl-49	21	15	exists	exist	NOUN
istl-49	21	16	,	,	PUNCT
istl-49	21	17	the	the	DET
istl-49	21	18	same	same	ADJ
istl-49	21	19	frequently	frequently	ADV
istl-49	21	20	can	can	AUX
istl-49	21	21	not	not	PART
istl-49	21	22	be	be	AUX
istl-49	21	23	said	say	VERB
istl-49	21	24	for	for	ADP
istl-49	21	25	maps	map	NOUN
istl-49	21	26	.	.	PUNCT
istl-49	22	1	large	large	ADJ
istl-49	22	2	-	-	PUNCT
istl-49	22	3	scale	scale	NOUN
istl-49	22	4	digitization	digitization	NOUN
istl-49	22	5	of	of	ADP
istl-49	22	6	copyrighted	copyright	VERB
istl-49	22	7	maps	map	NOUN
istl-49	22	8	published	publish	VERB
istl-49	22	9	after	after	ADP
istl-49	22	10	1922	1922	NUM
istl-49	22	11	are	be	AUX
istl-49	22	12	uncommon	uncommon	ADJ
istl-49	22	13	and	and	CCONJ
istl-49	22	14	have	have	AUX
istl-49	22	15	been	be	AUX
istl-49	22	16	undertaken	undertake	VERB
istl-49	22	17	by	by	ADP
istl-49	22	18	just	just	ADV
istl-49	22	19	a	a	DET
istl-49	22	20	handful	handful	NOUN
istl-49	22	21	of	of	ADP
istl-49	22	22	publishers	publisher	NOUN
istl-49	22	23	,	,	PUNCT
istl-49	22	24	such	such	ADJ
istl-49	22	25	as	as	ADP
istl-49	22	26	national	national	ADJ
istl-49	22	27	geographic	geographic	PROPN
istl-49	22	28	and	and	CCONJ
istl-49	22	29	the	the	DET
istl-49	22	30	sanborn	sanborn	ADJ
istl-49	22	31	map	map	NOUN
istl-49	22	32	company	company	NOUN
istl-49	22	33	(	(	PUNCT
istl-49	22	34	by	by	ADP
istl-49	22	35	proquest	proqu	ADJ
istl-49	22	36	)	)	PUNCT
istl-49	22	37	.	.	PUNCT
istl-49	23	1	extensive	extensive	ADJ
istl-49	23	2	collections	collection	NOUN
istl-49	23	3	of	of	ADP
istl-49	23	4	digitized	digitize	VERB
istl-49	23	5	works	work	NOUN
istl-49	23	6	have	have	AUX
istl-49	23	7	prompted	prompt	VERB
istl-49	23	8	increased	increase	VERB
istl-49	23	9	interest	interest	NOUN
istl-49	23	10	in	in	ADP
istl-49	23	11	checking	check	VERB
istl-49	23	12	on	on	ADP
istl-49	23	13	the	the	DET
istl-49	23	14	copyright	copyright	NOUN
istl-49	23	15	status	status	NOUN
istl-49	23	16	of	of	ADP
istl-49	23	17	works	work	NOUN
istl-49	23	18	.	.	PUNCT
istl-49	24	1	the	the	DET
istl-49	24	2	mechanics	mechanic	NOUN
istl-49	24	3	and	and	CCONJ
istl-49	24	4	rules	rule	NOUN
istl-49	24	5	governing	govern	VERB
istl-49	24	6	copyright	copyright	NOUN
istl-49	24	7	renewal	renewal	NOUN
istl-49	24	8	research	research	NOUN
istl-49	24	9	have	have	AUX
istl-49	24	10	not	not	PART
istl-49	24	11	changed	change	VERB
istl-49	24	12	in	in	ADP
istl-49	24	13	decades	decade	NOUN
istl-49	24	14	,	,	PUNCT
istl-49	24	15	although	although	SCONJ
istl-49	24	16	the	the	DET
istl-49	24	17	tools	tool	NOUN
istl-49	24	18	required	require	VERB
istl-49	24	19	to	to	PART
istl-49	24	20	perform	perform	VERB
istl-49	24	21	a	a	DET
istl-49	24	22	review	review	NOUN
istl-49	24	23	have	have	AUX
istl-49	24	24	become	become	VERB
istl-49	24	25	more	more	ADV
istl-49	24	26	accessible	accessible	ADJ
istl-49	24	27	in	in	ADP
istl-49	24	28	recent	recent	ADJ
istl-49	24	29	years	year	NOUN
istl-49	24	30	.	.	PUNCT
istl-49	25	1	with	with	ADP
istl-49	25	2	the	the	DET
istl-49	25	3	scanning	scanning	NOUN
istl-49	25	4	and	and	CCONJ
istl-49	25	5	full	full	ADJ
istl-49	25	6	text	text	NOUN
istl-49	25	7	ocring	ocre	VERB
istl-49	25	8	of	of	ADP
istl-49	25	9	the	the	DET
istl-49	25	10	catalog	catalog	NOUN
istl-49	25	11	of	of	ADP
istl-49	25	12	copyright	copyright	NOUN
istl-49	25	13	entries	entry	NOUN
istl-49	25	14	(	(	PUNCT
istl-49	25	15	u.s	u.s	PROPN
istl-49	25	16	.	.	PROPN
istl-49	25	17	copyright	copyright	PROPN
istl-49	25	18	office	office	NOUN
istl-49	25	19	1906-	1906-	SPACE
istl-49	25	20	)	)	PUNCT
istl-49	25	21	,	,	PUNCT
istl-49	25	22	creation	creation	NOUN
istl-49	25	23	of	of	ADP
istl-49	25	24	new	new	ADJ
istl-49	25	25	tools	tool	NOUN
istl-49	25	26	such	such	ADJ
istl-49	25	27	as	as	ADP
istl-49	25	28	stanford	stanford	PROPN
istl-49	25	29	university	university	PROPN
istl-49	25	30	's	's	PART
istl-49	25	31	copyright	copyright	NOUN
istl-49	25	32	renewal	renewal	NOUN
istl-49	25	33	database	database	NOUN
istl-49	25	34	(	(	PUNCT
istl-49	25	35	stanford	stanford	PROPN
istl-49	25	36	university	university	PROPN
istl-49	25	37	2019	2019	NUM
istl-49	25	38	)	)	PUNCT
istl-49	25	39	,	,	PUNCT
istl-49	25	40	and	and	CCONJ
istl-49	25	41	initiatives	initiative	NOUN
istl-49	25	42	on	on	ADP
istl-49	25	43	the	the	DET
istl-49	25	44	part	part	NOUN
istl-49	25	45	of	of	ADP
istl-49	25	46	the	the	DET
istl-49	25	47	u.s	u.s	PROPN
istl-49	25	48	.	.	PROPN
istl-49	25	49	copyright	copyright	PROPN
istl-49	25	50	office	office	NOUN
istl-49	25	51	to	to	PART
istl-49	25	52	move	move	VERB
istl-49	25	53	copyright	copyright	NOUN
istl-49	25	54	data	datum	NOUN
istl-49	25	55	online	online	ADV
istl-49	25	56	,	,	PUNCT
istl-49	25	57	the	the	DET
istl-49	25	58	process	process	NOUN
istl-49	25	59	of	of	ADP
istl-49	25	60	checking	check	VERB
istl-49	25	61	for	for	ADP
istl-49	25	62	copyright	copyright	NOUN
istl-49	25	63	renewal	renewal	NOUN
istl-49	25	64	has	have	AUX
istl-49	25	65	become	become	VERB
istl-49	25	66	much	much	ADV
istl-49	25	67	easier	easy	ADJ
istl-49	25	68	.	.	PUNCT
istl-49	26	1	the	the	DET
istl-49	26	2	hathitrust	hathitrust	NOUN
istl-49	26	3	digital	digital	ADJ
istl-49	26	4	library	library	NOUN
istl-49	26	5	is	be	AUX
istl-49	26	6	a	a	DET
istl-49	26	7	collaborative	collaborative	ADJ
istl-49	26	8	repository	repository	NOUN
istl-49	26	9	for	for	ADP
istl-49	26	10	digitized	digitized	ADJ
istl-49	26	11	content	content	NOUN
istl-49	26	12	from	from	ADP
istl-49	26	13	multiple	multiple	ADJ
istl-49	26	14	library	library	NOUN
istl-49	26	15	collections	collection	NOUN
istl-49	26	16	.	.	PUNCT
istl-49	27	1	it	it	PRON
istl-49	27	2	holds	hold	VERB
istl-49	27	3	over	over	ADP
istl-49	27	4	16	16	NUM
istl-49	27	5	million	million	NUM
istl-49	27	6	full	full	ADJ
istl-49	27	7	-	-	PUNCT
istl-49	27	8	text	text	NOUN
istl-49	27	9	indexed	index	VERB
istl-49	27	10	(	(	PUNCT
istl-49	27	11	via	via	ADP
istl-49	27	12	ocr	ocr	ADJ
istl-49	27	13	)	)	PUNCT
istl-49	27	14	and	and	CCONJ
istl-49	27	15	digitized	digitize	VERB
istl-49	27	16	volumes	volume	NOUN
istl-49	27	17	comprising	comprise	VERB
istl-49	27	18	over	over	ADP
istl-49	27	19	eight	eight	NUM
istl-49	27	20	million	million	NUM
istl-49	27	21	titles	title	NOUN
istl-49	27	22	.	.	PUNCT
istl-49	28	1	in	in	ADP
istl-49	28	2	2008	2008	NUM
istl-49	28	3	,	,	PUNCT
istl-49	28	4	the	the	DET
istl-49	28	5	hathitrust	hathitrust	NOUN
istl-49	28	6	’s	’s	PART
istl-49	28	7	copyright	copyright	NOUN
istl-49	28	8	review	review	NOUN
istl-49	28	9	management	management	NOUN
istl-49	28	10	system	system	NOUN
istl-49	28	11	(	(	PUNCT
istl-49	28	12	crms	crm	NOUN
istl-49	28	13	)	)	PUNCT
istl-49	28	14	team	team	NOUN
istl-49	28	15	developed	develop	VERB
istl-49	28	16	a	a	DET
istl-49	28	17	standardized	standardized	ADJ
istl-49	28	18	process	process	NOUN
istl-49	28	19	for	for	ADP
istl-49	28	20	copyright	copyright	NOUN
istl-49	28	21	review	review	NOUN
istl-49	28	22	and	and	CCONJ
istl-49	28	23	began	begin	VERB
istl-49	28	24	reviewing	review	VERB
istl-49	28	25	volumes	volume	NOUN
istl-49	28	26	in	in	ADP
istl-49	28	27	the	the	DET
istl-49	28	28	hathitrust	hathitrust	NOUN
istl-49	28	29	corpus	corpus	NOUN
istl-49	28	30	(	(	PUNCT
istl-49	28	31	hathitrust	hathitrust	NOUN
istl-49	28	32	2018	2018	NUM
istl-49	28	33	)	)	PUNCT
istl-49	28	34	.	.	PUNCT
istl-49	29	1	since	since	SCONJ
istl-49	29	2	2008	2008	NUM
istl-49	29	3	,	,	PUNCT
istl-49	29	4	over	over	ADP
istl-49	29	5	600,000	600,000	NUM
istl-49	29	6	volumes	volume	NOUN
istl-49	29	7	in	in	ADP
istl-49	29	8	the	the	DET
istl-49	29	9	hathitrust	hathitrust	NOUN
istl-49	29	10	collection	collection	NOUN
istl-49	29	11	published	publish	VERB
istl-49	29	12	from	from	ADP
istl-49	29	13	1922	1922	NUM
istl-49	29	14	to	to	ADP
istl-49	29	15	1963	1963	NUM
istl-49	29	16	have	have	AUX
istl-49	29	17	been	be	AUX
istl-49	29	18	reviewed	review	VERB
istl-49	29	19	,	,	PUNCT
istl-49	29	20	with	with	ADP
istl-49	29	21	over	over	ADP
istl-49	29	22	50	50	NUM
istl-49	29	23	%	%	NOUN
istl-49	29	24	found	find	VERB
istl-49	29	25	to	to	PART
istl-49	29	26	be	be	AUX
istl-49	29	27	in	in	ADP
istl-49	29	28	the	the	DET
istl-49	29	29	public	public	ADJ
istl-49	29	30	domain	domain	NOUN
istl-49	29	31	(	(	PUNCT
istl-49	29	32	hathitrust	hathitrust	NOUN
istl-49	29	33	2018	2018	NUM
istl-49	29	34	)	)	PUNCT
istl-49	29	35	.	.	PUNCT
istl-49	30	1	the	the	DET
istl-49	30	2	data	datum	NOUN
istl-49	30	3	gleaned	glean	VERB
istl-49	30	4	from	from	ADP
istl-49	30	5	this	this	DET
istl-49	30	6	project	project	NOUN
istl-49	30	7	has	have	AUX
istl-49	30	8	been	be	AUX
istl-49	30	9	fodder	fodder	NOUN
istl-49	30	10	for	for	ADP
istl-49	30	11	several	several	ADJ
istl-49	30	12	studies	study	NOUN
istl-49	30	13	,	,	PUNCT
istl-49	30	14	including	include	VERB
istl-49	30	15	a	a	DET
istl-49	30	16	study	study	NOUN
istl-49	30	17	by	by	ADP
istl-49	30	18	wilkin	wilkin	NOUN
istl-49	30	19	(	(	PUNCT
istl-49	30	20	2017	2017	NUM
istl-49	30	21	)	)	PUNCT
istl-49	30	22	on	on	ADP
istl-49	30	23	renewal	renewal	NOUN
istl-49	30	24	rates	rate	NOUN
istl-49	30	25	for	for	ADP
istl-49	30	26	books	book	NOUN
istl-49	30	27	that	that	PRON
istl-49	30	28	inspired	inspire	VERB
istl-49	30	29	the	the	DET
istl-49	30	30	current	current	ADJ
istl-49	30	31	study	study	NOUN
istl-49	30	32	.	.	PUNCT
istl-49	31	1	a	a	DET
istl-49	31	2	2014	2014	NUM
istl-49	31	3	study	study	NOUN
istl-49	31	4	examined	examine	VERB
istl-49	31	5	copyright	copyright	NOUN
istl-49	31	6	renewals	renewal	NOUN
istl-49	31	7	of	of	ADP
istl-49	31	8	sanborn	sanborn	ADJ
istl-49	31	9	fire	fire	NOUN
istl-49	31	10	insurance	insurance	NOUN
istl-49	31	11	maps	map	NOUN
istl-49	31	12	in	in	ADP
istl-49	31	13	the	the	DET
istl-49	31	14	penn	penn	PROPN
istl-49	31	15	state	state	PROPN
istl-49	31	16	university	university	PROPN
istl-49	31	17	libraries	librarie	VERB
istl-49	31	18	collection	collection	NOUN
istl-49	31	19	,	,	PUNCT
istl-49	31	20	finding	find	VERB
istl-49	31	21	that	that	SCONJ
istl-49	31	22	52	52	NUM
istl-49	31	23	%	%	NOUN
istl-49	31	24	were	be	AUX
istl-49	31	25	in	in	ADP
istl-49	31	26	the	the	DET
istl-49	31	27	public	public	ADJ
istl-49	31	28	domain	domain	NOUN
istl-49	31	29	and	and	CCONJ
istl-49	31	30	48	48	NUM
istl-49	31	31	%	%	NOUN
istl-49	31	32	had	have	AUX
istl-49	31	33	copyright	copyright	NOUN
istl-49	31	34	renewed	renew	VERB
istl-49	31	35	(	(	PUNCT
istl-49	31	36	musser	musser	PROPN
istl-49	31	37	2014	2014	NUM
istl-49	31	38	)	)	PUNCT
istl-49	31	39	.	.	PUNCT
istl-49	32	1	this	this	PRON
istl-49	32	2	partially	partially	ADV
istl-49	32	3	paralleled	parallel	VERB
istl-49	32	4	the	the	DET
istl-49	32	5	results	result	NOUN
istl-49	32	6	of	of	ADP
istl-49	32	7	wilkin	wilkin	NOUN
istl-49	32	8	,	,	PUNCT
istl-49	32	9	who	who	PRON
istl-49	32	10	reported	report	VERB
istl-49	32	11	that	that	SCONJ
istl-49	32	12	53	53	NUM
istl-49	32	13	%	%	NOUN
istl-49	32	14	of	of	ADP
istl-49	32	15	works	work	NOUN
istl-49	32	16	examined	examine	VERB
istl-49	32	17	were	be	AUX
istl-49	32	18	in	in	ADP
istl-49	32	19	the	the	DET
istl-49	32	20	public	public	ADJ
istl-49	32	21	domain	domain	NOUN
istl-49	32	22	.	.	PUNCT
istl-49	33	1	wilkin	wilkin	PROPN
istl-49	33	2	’s	’s	PROPN
istl-49	33	3	study	study	NOUN
istl-49	33	4	utilized	utilize	VERB
istl-49	33	5	data	datum	NOUN
istl-49	33	6	from	from	ADP
istl-49	33	7	the	the	DET
istl-49	33	8	crms	crm	NOUN
istl-49	33	9	to	to	PART
istl-49	33	10	calculate	calculate	VERB
istl-49	33	11	a	a	DET
istl-49	33	12	copyright	copyright	NOUN
istl-49	33	13	renewal	renewal	NOUN
istl-49	33	14	rate	rate	NOUN
istl-49	33	15	of	of	ADP
istl-49	33	16	16	16	NUM
istl-49	33	17	%	%	NOUN
istl-49	33	18	for	for	ADP
istl-49	33	19	monographs	monograph	NOUN
istl-49	33	20	published	publish	VERB
istl-49	33	21	from	from	ADP
istl-49	33	22	1923	1923	NUM
istl-49	33	23	to	to	ADP
istl-49	33	24	1963	1963	NUM
istl-49	33	25	,	,	PUNCT
istl-49	33	26	which	which	PRON
istl-49	33	27	is	be	AUX
istl-49	33	28	much	much	ADV
istl-49	33	29	less	less	ADJ
istl-49	33	30	than	than	SCONJ
istl-49	33	31	that	that	PRON
istl-49	33	32	reported	report	VERB
istl-49	33	33	in	in	ADP
istl-49	33	34	the	the	DET
istl-49	33	35	study	study	NOUN
istl-49	33	36	by	by	ADP
istl-49	33	37	musser	musser	PROPN
istl-49	33	38	.	.	PUNCT
istl-49	34	1	the	the	DET
istl-49	34	2	current	current	ADJ
istl-49	34	3	study	study	NOUN
istl-49	34	4	was	be	AUX
istl-49	34	5	undertaken	undertake	VERB
istl-49	34	6	to	to	ADP
istl-49	34	7	more	more	ADV
istl-49	34	8	closely	closely	ADV
istl-49	34	9	examine	examine	VERB
istl-49	34	10	the	the	DET
istl-49	34	11	copyright	copyright	NOUN
istl-49	34	12	renewal	renewal	NOUN
istl-49	34	13	rate	rate	NOUN
istl-49	34	14	for	for	ADP
istl-49	34	15	maps	map	NOUN
istl-49	34	16	to	to	PART
istl-49	34	17	determine	determine	VERB
istl-49	34	18	how	how	SCONJ
istl-49	34	19	the	the	DET
istl-49	34	20	renewal	renewal	NOUN
istl-49	34	21	rate	rate	NOUN
istl-49	34	22	compared	compare	VERB
istl-49	34	23	to	to	ADP
istl-49	34	24	that	that	PRON
istl-49	34	25	of	of	ADP
istl-49	34	26	monographs	monograph	NOUN
istl-49	34	27	.	.	PUNCT
istl-49	35	1	for	for	ADP
istl-49	35	2	maps	map	NOUN
istl-49	35	3	published	publish	VERB
istl-49	35	4	from	from	ADP
istl-49	35	5	1951	1951	NUM
istl-49	35	6	to	to	ADP
istl-49	35	7	1963	1963	NUM
istl-49	35	8	,	,	PUNCT
istl-49	35	9	the	the	DET
istl-49	35	10	u.s	u.s	PROPN
istl-49	35	11	.	.	PROPN
istl-49	35	12	copyright	copyright	PROPN
istl-49	35	13	office	office	NOUN
istl-49	35	14	did	do	AUX
istl-49	35	15	not	not	PART
istl-49	35	16	report	report	VERB
istl-49	35	17	renewal	renewal	NOUN
istl-49	35	18	data	datum	NOUN
istl-49	35	19	by	by	ADP
istl-49	35	20	format	format	NOUN
istl-49	35	21	.	.	PUNCT
istl-49	36	1	therefore	therefore	ADV
istl-49	36	2	,	,	PUNCT
istl-49	36	3	the	the	DET
istl-49	36	4	period	period	NOUN
istl-49	36	5	studied	study	VERB
istl-49	36	6	was	be	AUX
istl-49	36	7	from	from	ADP
istl-49	36	8	1923	1923	NUM
istl-49	36	9	to	to	ADP
istl-49	36	10	1950	1950	NUM
istl-49	36	11	,	,	PUNCT
istl-49	36	12	thirteen	thirteen	NUM
istl-49	36	13	years	year	NOUN
istl-49	36	14	shorter	short	ADJ
istl-49	36	15	than	than	ADP
istl-49	36	16	in	in	ADP
istl-49	36	17	the	the	DET
istl-49	36	18	wilkin	wilkin	ADJ
istl-49	36	19	study	study	NOUN
istl-49	36	20	.	.	PUNCT
istl-49	37	1	methods	method	NOUN
istl-49	37	2	since	since	SCONJ
istl-49	37	3	maps	map	NOUN
istl-49	37	4	are	be	AUX
istl-49	37	5	not	not	PART
istl-49	37	6	typically	typically	ADV
istl-49	37	7	included	include	VERB
istl-49	37	8	in	in	ADP
istl-49	37	9	the	the	DET
istl-49	37	10	hathitrust	hathitrust	NOUN
istl-49	37	11	corpus	corpus	NOUN
istl-49	37	12	,	,	PUNCT
istl-49	37	13	except	except	SCONJ
istl-49	37	14	as	as	SCONJ
istl-49	37	15	parts	part	NOUN
istl-49	37	16	of	of	ADP
istl-49	37	17	books	book	NOUN
istl-49	37	18	,	,	PUNCT
istl-49	37	19	an	an	DET
istl-49	37	20	alternate	alternate	ADJ
istl-49	37	21	method	method	NOUN
istl-49	37	22	for	for	ADP
istl-49	37	23	evaluating	evaluate	VERB
istl-49	37	24	copyright	copyright	NOUN
istl-49	37	25	renewal	renewal	NOUN
istl-49	37	26	was	be	AUX
istl-49	37	27	required	require	VERB
istl-49	37	28	.	.	PUNCT
istl-49	38	1	volumes	volume	NOUN
istl-49	38	2	of	of	ADP
istl-49	38	3	the	the	DET
istl-49	38	4	catalog	catalog	NOUN
istl-49	38	5	of	of	ADP
istl-49	38	6	copyright	copyright	NOUN
istl-49	38	7	entries	entry	NOUN
istl-49	38	8	were	be	AUX
istl-49	38	9	examined	examine	VERB
istl-49	38	10	to	to	PART
istl-49	38	11	identify	identify	VERB
istl-49	38	12	copyright	copyright	NOUN
istl-49	38	13	ownership	ownership	NOUN
istl-49	38	14	information	information	NOUN
istl-49	38	15	.	.	PUNCT
istl-49	39	1	from	from	ADP
istl-49	39	2	the	the	DET
istl-49	39	3	annual	annual	ADJ
istl-49	39	4	reports	report	NOUN
istl-49	39	5	of	of	ADP
istl-49	39	6	the	the	DET
istl-49	39	7	u.s	u.s	PROPN
istl-49	39	8	.	.	PROPN
istl-49	39	9	copyright	copyright	PROPN
istl-49	39	10	office	office	PROPN
istl-49	39	11	(	(	PUNCT
istl-49	39	12	2019	2019	NUM
istl-49	39	13	)	)	PUNCT
istl-49	39	14	,	,	PUNCT
istl-49	39	15	data	datum	NOUN
istl-49	39	16	were	be	AUX
istl-49	39	17	collected	collect	VERB
istl-49	39	18	on	on	ADP
istl-49	39	19	the	the	DET
istl-49	39	20	number	number	NOUN
istl-49	39	21	of	of	ADP
istl-49	39	22	copyright	copyright	NOUN
istl-49	39	23	renewals	renewal	NOUN
istl-49	39	24	for	for	ADP
istl-49	39	25	maps	map	NOUN
istl-49	39	26	recorded	record	VERB
istl-49	39	27	per	per	ADP
istl-49	39	28	year	year	NOUN
istl-49	39	29	,	,	PUNCT
istl-49	39	30	as	as	ADV
istl-49	39	31	well	well	ADV
istl-49	39	32	as	as	ADP
istl-49	39	33	the	the	DET
istl-49	39	34	number	number	NOUN
istl-49	39	35	of	of	ADP
istl-49	39	36	maps	map	NOUN
istl-49	39	37	copyrighted	copyright	VERB
istl-49	39	38	27	27	NUM
istl-49	39	39	years	year	NOUN
istl-49	39	40	earlier	early	ADV
istl-49	39	41	,	,	PUNCT
istl-49	39	42	i.e.	i.e.	X
istl-49	39	43	,	,	PUNCT
istl-49	39	44	the	the	DET
istl-49	39	45	original	original	ADJ
istl-49	39	46	copyright	copyright	NOUN
istl-49	39	47	date	date	NOUN
istl-49	39	48	.	.	PUNCT
istl-49	40	1	prior	prior	ADV
istl-49	40	2	to	to	ADP
istl-49	40	3	1992	1992	NUM
istl-49	40	4	,	,	PUNCT
istl-49	40	5	works	work	NOUN
istl-49	40	6	were	be	AUX
istl-49	40	7	required	require	VERB
istl-49	40	8	to	to	PART
istl-49	40	9	have	have	VERB
istl-49	40	10	their	their	PRON
istl-49	40	11	copyright	copyright	NOUN
istl-49	40	12	renewed	renew	VERB
istl-49	40	13	27	27	NUM
istl-49	40	14	years	year	NOUN
istl-49	40	15	after	after	ADP
istl-49	40	16	the	the	DET
istl-49	40	17	original	original	ADJ
istl-49	40	18	copyright	copyright	NOUN
istl-49	40	19	date	date	NOUN
istl-49	40	20	.	.	PUNCT
istl-49	41	1	if	if	SCONJ
istl-49	41	2	the	the	DET
istl-49	41	3	copyright	copyright	NOUN
istl-49	41	4	was	be	AUX
istl-49	41	5	not	not	PART
istl-49	41	6	renewed	renew	VERB
istl-49	41	7	within	within	ADP
istl-49	41	8	the	the	DET
istl-49	41	9	requisite	requisite	ADJ
istl-49	41	10	time	time	NOUN
istl-49	41	11	period	period	NOUN
istl-49	41	12	,	,	PUNCT
istl-49	41	13	then	then	ADV
istl-49	41	14	the	the	DET
istl-49	41	15	work	work	NOUN
istl-49	41	16	became	become	VERB
istl-49	41	17	part	part	NOUN
istl-49	41	18	of	of	ADP
istl-49	41	19	the	the	DET
istl-49	41	20	public	public	ADJ
istl-49	41	21	domain	domain	NOUN
istl-49	41	22	.	.	PUNCT
istl-49	42	1	rules	rule	NOUN
istl-49	42	2	for	for	ADP
istl-49	42	3	copyright	copyright	NOUN
istl-49	42	4	renewal	renewal	NOUN
istl-49	42	5	changed	change	VERB
istl-49	42	6	in	in	ADP
istl-49	42	7	1992	1992	NUM
istl-49	42	8	,	,	PUNCT
istl-49	42	9	when	when	SCONJ
istl-49	42	10	the	the	DET
istl-49	42	11	u.s	u.s	PROPN
istl-49	42	12	.	.	PROPN
istl-49	42	13	congress	congress	PROPN
istl-49	42	14	made	make	VERB
istl-49	42	15	renewals	renewal	NOUN
istl-49	42	16	for	for	ADP
istl-49	42	17	works	work	NOUN
istl-49	42	18	published	publish	VERB
istl-49	42	19	after	after	ADP
istl-49	42	20	1963	1963	NUM
istl-49	42	21	automatic	automatic	ADJ
istl-49	42	22	.	.	PUNCT
istl-49	43	1	therefore	therefore	ADV
istl-49	43	2	,	,	PUNCT
istl-49	43	3	the	the	DET
istl-49	43	4	focus	focus	NOUN
istl-49	43	5	of	of	ADP
istl-49	43	6	this	this	DET
istl-49	43	7	study	study	NOUN
istl-49	43	8	was	be	AUX
istl-49	43	9	restricted	restrict	VERB
istl-49	43	10	to	to	PART
istl-49	43	11	pre-1964	pre-1964	VERB
istl-49	43	12	works	work	NOUN
istl-49	43	13	.	.	PUNCT
istl-49	44	1	works	work	NOUN
istl-49	44	2	published	publish	VERB
istl-49	44	3	in	in	ADP
istl-49	44	4	the	the	DET
istl-49	44	5	united	united	PROPN
istl-49	44	6	states	states	PROPN
istl-49	44	7	prior	prior	ADV
istl-49	44	8	to	to	ADP
istl-49	44	9	1923	1923	NUM
istl-49	44	10	are	be	AUX
istl-49	44	11	already	already	ADV
istl-49	44	12	in	in	ADP
istl-49	44	13	the	the	DET
istl-49	44	14	public	public	ADJ
istl-49	44	15	domain	domain	NOUN
istl-49	44	16	.	.	PUNCT
istl-49	45	1	as	as	SCONJ
istl-49	45	2	stated	state	VERB
istl-49	45	3	earlier	early	ADV
istl-49	45	4	,	,	PUNCT
istl-49	45	5	renewal	renewal	NOUN
istl-49	45	6	data	datum	NOUN
istl-49	45	7	for	for	ADP
istl-49	45	8	maps	map	NOUN
istl-49	45	9	published	publish	VERB
istl-49	45	10	from	from	ADP
istl-49	45	11	1951	1951	NUM
istl-49	45	12	-	-	SYM
istl-49	45	13	1963	1963	NUM
istl-49	45	14	were	be	AUX
istl-49	45	15	not	not	PART
istl-49	45	16	separately	separately	ADV
istl-49	45	17	reported	report	VERB
istl-49	45	18	by	by	ADP
istl-49	45	19	the	the	DET
istl-49	45	20	u.s	u.s	PROPN
istl-49	45	21	.	.	PROPN
istl-49	45	22	copyright	copyright	PROPN
istl-49	45	23	office	office	NOUN
istl-49	45	24	,	,	PUNCT
istl-49	45	25	so	so	CCONJ
istl-49	45	26	this	this	DET
istl-49	45	27	study	study	NOUN
istl-49	45	28	was	be	AUX
istl-49	45	29	restricted	restrict	VERB
istl-49	45	30	to	to	ADP
istl-49	45	31	maps	map	NOUN
istl-49	45	32	published	publish	VERB
istl-49	45	33	from	from	ADP
istl-49	45	34	1923	1923	NUM
istl-49	45	35	to	to	ADP
istl-49	45	36	1950	1950	NUM
istl-49	45	37	,	,	PUNCT
istl-49	45	38	those	those	PRON
istl-49	45	39	requiring	require	VERB
istl-49	45	40	renewal	renewal	NOUN
istl-49	45	41	from	from	ADP
istl-49	45	42	1950	1950	NUM
istl-49	45	43	to	to	ADP
istl-49	45	44	1977	1977	NUM
istl-49	45	45	.	.	PUNCT
istl-49	46	1	some	some	DET
istl-49	46	2	works	work	NOUN
istl-49	46	3	published	publish	VERB
istl-49	46	4	during	during	ADP
istl-49	46	5	this	this	DET
istl-49	46	6	period	period	NOUN
istl-49	46	7	did	do	AUX
istl-49	46	8	not	not	PART
istl-49	46	9	require	require	VERB
istl-49	46	10	renewal	renewal	NOUN
istl-49	46	11	to	to	PART
istl-49	46	12	remain	remain	VERB
istl-49	46	13	in	in	ADP
istl-49	46	14	copyright	copyright	NOUN
istl-49	46	15	due	due	ADP
istl-49	46	16	to	to	ADP
istl-49	46	17	international	international	ADJ
istl-49	46	18	treaty	treaty	NOUN
istl-49	46	19	,	,	PUNCT
istl-49	46	20	such	such	ADJ
istl-49	46	21	as	as	ADP
istl-49	46	22	certain	certain	ADJ
istl-49	46	23	works	work	NOUN
istl-49	46	24	published	publish	VERB
istl-49	46	25	abroad	abroad	ADV
istl-49	46	26	(	(	PUNCT
istl-49	46	27	see	see	VERB
istl-49	46	28	hirtle	hirtle	ADJ
istl-49	46	29	2008	2008	NUM
istl-49	46	30	for	for	ADP
istl-49	46	31	details	detail	NOUN
istl-49	46	32	)	)	PUNCT
istl-49	46	33	.	.	PUNCT
istl-49	47	1	relatively	relatively	ADV
istl-49	47	2	few	few	ADJ
istl-49	47	3	of	of	ADP
istl-49	47	4	the	the	DET
istl-49	47	5	maps	map	NOUN
istl-49	47	6	copyrighted	copyright	VERB
istl-49	47	7	during	during	ADP
istl-49	47	8	the	the	DET
istl-49	47	9	years	year	NOUN
istl-49	47	10	of	of	ADP
istl-49	47	11	this	this	DET
istl-49	47	12	study	study	NOUN
istl-49	47	13	appear	appear	VERB
istl-49	47	14	to	to	PART
istl-49	47	15	meet	meet	VERB
istl-49	47	16	these	these	DET
istl-49	47	17	criteria	criterion	NOUN
istl-49	47	18	,	,	PUNCT
istl-49	47	19	and	and	CCONJ
istl-49	47	20	this	this	DET
istl-49	47	21	study	study	NOUN
istl-49	47	22	did	do	AUX
istl-49	47	23	not	not	PART
istl-49	47	24	attempt	attempt	VERB
istl-49	47	25	to	to	PART
istl-49	47	26	identify	identify	VERB
istl-49	47	27	or	or	CCONJ
istl-49	47	28	enumerate	enumerate	VERB
istl-49	47	29	these	these	DET
istl-49	47	30	works	work	NOUN
istl-49	47	31	.	.	PUNCT
istl-49	48	1	results	result	VERB
istl-49	48	2	an	an	DET
istl-49	48	3	average	average	ADJ
istl-49	48	4	copyright	copyright	NOUN
istl-49	48	5	renewal	renewal	NOUN
istl-49	48	6	rate	rate	NOUN
istl-49	48	7	was	be	AUX
istl-49	48	8	calculated	calculate	VERB
istl-49	48	9	for	for	ADP
istl-49	48	10	the	the	DET
istl-49	48	11	overall	overall	ADJ
istl-49	48	12	time	time	NOUN
istl-49	48	13	span	span	NOUN
istl-49	48	14	(	(	PUNCT
istl-49	48	15	1923	1923	NUM
istl-49	48	16	-	-	SYM
istl-49	48	17	1950	1950	NUM
istl-49	48	18	)	)	PUNCT
istl-49	48	19	,	,	PUNCT
istl-49	48	20	as	as	ADV
istl-49	48	21	well	well	ADV
istl-49	48	22	as	as	ADP
istl-49	48	23	for	for	ADP
istl-49	48	24	each	each	DET
istl-49	48	25	year	year	NOUN
istl-49	48	26	.	.	PUNCT
istl-49	49	1	as	as	SCONJ
istl-49	49	2	reflected	reflect	VERB
istl-49	49	3	in	in	ADP
istl-49	49	4	table	table	NOUN
istl-49	49	5	1	1	NUM
istl-49	49	6	,	,	PUNCT
istl-49	49	7	the	the	DET
istl-49	49	8	renewal	renewal	NOUN
istl-49	49	9	rate	rate	NOUN
istl-49	49	10	ranged	range	VERB
istl-49	49	11	from	from	ADP
istl-49	49	12	a	a	DET
istl-49	49	13	high	high	NOUN
istl-49	49	14	of	of	ADP
istl-49	49	15	37	37	NUM
istl-49	49	16	%	%	NOUN
istl-49	49	17	to	to	ADP
istl-49	49	18	a	a	DET
istl-49	49	19	low	low	NOUN
istl-49	49	20	of	of	ADP
istl-49	49	21	2	2	NUM
istl-49	49	22	%	%	NOUN
istl-49	49	23	,	,	PUNCT
istl-49	49	24	for	for	ADP
istl-49	49	25	an	an	DET
istl-49	49	26	average	average	ADJ
istl-49	49	27	result	result	NOUN
istl-49	49	28	of	of	ADP
istl-49	49	29	18	18	NUM
istl-49	49	30	%	%	NOUN
istl-49	49	31	over	over	ADP
istl-49	49	32	the	the	DET
istl-49	49	33	28	28	NUM
istl-49	49	34	-	-	PUNCT
istl-49	49	35	year	year	NOUN
istl-49	49	36	period	period	NOUN
istl-49	49	37	,	,	PUNCT
istl-49	49	38	which	which	PRON
istl-49	49	39	is	be	AUX
istl-49	49	40	similar	similar	ADJ
istl-49	49	41	to	to	ADP
istl-49	49	42	the	the	DET
istl-49	49	43	16	16	NUM
istl-49	49	44	%	%	NOUN
istl-49	49	45	for	for	ADP
istl-49	49	46	monographs	monograph	NOUN
istl-49	49	47	reported	report	VERB
istl-49	49	48	by	by	ADP
istl-49	49	49	wilkin	wilkin	NOUN
istl-49	49	50	.	.	PUNCT
istl-49	50	1	there	there	PRON
istl-49	50	2	is	be	VERB
istl-49	50	3	a	a	DET
istl-49	50	4	significant	significant	ADJ
istl-49	50	5	increase	increase	NOUN
istl-49	50	6	in	in	ADP
istl-49	50	7	renewals	renewal	NOUN
istl-49	50	8	in	in	ADP
istl-49	50	9	1977	1977	NUM
istl-49	50	10	,	,	PUNCT
istl-49	50	11	which	which	PRON
istl-49	50	12	is	be	AUX
istl-49	50	13	largely	largely	ADV
istl-49	50	14	attributable	attributable	ADJ
istl-49	50	15	to	to	ADP
istl-49	50	16	a	a	DET
istl-49	50	17	single	single	ADJ
istl-49	50	18	publisher	publisher	NOUN
istl-49	50	19	’s	’s	PART
istl-49	50	20	renewal	renewal	NOUN
istl-49	50	21	activity	activity	NOUN
istl-49	50	22	.	.	PUNCT
istl-49	51	1	an	an	DET
istl-49	51	2	abrupt	abrupt	ADJ
istl-49	51	3	decline	decline	NOUN
istl-49	51	4	in	in	ADP
istl-49	51	5	renewals	renewal	NOUN
istl-49	51	6	was	be	AUX
istl-49	51	7	noted	note	VERB
istl-49	51	8	beginning	begin	VERB
istl-49	51	9	in	in	ADP
istl-49	51	10	1960	1960	NUM
istl-49	51	11	,	,	PUNCT
istl-49	51	12	mirroring	mirror	VERB
istl-49	51	13	that	that	PRON
istl-49	51	14	reported	report	VERB
istl-49	51	15	in	in	ADP
istl-49	51	16	wilkin	wilkin	PROPN
istl-49	51	17	’s	’s	NOUN
istl-49	51	18	study	study	NOUN
istl-49	51	19	of	of	ADP
istl-49	51	20	books	book	NOUN
istl-49	51	21	.	.	PUNCT
istl-49	52	1	differences	difference	NOUN
istl-49	52	2	between	between	ADP
istl-49	52	3	this	this	DET
istl-49	52	4	study	study	NOUN
istl-49	52	5	and	and	CCONJ
istl-49	52	6	that	that	PRON
istl-49	52	7	of	of	ADP
istl-49	52	8	wilkin	wilkin	NOUN
istl-49	52	9	are	be	AUX
istl-49	52	10	two	two	NUM
istl-49	52	11	-	-	ADJ
istl-49	52	12	fold	fold	ADJ
istl-49	52	13	.	.	PUNCT
istl-49	53	1	wilkin	wilkin	PROPN
istl-49	53	2	used	use	VERB
istl-49	53	3	a	a	DET
istl-49	53	4	40	40	NUM
istl-49	53	5	-	-	PUNCT
istl-49	53	6	year	year	NOUN
istl-49	53	7	span	span	NOUN
istl-49	53	8	of	of	ADP
istl-49	53	9	data	datum	NOUN
istl-49	53	10	for	for	ADP
istl-49	53	11	his	his	PRON
istl-49	53	12	analysis	analysis	NOUN
istl-49	53	13	,	,	PUNCT
istl-49	53	14	compared	compare	VERB
istl-49	53	15	to	to	ADP
istl-49	53	16	the	the	DET
istl-49	53	17	28	28	NUM
istl-49	53	18	years	year	NOUN
istl-49	53	19	available	available	ADJ
istl-49	53	20	for	for	ADP
istl-49	53	21	this	this	DET
istl-49	53	22	study	study	NOUN
istl-49	53	23	.	.	PUNCT
istl-49	54	1	the	the	DET
istl-49	54	2	crms	crm	NOUN
istl-49	54	3	process	process	NOUN
istl-49	54	4	,	,	PUNCT
istl-49	54	5	upon	upon	SCONJ
istl-49	54	6	which	which	PRON
istl-49	54	7	wilkin	wilkin	NOUN
istl-49	54	8	based	base	VERB
istl-49	54	9	his	his	PRON
istl-49	54	10	analysis	analysis	NOUN
istl-49	54	11	,	,	PUNCT
istl-49	54	12	involved	involve	VERB
istl-49	54	13	not	not	PART
istl-49	54	14	only	only	ADV
istl-49	54	15	checking	check	VERB
istl-49	54	16	the	the	DET
istl-49	54	17	renewal	renewal	NOUN
istl-49	54	18	data	datum	NOUN
istl-49	54	19	in	in	ADP
istl-49	54	20	the	the	DET
istl-49	54	21	catalog	catalog	NOUN
istl-49	54	22	of	of	ADP
istl-49	54	23	copyright	copyright	NOUN
istl-49	54	24	entries	entry	NOUN
istl-49	54	25	,	,	PUNCT
istl-49	54	26	but	but	CCONJ
istl-49	54	27	also	also	ADV
istl-49	54	28	examining	examine	VERB
istl-49	54	29	the	the	DET
istl-49	54	30	works	work	NOUN
istl-49	54	31	themselves	themselves	PRON
istl-49	54	32	for	for	ADP
istl-49	54	33	appropriate	appropriate	ADJ
istl-49	54	34	copyright	copyright	NOUN
istl-49	54	35	marks	mark	NOUN
istl-49	54	36	,	,	PUNCT
istl-49	54	37	which	which	PRON
istl-49	54	38	were	be	AUX
istl-49	54	39	required	require	VERB
istl-49	54	40	by	by	ADP
istl-49	54	41	law	law	NOUN
istl-49	54	42	.	.	PUNCT
istl-49	55	1	in	in	ADP
istl-49	55	2	the	the	DET
istl-49	55	3	wilkin	wilkin	ADJ
istl-49	55	4	study	study	NOUN
istl-49	55	5	,	,	PUNCT
istl-49	55	6	an	an	DET
istl-49	55	7	additional	additional	ADJ
istl-49	55	8	1	1	NUM
istl-49	55	9	%	%	NOUN
istl-49	55	10	of	of	ADP
istl-49	55	11	items	item	NOUN
istl-49	55	12	fell	fall	VERB
istl-49	55	13	into	into	ADP
istl-49	55	14	the	the	DET
istl-49	55	15	public	public	ADJ
istl-49	55	16	domain	domain	NOUN
istl-49	55	17	due	due	ADP
istl-49	55	18	to	to	ADP
istl-49	55	19	a	a	DET
istl-49	55	20	lack	lack	NOUN
istl-49	55	21	of	of	ADP
istl-49	55	22	the	the	DET
istl-49	55	23	required	require	VERB
istl-49	55	24	mark	mark	NOUN
istl-49	55	25	.	.	PUNCT
istl-49	56	1	the	the	DET
istl-49	56	2	current	current	ADJ
istl-49	56	3	study	study	NOUN
istl-49	56	4	did	do	AUX
istl-49	56	5	not	not	PART
istl-49	56	6	undertake	undertake	VERB
istl-49	56	7	to	to	PART
istl-49	56	8	examine	examine	VERB
istl-49	56	9	the	the	DET
istl-49	56	10	physical	physical	ADJ
istl-49	56	11	maps	map	NOUN
istl-49	56	12	themselves	themselves	PRON
istl-49	56	13	.	.	PUNCT
istl-49	57	1	otherwise	otherwise	ADV
istl-49	57	2	,	,	PUNCT
istl-49	57	3	the	the	DET
istl-49	57	4	average	average	ADJ
istl-49	57	5	renewal	renewal	NOUN
istl-49	57	6	rate	rate	NOUN
istl-49	57	7	for	for	ADP
istl-49	57	8	maps	map	NOUN
istl-49	57	9	might	might	AUX
istl-49	57	10	be	be	AUX
istl-49	57	11	slightly	slightly	ADV
istl-49	57	12	lower	low	ADJ
istl-49	57	13	,	,	PUNCT
istl-49	57	14	based	base	VERB
istl-49	57	15	upon	upon	SCONJ
istl-49	57	16	this	this	DET
istl-49	57	17	criterion	criterion	NOUN
istl-49	57	18	.	.	PUNCT
istl-49	58	1	table	table	NOUN
istl-49	58	2	1	1	NUM
istl-49	58	3	.	.	PROPN
istl-49	58	4	maps	map	NOUN
istl-49	58	5	copyrighted	copyright	VERB
istl-49	58	6	,	,	PUNCT
istl-49	58	7	1923	1923	NUM
istl-49	58	8	-	-	SYM
istl-49	58	9	1950	1950	NUM
istl-49	58	10	and	and	CCONJ
istl-49	58	11	map	map	VERB
istl-49	58	12	copyright	copyright	NOUN
istl-49	58	13	renewals	renewal	NOUN
istl-49	58	14	1950	1950	NUM
istl-49	58	15	-	-	SYM
istl-49	58	16	1977	1977	NUM
istl-49	58	17	.	.	PUNCT
istl-49	59	1	year	year	NOUN
istl-49	59	2	of	of	ADP
istl-49	59	3	original	original	ADJ
istl-49	59	4	copyright	copyright	NOUN
istl-49	59	5	renewal	renewal	NOUN
istl-49	59	6	year	year	NOUN
istl-49	59	7	number	number	NOUN
istl-49	59	8	of	of	ADP
istl-49	59	9	maps	map	NOUN
istl-49	59	10	copyrighted	copyright	VERB
istl-49	59	11	number	number	NOUN
istl-49	59	12	of	of	ADP
istl-49	59	13	sanborn	sanborn	ADJ
istl-49	59	14	maps	map	NOUN
istl-49	59	15	published	publish	VERB
istl-49	59	16	total	total	ADJ
istl-49	59	17	map	map	NOUN
istl-49	59	18	renewals	renewal	NOUN
istl-49	59	19	*	*	PUNCT
istl-49	59	20	number	number	NOUN
istl-49	59	21	of	of	ADP
istl-49	59	22	sanborn	sanborn	ADJ
istl-49	59	23	maps	map	NOUN
istl-49	59	24	renewed	renew	VERB
istl-49	59	25	percent	percent	NOUN
istl-49	59	26	of	of	ADP
istl-49	59	27	sanborn	sanborn	ADJ
istl-49	59	28	maps	map	NOUN
istl-49	59	29	renewed	renew	VERB
istl-49	59	30	percent	percent	NOUN
istl-49	59	31	of	of	ADP
istl-49	59	32	all	all	DET
istl-49	59	33	maps	map	NOUN
istl-49	59	34	renewed	renew	VERB
istl-49	59	35	1950	1950	NUM
istl-49	59	36	1977	1977	NUM
istl-49	59	37	1,638	1,638	NUM
istl-49	59	38	1,026	1,026	NUM
istl-49	59	39	603	603	NUM
istl-49	59	40	0	0	NUM
istl-49	59	41	0	0	NUM
istl-49	59	42	%	%	NOUN
istl-49	59	43	37	37	NUM
istl-49	59	44	%	%	NOUN
istl-49	59	45	1949	1949	NUM
istl-49	59	46	1976	1976	NUM
istl-49	59	47	4,627	4,627	NUM
istl-49	59	48	590	590	NUM
istl-49	59	49	527	527	NUM
istl-49	59	50	0	0	NUM
istl-49	59	51	0	0	NUM
istl-49	59	52	%	%	NOUN
istl-49	59	53	11	11	NUM
istl-49	59	54	%	%	NOUN
istl-49	59	55	1948	1948	NUM
istl-49	59	56	1975	1975	NUM
istl-49	59	57	2,855	2,855	NUM
istl-49	59	58	506	506	NUM
istl-49	59	59	517	517	NUM
istl-49	59	60	0	0	NUM
istl-49	59	61	0	0	NUM
istl-49	59	62	%	%	NOUN
istl-49	59	63	18	18	NUM
istl-49	59	64	%	%	NOUN
istl-49	59	65	1947	1947	NUM
istl-49	59	66	1974	1974	NUM
istl-49	59	67	3,526	3,526	NUM
istl-49	59	68	300	300	NUM
istl-49	59	69	201	201	NUM
istl-49	59	70	0	0	NUM
istl-49	59	71	0	0	NUM
istl-49	59	72	%	%	NOUN
istl-49	59	73	6	6	NUM
istl-49	59	74	%	%	NOUN
istl-49	59	75	1946	1946	NUM
istl-49	59	76	1973	1973	NUM
istl-49	59	77	2,558	2,558	NUM
istl-49	59	78	256	256	NUM
istl-49	59	79	129	129	NUM
istl-49	59	80	0	0	NUM
istl-49	59	81	0	0	NUM
istl-49	59	82	%	%	NOUN
istl-49	59	83	5	5	NUM
istl-49	59	84	%	%	NOUN
istl-49	59	85	1945	1945	NUM
istl-49	59	86	1972	1972	NUM
istl-49	59	87	1,709	1,709	NUM
istl-49	59	88	349	349	NUM
istl-49	59	89	120	120	NUM
istl-49	59	90	0	0	NUM
istl-49	59	91	0	0	NUM
istl-49	59	92	%	%	NOUN
istl-49	59	93	7	7	NUM
istl-49	59	94	%	%	NOUN
istl-49	59	95	1944	1944	NUM
istl-49	59	96	1971	1971	NUM
istl-49	59	97	494	494	NUM
istl-49	59	98	369	369	NUM
istl-49	59	99	56	56	NUM
istl-49	59	100	0	0	NUM
istl-49	59	101	0	0	NUM
istl-49	59	102	%	%	NOUN
istl-49	59	103	11	11	NUM
istl-49	59	104	%	%	NOUN
istl-49	59	105	1943	1943	NUM
istl-49	59	106	1970	1970	NUM
istl-49	59	107	737	737	NUM
istl-49	59	108	473	473	NUM
istl-49	59	109	45	45	NUM
istl-49	59	110	0	0	NUM
istl-49	59	111	0	0	NUM
istl-49	59	112	%	%	NOUN
istl-49	59	113	6	6	NUM
istl-49	59	114	%	%	NOUN
istl-49	59	115	1942	1942	NUM
istl-49	59	116	1969	1969	NUM
istl-49	59	117	1,217	1,217	NUM
istl-49	59	118	416	416	NUM
istl-49	59	119	99	99	NUM
istl-49	59	120	0	0	NUM
istl-49	59	121	0	0	NUM
istl-49	59	122	%	%	NOUN
istl-49	59	123	8	8	NUM
istl-49	59	124	%	%	NOUN
istl-49	59	125	1941	1941	NUM
istl-49	59	126	1968	1968	NUM
istl-49	59	127	1,398	1,398	NUM
istl-49	59	128	456	456	NUM
istl-49	59	129	79	79	NUM
istl-49	59	130	0	0	NUM
istl-49	59	131	0	0	NUM
istl-49	59	132	%	%	NOUN
istl-49	59	133	6	6	NUM
istl-49	59	134	%	%	NOUN
istl-49	59	135	1940	1940	NUM
istl-49	59	136	1967	1967	NUM
istl-49	59	137	1,622	1,622	NUM
istl-49	59	138	390	390	NUM
istl-49	59	139	116	116	NUM
istl-49	59	140	0	0	NUM
istl-49	59	141	0	0	NUM
istl-49	59	142	%	%	NOUN
istl-49	59	143	7	7	NUM
istl-49	59	144	%	%	NOUN
istl-49	59	145	1939	1939	NUM
istl-49	59	146	1966	1966	NUM
istl-49	59	147	1,566	1,566	NUM
istl-49	59	148	402	402	NUM
istl-49	59	149	92	92	NUM
istl-49	59	150	0	0	NUM
istl-49	59	151	0	0	NUM
istl-49	59	152	%	%	NOUN
istl-49	59	153	6	6	NUM
istl-49	59	154	%	%	NOUN
istl-49	59	155	1938	1938	NUM
istl-49	59	156	1965	1965	NUM
istl-49	59	157	1,200	1,200	NUM
istl-49	59	158	429	429	NUM
istl-49	59	159	112	112	NUM
istl-49	59	160	0	0	NUM
istl-49	59	161	0	0	NUM
istl-49	59	162	%	%	NOUN
istl-49	59	163	9	9	NUM
istl-49	59	164	%	%	NOUN
istl-49	59	165	1937	1937	NUM
istl-49	59	166	1964	1964	NUM
istl-49	59	167	1,198	1,198	NUM
istl-49	59	168	313	313	NUM
istl-49	59	169	110	110	NUM
istl-49	59	170	0	0	NUM
istl-49	59	171	0	0	NUM
istl-49	59	172	%	%	NOUN
istl-49	59	173	9	9	NUM
istl-49	59	174	%	%	NOUN
istl-49	59	175	1936	1936	NUM
istl-49	59	176	1963	1963	NUM
istl-49	59	177	1,444	1,444	NUM
istl-49	59	178	304	304	NUM
istl-49	59	179	119	119	NUM
istl-49	59	180	0	0	NUM
istl-49	59	181	0	0	NUM
istl-49	59	182	%	%	NOUN
istl-49	59	183	8	8	NUM
istl-49	59	184	%	%	NOUN
istl-49	59	185	1935	1935	NUM
istl-49	59	186	1962	1962	NUM
istl-49	59	187	1,343	1,343	NUM
istl-49	59	188	269	269	NUM
istl-49	59	189	96	96	NUM
istl-49	59	190	13	13	NUM
istl-49	59	191	5	5	NUM
istl-49	59	192	%	%	NOUN
istl-49	59	193	7	7	NUM
istl-49	59	194	%	%	NOUN
istl-49	59	195	1934	1934	NUM
istl-49	59	196	1961	1961	NUM
istl-49	59	197	1,250	1,250	NUM
istl-49	59	198	275	275	NUM
istl-49	59	199	21	21	NUM
istl-49	59	200	17	17	NUM
istl-49	59	201	6	6	NUM
istl-49	59	202	%	%	NOUN
istl-49	59	203	2	2	NUM
istl-49	59	204	%	%	NOUN
istl-49	59	205	1933	1933	NUM
istl-49	59	206	1960	1960	NUM
istl-49	59	207	1,178	1,178	NUM
istl-49	59	208	474	474	NUM
istl-49	59	209	49	49	NUM
istl-49	59	210	37	37	NUM
istl-49	59	211	8	8	NUM
istl-49	59	212	%	%	NOUN
istl-49	59	213	4	4	NUM
istl-49	59	214	%	%	NOUN
istl-49	59	215	1932	1932	NUM
istl-49	59	216	1959	1959	NUM
istl-49	59	217	1,774	1,774	NUM
istl-49	59	218	547	547	NUM
istl-49	59	219	487	487	NUM
istl-49	59	220	443	443	NUM
istl-49	59	221	81	81	NUM
istl-49	59	222	%	%	NOUN
istl-49	59	223	27	27	NUM
istl-49	59	224	%	%	NOUN
istl-49	59	225	1931	1931	NUM
istl-49	59	226	1958	1958	NUM
istl-49	59	227	2,940	2,940	NUM
istl-49	59	228	1,047	1,047	NUM
istl-49	59	229	1,046	1,046	NUM
istl-49	59	230	1,027	1,027	NUM
istl-49	59	231	98	98	NUM
istl-49	59	232	%	%	NOUN
istl-49	59	233	36	36	NUM
istl-49	59	234	%	%	NOUN
istl-49	59	235	1930	1930	NUM
istl-49	59	236	1957	1957	NUM
istl-49	59	237	2,554	2,554	NUM
istl-49	59	238	1,320	1,320	NUM
istl-49	59	239	912	912	NUM
istl-49	59	240	810	810	NUM
istl-49	59	241	61	61	NUM
istl-49	59	242	%	%	NOUN
istl-49	59	243	36	36	NUM
istl-49	59	244	%	%	NOUN
istl-49	59	245	1929	1929	NUM
istl-49	59	246	1956	1956	NUM
istl-49	59	247	2,232	2,232	NUM
istl-49	59	248	1,536	1,536	NUM
istl-49	59	249	779	779	NUM
istl-49	59	250	718	718	NUM
istl-49	59	251	47	47	NUM
istl-49	59	252	%	%	NOUN
istl-49	59	253	35	35	NUM
istl-49	59	254	%	%	NOUN
istl-49	59	255	1928	1928	NUM
istl-49	59	256	1955	1955	NUM
istl-49	59	257	2,862	2,862	NUM
istl-49	59	258	1,223	1,223	NUM
istl-49	59	259	853	853	NUM
istl-49	59	260	767	767	NUM
istl-49	59	261	63	63	NUM
istl-49	59	262	%	%	NOUN
istl-49	59	263	30	30	NUM
istl-49	59	264	%	%	NOUN
istl-49	59	265	1927	1927	NUM
istl-49	59	266	1954	1954	NUM
istl-49	59	267	2,677	2,677	NUM
istl-49	59	268	1,433	1,433	NUM
istl-49	59	269	826	826	NUM
istl-49	59	270	729	729	NUM
istl-49	59	271	51	51	NUM
istl-49	59	272	%	%	NOUN
istl-49	59	273	31	31	NUM
istl-49	59	274	%	%	NOUN
istl-49	59	275	1926	1926	NUM
istl-49	59	276	1953	1953	NUM
istl-49	59	277	2,647	2,647	NUM
istl-49	59	278	1,105	1,105	NUM
istl-49	59	279	743	743	NUM
istl-49	59	280	620	620	NUM
istl-49	59	281	56	56	NUM
istl-49	59	282	%	%	NOUN
istl-49	59	283	28	28	NUM
istl-49	59	284	%	%	NOUN
istl-49	59	285	1925	1925	NUM
istl-49	59	286	1952	1952	NUM
istl-49	59	287	2,222	2,222	NUM
istl-49	59	288	1,158	1,158	NUM
istl-49	59	289	474	474	NUM
istl-49	59	290	361	361	NUM
istl-49	59	291	31	31	NUM
istl-49	59	292	%	%	NOUN
istl-49	59	293	21	21	NUM
istl-49	59	294	%	%	NOUN
istl-49	59	295	1924	1924	NUM
istl-49	59	296	1951	1951	NUM
istl-49	59	297	2,265	2,265	NUM
istl-49	59	298	1,182	1,182	NUM
istl-49	59	299	572	572	NUM
istl-49	59	300	609	609	NUM
istl-49	59	301	52	52	NUM
istl-49	59	302	%	%	NOUN
istl-49	59	303	25	25	NUM
istl-49	59	304	%	%	NOUN
istl-49	59	305	1923	1923	NUM
istl-49	59	306	1950	1950	NUM
istl-49	59	307	2,042	2,042	NUM
istl-49	59	308	1,076	1,076	NUM
istl-49	59	309	315	315	NUM
istl-49	59	310	293	293	NUM
istl-49	59	311	27	27	NUM
istl-49	59	312	%	%	NOUN
istl-49	59	313	15	15	NUM
istl-49	59	314	%	%	NOUN
istl-49	59	315	totals	total	NOUN
istl-49	59	316	28	28	NUM
istl-49	59	317	years	year	NOUN
istl-49	59	318	55,775	55,775	NUM
istl-49	59	319	19,224	19,224	NUM
istl-49	59	320	10,098	10,098	NUM
istl-49	59	321	6,444	6,444	NUM
istl-49	59	322	34	34	NUM
istl-49	59	323	%	%	NOUN
istl-49	59	324	18	18	NUM
istl-49	59	325	%	%	NOUN
istl-49	59	326	in	in	ADP
istl-49	59	327	the	the	DET
istl-49	59	328	wilkin	wilkin	ADJ
istl-49	59	329	study	study	NOUN
istl-49	59	330	of	of	ADP
istl-49	59	331	monographs	monograph	NOUN
istl-49	59	332	,	,	PUNCT
istl-49	59	333	three	three	NUM
istl-49	59	334	categories	category	NOUN
istl-49	59	335	of	of	ADP
istl-49	59	336	copyright	copyright	NOUN
istl-49	59	337	status	status	NOUN
istl-49	59	338	were	be	AUX
istl-49	59	339	identified	identify	VERB
istl-49	59	340	:	:	PUNCT
istl-49	59	341	public	public	ADJ
istl-49	59	342	domain	domain	NOUN
istl-49	59	343	(	(	PUNCT
istl-49	59	344	53	53	NUM
istl-49	59	345	%	%	NOUN
istl-49	59	346	)	)	PUNCT
istl-49	59	347	,	,	PUNCT
istl-49	59	348	in	in	ADP
istl-49	59	349	copyright	copyright	NOUN
istl-49	59	350	(	(	PUNCT
istl-49	59	351	16	16	NUM
istl-49	59	352	%	%	NOUN
istl-49	59	353	)	)	PUNCT
istl-49	59	354	,	,	PUNCT
istl-49	59	355	and	and	CCONJ
istl-49	59	356	indeterminate	indeterminate	VERB
istl-49	59	357	(	(	PUNCT
istl-49	59	358	30	30	NUM
istl-49	59	359	%	%	NOUN
istl-49	59	360	)	)	PUNCT
istl-49	59	361	.	.	PUNCT
istl-49	60	1	works	work	NOUN
istl-49	60	2	categorized	categorize	VERB
istl-49	60	3	as	as	ADP
istl-49	60	4	indeterminate	indeterminate	ADJ
istl-49	60	5	were	be	AUX
istl-49	60	6	those	those	PRON
istl-49	60	7	whose	whose	DET
istl-49	60	8	copyright	copyright	NOUN
istl-49	60	9	renewal	renewal	NOUN
istl-49	60	10	status	status	NOUN
istl-49	60	11	was	be	AUX
istl-49	60	12	unclear	unclear	ADJ
istl-49	60	13	at	at	ADP
istl-49	60	14	the	the	DET
istl-49	60	15	time	time	NOUN
istl-49	60	16	of	of	ADP
istl-49	60	17	the	the	DET
istl-49	60	18	review	review	NOUN
istl-49	60	19	.	.	PUNCT
istl-49	61	1	for	for	ADP
istl-49	61	2	example	example	NOUN
istl-49	61	3	,	,	PUNCT
istl-49	61	4	works	work	VERB
istl-49	61	5	with	with	ADP
istl-49	61	6	photographs	photograph	NOUN
istl-49	61	7	could	could	AUX
istl-49	61	8	be	be	AUX
istl-49	61	9	classified	classify	VERB
istl-49	61	10	as	as	ADP
istl-49	61	11	indeterminate	indeterminate	ADJ
istl-49	61	12	,	,	PUNCT
istl-49	61	13	as	as	SCONJ
istl-49	61	14	the	the	DET
istl-49	61	15	photographs	photograph	NOUN
istl-49	61	16	may	may	AUX
istl-49	61	17	have	have	VERB
istl-49	61	18	separate	separate	ADJ
istl-49	61	19	copyright	copyright	NOUN
istl-49	61	20	protection	protection	NOUN
istl-49	61	21	from	from	ADP
istl-49	61	22	the	the	DET
istl-49	61	23	rest	rest	NOUN
istl-49	61	24	of	of	ADP
istl-49	61	25	the	the	DET
istl-49	61	26	work	work	NOUN
istl-49	61	27	.	.	PUNCT
istl-49	62	1	the	the	DET
istl-49	62	2	current	current	ADJ
istl-49	62	3	study	study	NOUN
istl-49	62	4	did	do	AUX
istl-49	62	5	not	not	PART
istl-49	62	6	attempt	attempt	VERB
istl-49	62	7	to	to	PART
istl-49	62	8	determine	determine	VERB
istl-49	62	9	rates	rate	NOUN
istl-49	62	10	of	of	ADP
istl-49	62	11	indeterminate	indeterminate	ADJ
istl-49	62	12	copyright	copyright	NOUN
istl-49	62	13	status	status	NOUN
istl-49	62	14	,	,	PUNCT
istl-49	62	15	nor	nor	CCONJ
istl-49	62	16	does	do	VERB
istl-49	62	17	this	this	DET
istl-49	62	18	study	study	NOUN
istl-49	62	19	attempt	attempt	NOUN
istl-49	62	20	to	to	PART
istl-49	62	21	identify	identify	VERB
istl-49	62	22	those	those	DET
istl-49	62	23	works	work	NOUN
istl-49	62	24	,	,	PUNCT
istl-49	62	25	described	describe	VERB
istl-49	62	26	previously	previously	ADV
istl-49	62	27	,	,	PUNCT
istl-49	62	28	that	that	PRON
istl-49	62	29	did	do	AUX
istl-49	62	30	not	not	PART
istl-49	62	31	require	require	VERB
istl-49	62	32	formal	formal	ADJ
istl-49	62	33	renewal	renewal	NOUN
istl-49	62	34	to	to	PART
istl-49	62	35	remain	remain	VERB
istl-49	62	36	in	in	ADP
istl-49	62	37	copyright	copyright	NOUN
istl-49	62	38	(	(	PUNCT
istl-49	62	39	foreign	foreign	ADJ
istl-49	62	40	works	work	NOUN
istl-49	62	41	,	,	PUNCT
istl-49	62	42	etc	etc	X
istl-49	62	43	.	.	PUNCT
istl-49	62	44	)	)	PUNCT
istl-49	62	45	.	.	PUNCT
istl-49	63	1	musser	musser	PROPN
istl-49	63	2	's	's	PART
istl-49	63	3	study	study	NOUN
istl-49	63	4	reported	report	VERB
istl-49	63	5	a	a	DET
istl-49	63	6	48	48	NUM
istl-49	63	7	%	%	NOUN
istl-49	63	8	copyright	copyright	NOUN
istl-49	63	9	renewal	renewal	NOUN
istl-49	63	10	rate	rate	NOUN
istl-49	63	11	for	for	ADP
istl-49	63	12	sanborn	sanborn	ADJ
istl-49	63	13	maps	map	NOUN
istl-49	63	14	,	,	PUNCT
istl-49	63	15	which	which	PRON
istl-49	63	16	is	be	AUX
istl-49	63	17	much	much	ADV
istl-49	63	18	higher	high	ADJ
istl-49	63	19	than	than	ADP
istl-49	63	20	this	this	DET
istl-49	63	21	study	study	NOUN
istl-49	63	22	’s	’s	SYM
istl-49	63	23	calculated	calculate	VERB
istl-49	63	24	rate	rate	NOUN
istl-49	63	25	of	of	ADP
istl-49	63	26	18	18	NUM
istl-49	63	27	%	%	NOUN
istl-49	63	28	average	average	ADJ
istl-49	63	29	renewal	renewal	NOUN
istl-49	63	30	rate	rate	NOUN
istl-49	63	31	for	for	ADP
istl-49	63	32	maps	map	NOUN
istl-49	63	33	.	.	PUNCT
istl-49	64	1	to	to	PART
istl-49	64	2	explore	explore	VERB
istl-49	64	3	this	this	DET
istl-49	64	4	difference	difference	NOUN
istl-49	64	5	further	far	ADV
istl-49	64	6	,	,	PUNCT
istl-49	64	7	individual	individual	ADJ
istl-49	64	8	map	map	NOUN
istl-49	64	9	copyright	copyright	NOUN
istl-49	64	10	renewals	renewal	NOUN
istl-49	64	11	were	be	AUX
istl-49	64	12	analyzed	analyze	VERB
istl-49	64	13	by	by	ADP
istl-49	64	14	name	name	NOUN
istl-49	64	15	of	of	ADP
istl-49	64	16	copyright	copyright	NOUN
istl-49	64	17	holder	holder	NOUN
istl-49	64	18	,	,	PUNCT
istl-49	64	19	usually	usually	ADV
istl-49	64	20	the	the	DET
istl-49	64	21	publisher	publisher	NOUN
istl-49	64	22	of	of	ADP
istl-49	64	23	the	the	DET
istl-49	64	24	map	map	NOUN
istl-49	64	25	.	.	PUNCT
istl-49	65	1	findings	finding	NOUN
istl-49	65	2	indicate	indicate	VERB
istl-49	65	3	that	that	DET
istl-49	65	4	map	map	NOUN
istl-49	65	5	copyright	copyright	NOUN
istl-49	65	6	renewals	renewal	NOUN
istl-49	65	7	were	be	AUX
istl-49	65	8	dominated	dominate	VERB
istl-49	65	9	by	by	ADP
istl-49	65	10	a	a	DET
istl-49	65	11	small	small	ADJ
istl-49	65	12	number	number	NOUN
istl-49	65	13	of	of	ADP
istl-49	65	14	publishers	publisher	NOUN
istl-49	65	15	the	the	DET
istl-49	65	16	sanborn	sanborn	ADJ
istl-49	65	17	map	map	NOUN
istl-49	65	18	company	company	NOUN
istl-49	65	19	(	(	PUNCT
istl-49	65	20	64	64	NUM
istl-49	65	21	%	%	NOUN
istl-49	65	22	)	)	PUNCT
istl-49	65	23	and	and	CCONJ
istl-49	65	24	tobin	tobin	NOUN
istl-49	65	25	aerial	aerial	ADJ
istl-49	65	26	surveys	survey	NOUN
istl-49	65	27	(	(	PUNCT
istl-49	65	28	19	19	NUM
istl-49	65	29	%	%	NOUN
istl-49	65	30	)	)	PUNCT
istl-49	65	31	,	,	PUNCT
istl-49	65	32	followed	follow	VERB
istl-49	65	33	by	by	ADP
istl-49	65	34	midcontinent	midcontinent	ADJ
istl-49	65	35	map	map	NOUN
istl-49	65	36	company	company	NOUN
istl-49	65	37	(	(	PUNCT
istl-49	65	38	3	3	NUM
istl-49	65	39	%	%	NOUN
istl-49	65	40	)	)	PUNCT
istl-49	65	41	,	,	PUNCT
istl-49	65	42	rand	rand	NOUN
istl-49	65	43	mcnally	mcnally	ADJ
istl-49	65	44	and	and	CCONJ
istl-49	65	45	company	company	NOUN
istl-49	65	46	(	(	PUNCT
istl-49	65	47	3	3	NUM
istl-49	65	48	%	%	NOUN
istl-49	65	49	)	)	PUNCT
istl-49	65	50	,	,	PUNCT
istl-49	65	51	and	and	CCONJ
istl-49	65	52	the	the	DET
istl-49	65	53	hammond	hammond	NOUN
istl-49	65	54	map	map	PROPN
istl-49	65	55	company	company	NOUN
istl-49	65	56	(	(	PUNCT
istl-49	65	57	3	3	NUM
istl-49	65	58	%	%	NOUN
istl-49	65	59	)	)	PUNCT
istl-49	65	60	.	.	PUNCT
istl-49	66	1	first	first	ADV
istl-49	66	2	among	among	ADP
istl-49	66	3	these	these	PRON
istl-49	66	4	was	be	AUX
istl-49	66	5	the	the	DET
istl-49	66	6	sanborn	sanborn	ADJ
istl-49	66	7	map	map	NOUN
istl-49	66	8	company	company	NOUN
istl-49	66	9	,	,	PUNCT
istl-49	66	10	publisher	publisher	NOUN
istl-49	66	11	of	of	ADP
istl-49	66	12	fire	fire	NOUN
istl-49	66	13	insurance	insurance	NOUN
istl-49	66	14	maps	map	NOUN
istl-49	66	15	.	.	PUNCT
istl-49	67	1	fire	fire	NOUN
istl-49	67	2	insurance	insurance	NOUN
istl-49	67	3	maps	map	NOUN
istl-49	67	4	documented	document	VERB
istl-49	67	5	street	street	NOUN
istl-49	67	6	layouts	layout	NOUN
istl-49	67	7	and	and	CCONJ
istl-49	67	8	the	the	DET
istl-49	67	9	size	size	NOUN
istl-49	67	10	,	,	PUNCT
istl-49	67	11	shape	shape	NOUN
istl-49	67	12	,	,	PUNCT
istl-49	67	13	construction	construction	NOUN
istl-49	67	14	materials	material	NOUN
istl-49	67	15	,	,	PUNCT
istl-49	67	16	etc	etc	X
istl-49	67	17	.	.	X
istl-49	67	18	of	of	ADP
istl-49	67	19	buildings	building	NOUN
istl-49	67	20	for	for	ADP
istl-49	67	21	thousands	thousand	NOUN
istl-49	67	22	of	of	ADP
istl-49	67	23	towns	town	NOUN
istl-49	67	24	and	and	CCONJ
istl-49	67	25	cities	city	NOUN
istl-49	67	26	in	in	ADP
istl-49	67	27	the	the	DET
istl-49	67	28	late	late	ADJ
istl-49	67	29	19th	19th	NOUN
istl-49	67	30	and	and	CCONJ
istl-49	67	31	early	early	ADV
istl-49	67	32	to	to	ADP
istl-49	67	33	mid-20th	mid-20th	NOUN
istl-49	67	34	century	century	NOUN
istl-49	67	35	.	.	PUNCT
istl-49	68	1	they	they	PRON
istl-49	68	2	are	be	AUX
istl-49	68	3	an	an	DET
istl-49	68	4	extremely	extremely	ADV
istl-49	68	5	valuable	valuable	ADJ
istl-49	68	6	resource	resource	NOUN
istl-49	68	7	for	for	ADP
istl-49	68	8	the	the	DET
istl-49	68	9	study	study	NOUN
istl-49	68	10	of	of	ADP
istl-49	68	11	urban	urban	ADJ
istl-49	68	12	growth	growth	NOUN
istl-49	68	13	and	and	CCONJ
istl-49	68	14	are	be	AUX
istl-49	68	15	heavily	heavily	ADV
istl-49	68	16	used	use	VERB
istl-49	68	17	by	by	ADP
istl-49	68	18	historians	historian	NOUN
istl-49	68	19	and	and	CCONJ
istl-49	68	20	genealogists	genealogist	NOUN
istl-49	68	21	.	.	PUNCT
istl-49	69	1	the	the	DET
istl-49	69	2	sanborn	sanborn	ADJ
istl-49	69	3	map	map	NOUN
istl-49	69	4	company	company	NOUN
istl-49	69	5	produced	produce	VERB
istl-49	69	6	more	more	ADJ
istl-49	69	7	than	than	ADP
istl-49	69	8	a	a	DET
istl-49	69	9	million	million	NUM
istl-49	69	10	map	map	NOUN
istl-49	69	11	sheets	sheet	NOUN
istl-49	69	12	describing	describe	VERB
istl-49	69	13	approximately	approximately	ADV
istl-49	69	14	12,000	12,000	NUM
istl-49	69	15	american	american	ADJ
istl-49	69	16	cities	city	NOUN
istl-49	69	17	and	and	CCONJ
istl-49	69	18	towns	town	NOUN
istl-49	69	19	(	(	PUNCT
istl-49	69	20	sanborn	sanborn	ADJ
istl-49	69	21	map	map	NOUN
istl-49	69	22	company	company	NOUN
istl-49	69	23	2019	2019	NUM
istl-49	69	24	)	)	PUNCT
istl-49	69	25	.	.	PUNCT
istl-49	70	1	for	for	ADP
istl-49	70	2	the	the	DET
istl-49	70	3	period	period	NOUN
istl-49	70	4	1950	1950	NUM
istl-49	70	5	-	-	SYM
istl-49	70	6	1977	1977	NUM
istl-49	70	7	,	,	PUNCT
istl-49	70	8	the	the	DET
istl-49	70	9	sanborn	sanborn	ADJ
istl-49	70	10	map	map	NOUN
istl-49	70	11	company	company	NOUN
istl-49	70	12	submitted	submit	VERB
istl-49	70	13	6,444	6,444	NUM
istl-49	70	14	renewals	renewal	NOUN
istl-49	70	15	,	,	PUNCT
istl-49	70	16	or	or	CCONJ
istl-49	70	17	34	34	NUM
istl-49	70	18	%	%	NOUN
istl-49	70	19	of	of	ADP
istl-49	70	20	their	their	PRON
istl-49	70	21	maps	map	NOUN
istl-49	70	22	eligible	eligible	ADJ
istl-49	70	23	for	for	ADP
istl-49	70	24	renewal	renewal	NOUN
istl-49	70	25	.	.	PUNCT
istl-49	71	1	this	this	DET
istl-49	71	2	figure	figure	NOUN
istl-49	71	3	is	be	AUX
istl-49	71	4	deceptive	deceptive	ADJ
istl-49	71	5	,	,	PUNCT
istl-49	71	6	however	however	ADV
istl-49	71	7	,	,	PUNCT
istl-49	71	8	as	as	SCONJ
istl-49	71	9	few	few	ADJ
istl-49	71	10	sanborn	sanborn	ADJ
istl-49	71	11	maps	map	NOUN
istl-49	71	12	had	have	VERB
istl-49	71	13	their	their	PRON
istl-49	71	14	copyrights	copyright	NOUN
istl-49	71	15	renewed	renew	VERB
istl-49	71	16	after	after	ADP
istl-49	71	17	1960	1960	NUM
istl-49	71	18	(	(	PUNCT
istl-49	71	19	none	none	NOUN
istl-49	71	20	after	after	ADP
istl-49	71	21	1962	1962	NUM
istl-49	71	22	)	)	PUNCT
istl-49	71	23	,	,	PUNCT
istl-49	71	24	so	so	CCONJ
istl-49	71	25	the	the	DET
istl-49	71	26	average	average	ADJ
istl-49	71	27	renewal	renewal	NOUN
istl-49	71	28	rate	rate	NOUN
istl-49	71	29	dropped	drop	VERB
istl-49	71	30	significantly	significantly	ADV
istl-49	71	31	towards	towards	ADP
istl-49	71	32	the	the	DET
istl-49	71	33	end	end	NOUN
istl-49	71	34	of	of	ADP
istl-49	71	35	the	the	DET
istl-49	71	36	time	time	NOUN
istl-49	71	37	period	period	NOUN
istl-49	71	38	studied	study	VERB
istl-49	71	39	(	(	PUNCT
istl-49	71	40	see	see	VERB
istl-49	71	41	table	table	NOUN
istl-49	71	42	1	1	NUM
istl-49	71	43	)	)	PUNCT
istl-49	71	44	.	.	PUNCT
istl-49	72	1	the	the	DET
istl-49	72	2	variation	variation	NOUN
istl-49	72	3	in	in	ADP
istl-49	72	4	renewal	renewal	NOUN
istl-49	72	5	rate	rate	NOUN
istl-49	72	6	was	be	AUX
istl-49	72	7	extreme	extreme	ADJ
istl-49	72	8	,	,	PUNCT
istl-49	72	9	ranging	range	VERB
istl-49	72	10	from	from	ADP
istl-49	72	11	98	98	NUM
istl-49	72	12	%	%	NOUN
istl-49	72	13	to	to	ADP
istl-49	72	14	zero	zero	NUM
istl-49	72	15	.	.	PUNCT
istl-49	73	1	figure	figure	VERB
istl-49	73	2	1	1	NUM
istl-49	73	3	.	.	PROPN
istl-49	73	4	publisher	publisher	NOUN
istl-49	73	5	distribution	distribution	NOUN
istl-49	73	6	of	of	ADP
istl-49	73	7	maps	map	NOUN
istl-49	73	8	copyrighted	copyright	VERB
istl-49	73	9	from	from	ADP
istl-49	73	10	1923	1923	NUM
istl-49	73	11	-	-	SYM
istl-49	73	12	1932	1932	NUM
istl-49	73	13	figure	figure	NOUN
istl-49	73	14	2	2	NUM
istl-49	73	15	.	.	PROPN
istl-49	73	16	publisher	publisher	NOUN
istl-49	73	17	distribution	distribution	NOUN
istl-49	73	18	of	of	ADP
istl-49	73	19	maps	map	NOUN
istl-49	73	20	renewed	renew	VERB
istl-49	73	21	from	from	ADP
istl-49	73	22	1950	1950	NUM
istl-49	73	23	-	-	SYM
istl-49	73	24	1959	1959	NUM
istl-49	73	25	when	when	SCONJ
istl-49	73	26	determining	determine	VERB
istl-49	73	27	the	the	DET
istl-49	73	28	average	average	ADJ
istl-49	73	29	copyright	copyright	NOUN
istl-49	73	30	renewal	renewal	NOUN
istl-49	73	31	rate	rate	NOUN
istl-49	73	32	for	for	ADP
istl-49	73	33	maps	map	NOUN
istl-49	73	34	,	,	PUNCT
istl-49	73	35	the	the	DET
istl-49	73	36	dominating	dominate	VERB
istl-49	73	37	impact	impact	NOUN
istl-49	73	38	of	of	ADP
istl-49	73	39	a	a	DET
istl-49	73	40	prolific	prolific	ADJ
istl-49	73	41	publisher	publisher	NOUN
istl-49	73	42	such	such	ADJ
istl-49	73	43	as	as	ADP
istl-49	73	44	the	the	DET
istl-49	73	45	sanborn	sanborn	ADJ
istl-49	73	46	map	map	NOUN
istl-49	73	47	company	company	NOUN
istl-49	73	48	must	must	AUX
istl-49	73	49	be	be	AUX
istl-49	73	50	taken	take	VERB
istl-49	73	51	into	into	ADP
istl-49	73	52	account	account	NOUN
istl-49	73	53	.	.	PUNCT
istl-49	74	1	from	from	ADP
istl-49	74	2	1923	1923	NUM
istl-49	74	3	-	-	SYM
istl-49	74	4	1932	1932	NUM
istl-49	74	5	,	,	PUNCT
istl-49	74	6	the	the	DET
istl-49	74	7	sanborn	sanborn	ADJ
istl-49	74	8	map	map	NOUN
istl-49	74	9	company	company	NOUN
istl-49	74	10	registered	register	VERB
istl-49	74	11	copyrights	copyright	NOUN
istl-49	74	12	for	for	ADP
istl-49	74	13	nearly	nearly	ADV
istl-49	74	14	half	half	NUM
istl-49	74	15	(	(	PUNCT
istl-49	74	16	48	48	NUM
istl-49	74	17	%	%	NOUN
istl-49	74	18	)	)	PUNCT
istl-49	74	19	of	of	ADP
istl-49	74	20	all	all	DET
istl-49	74	21	copyrighted	copyright	VERB
istl-49	74	22	maps	map	NOUN
istl-49	74	23	(	(	PUNCT
istl-49	74	24	see	see	VERB
istl-49	74	25	figure	figure	NOUN
istl-49	74	26	1	1	NUM
istl-49	74	27	)	)	PUNCT
istl-49	74	28	.	.	PUNCT
istl-49	75	1	twenty	twenty	NUM
istl-49	75	2	-	-	PUNCT
istl-49	75	3	seven	seven	NUM
istl-49	75	4	years	year	NOUN
istl-49	75	5	later	later	ADV
istl-49	75	6	,	,	PUNCT
istl-49	75	7	from	from	ADP
istl-49	75	8	1950	1950	NUM
istl-49	75	9	-	-	SYM
istl-49	75	10	59	59	NUM
istl-49	75	11	,	,	PUNCT
istl-49	75	12	that	that	DET
istl-49	75	13	company	company	NOUN
istl-49	75	14	’s	’s	PART
istl-49	75	15	renewals	renewal	NOUN
istl-49	75	16	amounted	amount	VERB
istl-49	75	17	to	to	ADP
istl-49	75	18	nearly	nearly	ADV
istl-49	75	19	all	all	PRON
istl-49	75	20	(	(	PUNCT
istl-49	75	21	91	91	NUM
istl-49	75	22	%	%	NOUN
istl-49	75	23	)	)	PUNCT
istl-49	75	24	of	of	ADP
istl-49	75	25	the	the	DET
istl-49	75	26	maps	map	NOUN
istl-49	75	27	renewed	renew	VERB
istl-49	75	28	(	(	PUNCT
istl-49	75	29	see	see	VERB
istl-49	75	30	figure	figure	NOUN
istl-49	75	31	2	2	NUM
istl-49	75	32	)	)	PUNCT
istl-49	75	33	.	.	PUNCT
istl-49	76	1	these	these	DET
istl-49	76	2	results	result	NOUN
istl-49	76	3	indicate	indicate	VERB
istl-49	76	4	that	that	SCONJ
istl-49	76	5	the	the	DET
istl-49	76	6	calculated	calculate	VERB
istl-49	76	7	average	average	ADJ
istl-49	76	8	renewal	renewal	NOUN
istl-49	76	9	rate	rate	NOUN
istl-49	76	10	of	of	ADP
istl-49	76	11	18	18	NUM
istl-49	76	12	%	%	NOUN
istl-49	76	13	based	base	VERB
istl-49	76	14	on	on	ADP
istl-49	76	15	data	datum	NOUN
istl-49	76	16	from	from	ADP
istl-49	76	17	table	table	NOUN
istl-49	76	18	1	1	NUM
istl-49	76	19	is	be	AUX
istl-49	76	20	probably	probably	ADV
istl-49	76	21	inaccurate	inaccurate	ADJ
istl-49	76	22	for	for	ADP
istl-49	76	23	many	many	ADJ
istl-49	76	24	maps	map	NOUN
istl-49	76	25	due	due	ADP
istl-49	76	26	to	to	ADP
istl-49	76	27	the	the	DET
istl-49	76	28	outsized	outsized	ADJ
istl-49	76	29	impact	impact	NOUN
istl-49	76	30	of	of	ADP
istl-49	76	31	the	the	DET
istl-49	76	32	sanborn	sanborn	ADJ
istl-49	76	33	map	map	NOUN
istl-49	76	34	company	company	NOUN
istl-49	76	35	.	.	PUNCT
istl-49	77	1	sanborn	sanborn	ADJ
istl-49	77	2	fire	fire	NOUN
istl-49	77	3	insurance	insurance	NOUN
istl-49	77	4	maps	map	NOUN
istl-49	77	5	have	have	VERB
istl-49	77	6	higher	high	ADJ
istl-49	77	7	copyright	copyright	NOUN
istl-49	77	8	renewal	renewal	NOUN
istl-49	77	9	rates	rate	NOUN
istl-49	77	10	than	than	ADP
istl-49	77	11	average	average	ADJ
istl-49	77	12	and	and	CCONJ
istl-49	77	13	thus	thus	ADV
istl-49	77	14	have	have	VERB
istl-49	77	15	an	an	DET
istl-49	77	16	outsized	outsized	ADJ
istl-49	77	17	impact	impact	NOUN
istl-49	77	18	on	on	ADP
istl-49	77	19	the	the	DET
istl-49	77	20	overall	overall	ADJ
istl-49	77	21	average	average	ADJ
istl-49	77	22	map	map	NOUN
istl-49	77	23	copyright	copyright	NOUN
istl-49	77	24	renewal	renewal	NOUN
istl-49	77	25	rate	rate	NOUN
istl-49	77	26	.	.	PUNCT
istl-49	78	1	to	to	PART
istl-49	78	2	determine	determine	VERB
istl-49	78	3	a	a	DET
istl-49	78	4	renewal	renewal	NOUN
istl-49	78	5	rate	rate	NOUN
istl-49	78	6	for	for	ADP
istl-49	78	7	other	other	ADJ
istl-49	78	8	copyrighted	copyright	VERB
istl-49	78	9	maps	map	NOUN
istl-49	78	10	,	,	PUNCT
istl-49	78	11	the	the	DET
istl-49	78	12	numbers	number	NOUN
istl-49	78	13	for	for	ADP
istl-49	78	14	sanborn	sanborn	NOUN
istl-49	78	15	maps	map	NOUN
istl-49	78	16	were	be	AUX
istl-49	78	17	removed	remove	VERB
istl-49	78	18	from	from	ADP
istl-49	78	19	the	the	DET
istl-49	78	20	totals	total	NOUN
istl-49	78	21	(	(	PUNCT
istl-49	78	22	of	of	ADP
istl-49	78	23	both	both	DET
istl-49	78	24	renewals	renewal	NOUN
istl-49	78	25	and	and	CCONJ
istl-49	78	26	originally	originally	ADV
istl-49	78	27	published	publish	VERB
istl-49	78	28	)	)	PUNCT
istl-49	78	29	,	,	PUNCT
istl-49	78	30	and	and	CCONJ
istl-49	78	31	separate	separate	ADJ
istl-49	78	32	renewal	renewal	NOUN
istl-49	78	33	rates	rate	NOUN
istl-49	78	34	were	be	AUX
istl-49	78	35	calculated	calculate	VERB
istl-49	78	36	.	.	PUNCT
istl-49	79	1	annual	annual	ADJ
istl-49	79	2	numbers	number	NOUN
istl-49	79	3	of	of	ADP
istl-49	79	4	sanborn	sanborn	ADJ
istl-49	79	5	maps	map	NOUN
istl-49	79	6	published	publish	VERB
istl-49	79	7	were	be	AUX
istl-49	79	8	extracted	extract	VERB
istl-49	79	9	from	from	ADP
istl-49	79	10	data	datum	NOUN
istl-49	79	11	at	at	ADP
istl-49	79	12	the	the	DET
istl-49	79	13	library	library	NOUN
istl-49	79	14	of	of	ADP
istl-49	79	15	congress	congress	PROPN
istl-49	79	16	,	,	PUNCT
istl-49	79	17	and	and	CCONJ
istl-49	79	18	annual	annual	ADJ
istl-49	79	19	numbers	number	NOUN
istl-49	79	20	of	of	ADP
istl-49	79	21	sanborn	sanborn	ADJ
istl-49	79	22	map	map	NOUN
istl-49	79	23	renewals	renewal	NOUN
istl-49	79	24	were	be	AUX
istl-49	79	25	compiled	compile	VERB
istl-49	79	26	from	from	ADP
istl-49	79	27	the	the	DET
istl-49	79	28	catalog	catalog	NOUN
istl-49	79	29	of	of	ADP
istl-49	79	30	copyright	copyright	NOUN
istl-49	79	31	entries	entry	NOUN
istl-49	79	32	.	.	PUNCT
istl-49	80	1	for	for	ADP
istl-49	80	2	the	the	DET
istl-49	80	3	period	period	NOUN
istl-49	80	4	1950	1950	NUM
istl-49	80	5	-	-	SYM
istl-49	80	6	1977	1977	NUM
istl-49	80	7	,	,	PUNCT
istl-49	80	8	sanborn	sanborn	PROPN
istl-49	80	9	maps	map	NOUN
istl-49	80	10	had	have	VERB
istl-49	80	11	an	an	DET
istl-49	80	12	average	average	ADJ
istl-49	80	13	copyright	copyright	NOUN
istl-49	80	14	renewal	renewal	NOUN
istl-49	80	15	rate	rate	NOUN
istl-49	80	16	of	of	ADP
istl-49	80	17	34	34	NUM
istl-49	80	18	%	%	NOUN
istl-49	80	19	,	,	PUNCT
istl-49	80	20	and	and	CCONJ
istl-49	80	21	other	other	ADJ
istl-49	80	22	maps	map	NOUN
istl-49	80	23	had	have	VERB
istl-49	80	24	an	an	DET
istl-49	80	25	average	average	ADJ
istl-49	80	26	copyright	copyright	NOUN
istl-49	80	27	renewal	renewal	NOUN
istl-49	80	28	rate	rate	NOUN
istl-49	80	29	of	of	ADP
istl-49	80	30	10	10	NUM
istl-49	80	31	%	%	NOUN
istl-49	80	32	,	,	PUNCT
istl-49	80	33	thus	thus	ADV
istl-49	80	34	confirming	confirm	VERB
istl-49	80	35	the	the	DET
istl-49	80	36	strong	strong	ADJ
istl-49	80	37	impact	impact	NOUN
istl-49	80	38	of	of	ADP
istl-49	80	39	the	the	DET
istl-49	80	40	sanborn	sanborn	ADJ
istl-49	80	41	map	map	NOUN
istl-49	80	42	company	company	NOUN
istl-49	80	43	on	on	ADP
istl-49	80	44	average	average	ADJ
istl-49	80	45	map	map	NOUN
istl-49	80	46	copyright	copyright	NOUN
istl-49	80	47	renewal	renewal	NOUN
istl-49	80	48	rates	rate	NOUN
istl-49	80	49	.	.	PUNCT
istl-49	81	1	discussion	discussion	NOUN
istl-49	81	2	the	the	DET
istl-49	81	3	average	average	ADJ
istl-49	81	4	copyright	copyright	NOUN
istl-49	81	5	renewal	renewal	NOUN
istl-49	81	6	rate	rate	NOUN
istl-49	81	7	for	for	ADP
istl-49	81	8	maps	map	NOUN
istl-49	81	9	appears	appear	VERB
istl-49	81	10	similar	similar	ADJ
istl-49	81	11	to	to	ADP
istl-49	81	12	that	that	PRON
istl-49	81	13	for	for	ADP
istl-49	81	14	monographs	monograph	NOUN
istl-49	81	15	but	but	CCONJ
istl-49	81	16	is	be	AUX
istl-49	81	17	highly	highly	ADV
istl-49	81	18	dependent	dependent	ADJ
istl-49	81	19	on	on	ADP
istl-49	81	20	the	the	DET
istl-49	81	21	publisher	publisher	NOUN
istl-49	81	22	,	,	PUNCT
istl-49	81	23	with	with	ADP
istl-49	81	24	sanborn	sanborn	ADJ
istl-49	81	25	maps	map	NOUN
istl-49	81	26	having	have	VERB
istl-49	81	27	a	a	DET
istl-49	81	28	much	much	ADV
istl-49	81	29	higher	high	ADJ
istl-49	81	30	average	average	ADJ
istl-49	81	31	renewal	renewal	NOUN
istl-49	81	32	rate	rate	NOUN
istl-49	81	33	than	than	ADP
istl-49	81	34	publishers	publisher	NOUN
istl-49	81	35	of	of	ADP
istl-49	81	36	other	other	ADJ
istl-49	81	37	maps	map	NOUN
istl-49	81	38	.	.	PUNCT
istl-49	82	1	the	the	DET
istl-49	82	2	reasons	reason	NOUN
istl-49	82	3	for	for	ADP
istl-49	82	4	the	the	DET
istl-49	82	5	significantly	significantly	ADV
istl-49	82	6	lower	low	ADJ
istl-49	82	7	copyright	copyright	NOUN
istl-49	82	8	renewal	renewal	NOUN
istl-49	82	9	rate	rate	NOUN
istl-49	82	10	for	for	ADP
istl-49	82	11	non	non	ADJ
istl-49	82	12	-	-	ADJ
istl-49	82	13	sanborn	sanborn	ADJ
istl-49	82	14	maps	map	NOUN
istl-49	82	15	are	be	AUX
istl-49	82	16	worth	worth	ADJ
istl-49	82	17	considering	consider	VERB
istl-49	82	18	.	.	PUNCT
istl-49	83	1	the	the	DET
istl-49	83	2	nature	nature	NOUN
istl-49	83	3	of	of	ADP
istl-49	83	4	the	the	DET
istl-49	83	5	content	content	NOUN
istl-49	83	6	of	of	ADP
istl-49	83	7	maps	map	NOUN
istl-49	83	8	themselves	themselves	PRON
istl-49	83	9	are	be	AUX
istl-49	83	10	such	such	ADJ
istl-49	83	11	that	that	SCONJ
istl-49	83	12	there	there	PRON
istl-49	83	13	is	be	VERB
istl-49	83	14	limited	limited	ADJ
istl-49	83	15	re	re	NOUN
istl-49	83	16	-	-	ADJ
istl-49	83	17	sale	sale	ADJ
istl-49	83	18	value	value	NOUN
istl-49	83	19	27	27	NUM
istl-49	83	20	years	year	NOUN
istl-49	83	21	after	after	ADP
istl-49	83	22	the	the	DET
istl-49	83	23	initial	initial	ADJ
istl-49	83	24	publication	publication	NOUN
istl-49	83	25	.	.	PUNCT
istl-49	84	1	consider	consider	VERB
istl-49	84	2	that	that	SCONJ
istl-49	84	3	the	the	DET
istl-49	84	4	most	most	ADV
istl-49	84	5	common	common	ADJ
istl-49	84	6	type	type	NOUN
istl-49	84	7	of	of	ADP
istl-49	84	8	commercial	commercial	ADJ
istl-49	84	9	map	map	NOUN
istl-49	84	10	,	,	PUNCT
istl-49	84	11	the	the	DET
istl-49	84	12	road	road	NOUN
istl-49	84	13	map	map	NOUN
istl-49	84	14	,	,	PUNCT
istl-49	84	15	was	be	AUX
istl-49	84	16	generated	generate	VERB
istl-49	84	17	to	to	PART
istl-49	84	18	illustrate	illustrate	VERB
istl-49	84	19	geography	geography	NOUN
istl-49	84	20	at	at	ADP
istl-49	84	21	the	the	DET
istl-49	84	22	time	time	NOUN
istl-49	84	23	of	of	ADP
istl-49	84	24	publication	publication	NOUN
istl-49	84	25	.	.	PUNCT
istl-49	85	1	twenty	twenty	NUM
istl-49	85	2	-	-	PUNCT
istl-49	85	3	seven	seven	NUM
istl-49	85	4	years	year	NOUN
istl-49	85	5	hence	hence	ADV
istl-49	85	6	,	,	PUNCT
istl-49	85	7	an	an	DET
istl-49	85	8	old	old	ADJ
istl-49	85	9	road	road	NOUN
istl-49	85	10	map	map	NOUN
istl-49	85	11	has	have	VERB
istl-49	85	12	little	little	ADJ
istl-49	85	13	value	value	NOUN
istl-49	85	14	for	for	ADP
istl-49	85	15	current	current	ADJ
istl-49	85	16	travelers	traveler	NOUN
istl-49	85	17	,	,	PUNCT
istl-49	85	18	though	though	SCONJ
istl-49	85	19	it	it	PRON
istl-49	85	20	retains	retain	VERB
istl-49	85	21	intellectual	intellectual	ADJ
istl-49	85	22	value	value	NOUN
istl-49	85	23	as	as	ADP
istl-49	85	24	an	an	DET
istl-49	85	25	historical	historical	ADJ
istl-49	85	26	resource	resource	NOUN
istl-49	85	27	.	.	PUNCT
istl-49	86	1	other	other	ADJ
istl-49	86	2	considerations	consideration	NOUN
istl-49	86	3	might	might	AUX
istl-49	86	4	be	be	AUX
istl-49	86	5	the	the	DET
istl-49	86	6	relatively	relatively	ADV
istl-49	86	7	low	low	ADJ
istl-49	86	8	profit	profit	NOUN
istl-49	86	9	involved	involve	VERB
istl-49	86	10	in	in	ADP
istl-49	86	11	most	most	ADJ
istl-49	86	12	map	map	ADJ
istl-49	86	13	publications	publication	NOUN
istl-49	86	14	and	and	CCONJ
istl-49	86	15	changing	change	VERB
istl-49	86	16	user	user	NOUN
istl-49	86	17	needs	need	NOUN
istl-49	86	18	and	and	CCONJ
istl-49	86	19	technology	technology	NOUN
istl-49	86	20	.	.	PUNCT
istl-49	87	1	ultimately	ultimately	ADV
istl-49	87	2	,	,	PUNCT
istl-49	87	3	when	when	SCONJ
istl-49	87	4	sanborn	sanborn	ADJ
istl-49	87	5	maps	map	NOUN
istl-49	87	6	are	be	AUX
istl-49	87	7	excluded	exclude	VERB
istl-49	87	8	from	from	ADP
istl-49	87	9	the	the	DET
istl-49	87	10	corpus	corpus	NOUN
istl-49	87	11	of	of	ADP
istl-49	87	12	all	all	DET
istl-49	87	13	copyrighted	copyright	VERB
istl-49	87	14	maps	map	NOUN
istl-49	87	15	,	,	PUNCT
istl-49	87	16	the	the	DET
istl-49	87	17	average	average	ADJ
istl-49	87	18	copyright	copyright	NOUN
istl-49	87	19	renewal	renewal	NOUN
istl-49	87	20	rate	rate	NOUN
istl-49	87	21	for	for	ADP
istl-49	87	22	maps	map	NOUN
istl-49	87	23	is	be	AUX
istl-49	87	24	significantly	significantly	ADV
istl-49	87	25	lower	low	ADJ
istl-49	87	26	than	than	ADP
istl-49	87	27	that	that	PRON
istl-49	87	28	of	of	ADP
istl-49	87	29	books	book	NOUN
istl-49	87	30	.	.	PUNCT
istl-49	88	1	many	many	ADJ
istl-49	88	2	maps	map	NOUN
istl-49	88	3	copyrighted	copyright	VERB
istl-49	88	4	prior	prior	ADV
istl-49	88	5	to	to	ADP
istl-49	88	6	1964	1964	NUM
istl-49	88	7	are	be	AUX
istl-49	88	8	now	now	ADV
istl-49	88	9	in	in	ADP
istl-49	88	10	the	the	DET
istl-49	88	11	public	public	ADJ
istl-49	88	12	domain	domain	NOUN
istl-49	88	13	.	.	PUNCT
istl-49	89	1	the	the	DET
istl-49	89	2	abrupt	abrupt	ADJ
istl-49	89	3	decline	decline	NOUN
istl-49	89	4	in	in	ADP
istl-49	89	5	copyright	copyright	NOUN
istl-49	89	6	renewals	renewal	NOUN
istl-49	89	7	in	in	ADP
istl-49	89	8	the	the	DET
istl-49	89	9	early	early	ADJ
istl-49	89	10	1960s	1960	NOUN
istl-49	89	11	that	that	PRON
istl-49	89	12	was	be	AUX
istl-49	89	13	originally	originally	ADV
istl-49	89	14	reported	report	VERB
istl-49	89	15	by	by	ADP
istl-49	89	16	wilkin	wilkin	NOUN
istl-49	89	17	for	for	ADP
istl-49	89	18	books	book	NOUN
istl-49	89	19	was	be	AUX
istl-49	89	20	visible	visible	ADJ
istl-49	89	21	in	in	ADP
istl-49	89	22	this	this	DET
istl-49	89	23	study	study	NOUN
istl-49	89	24	as	as	ADV
istl-49	89	25	well	well	ADV
istl-49	89	26	.	.	PUNCT
istl-49	90	1	however	however	ADV
istl-49	90	2	,	,	PUNCT
istl-49	90	3	the	the	DET
istl-49	90	4	reason	reason	NOUN
istl-49	90	5	for	for	ADP
istl-49	90	6	the	the	DET
istl-49	90	7	drop	drop	NOUN
istl-49	90	8	remains	remain	VERB
istl-49	90	9	unknown	unknown	ADJ
istl-49	90	10	.	.	PUNCT
istl-49	91	1	the	the	DET
istl-49	91	2	rate	rate	NOUN
istl-49	91	3	of	of	ADP
istl-49	91	4	map	map	NOUN
istl-49	91	5	publication	publication	NOUN
istl-49	91	6	dropped	drop	VERB
istl-49	91	7	by	by	ADP
istl-49	91	8	about	about	ADV
istl-49	91	9	a	a	DET
istl-49	91	10	third	third	NOUN
istl-49	91	11	from	from	ADP
istl-49	91	12	1932	1932	NUM
istl-49	91	13	to	to	ADP
istl-49	91	14	1933	1933	NUM
istl-49	91	15	,	,	PUNCT
istl-49	91	16	whereas	whereas	SCONJ
istl-49	91	17	renewals	renewal	NOUN
istl-49	91	18	from	from	ADP
istl-49	91	19	1959	1959	NUM
istl-49	91	20	to	to	ADP
istl-49	91	21	1960	1960	NUM
istl-49	91	22	dropped	drop	VERB
istl-49	91	23	by	by	ADP
istl-49	91	24	85	85	NUM
istl-49	91	25	%	%	NOUN
istl-49	91	26	.	.	PUNCT
istl-49	92	1	examination	examination	NOUN
istl-49	92	2	of	of	ADP
istl-49	92	3	the	the	DET
istl-49	92	4	annual	annual	ADJ
istl-49	92	5	reports	report	NOUN
istl-49	92	6	of	of	ADP
istl-49	92	7	the	the	DET
istl-49	92	8	u.s	u.s	PROPN
istl-49	92	9	.	.	PROPN
istl-49	92	10	copyright	copyright	PROPN
istl-49	92	11	office	office	NOUN
istl-49	92	12	from	from	ADP
istl-49	92	13	1959	1959	NUM
istl-49	92	14	and	and	CCONJ
istl-49	92	15	1960	1960	NUM
istl-49	92	16	yielded	yield	VERB
istl-49	92	17	no	no	DET
istl-49	92	18	obvious	obvious	ADJ
istl-49	92	19	reasons	reason	NOUN
istl-49	92	20	for	for	ADP
istl-49	92	21	the	the	DET
istl-49	92	22	drop	drop	NOUN
istl-49	92	23	in	in	ADP
istl-49	92	24	renewals	renewal	NOUN
istl-49	92	25	.	.	PUNCT
istl-49	93	1	the	the	DET
istl-49	93	2	u.s	u.s	PROPN
istl-49	93	3	.	.	PROPN
istl-49	93	4	copyright	copyright	PROPN
istl-49	93	5	office	office	NOUN
istl-49	93	6	states	state	VERB
istl-49	93	7	that	that	SCONJ
istl-49	93	8	overall	overall	ADJ
istl-49	93	9	renewal	renewal	NOUN
istl-49	93	10	rates	rate	NOUN
istl-49	93	11	were	be	AUX
istl-49	93	12	stable	stable	ADJ
istl-49	93	13	over	over	ADP
istl-49	93	14	this	this	DET
istl-49	93	15	period	period	NOUN
istl-49	93	16	(	(	PUNCT
istl-49	93	17	u.s	u.s	PROPN
istl-49	93	18	.	.	PROPN
istl-49	93	19	copyright	copyright	PROPN
istl-49	93	20	office	office	NOUN
istl-49	93	21	.	.	PUNCT
istl-49	94	1	annual	annual	ADJ
istl-49	94	2	report	report	NOUN
istl-49	94	3	1960	1960	NUM
istl-49	94	4	,	,	PUNCT
istl-49	94	5	p.13	p.13	X
istl-49	94	6	)	)	PUNCT
istl-49	94	7	,	,	PUNCT
istl-49	94	8	so	so	CCONJ
istl-49	94	9	it	it	PRON
istl-49	94	10	may	may	AUX
istl-49	94	11	be	be	AUX
istl-49	94	12	possible	possible	ADJ
istl-49	94	13	that	that	SCONJ
istl-49	94	14	the	the	DET
istl-49	94	15	drop	drop	NOUN
istl-49	94	16	is	be	AUX
istl-49	94	17	the	the	DET
istl-49	94	18	result	result	NOUN
istl-49	94	19	of	of	ADP
istl-49	94	20	changes	change	NOUN
istl-49	94	21	in	in	ADP
istl-49	94	22	the	the	DET
istl-49	94	23	map	map	NOUN
istl-49	94	24	publishing	publishing	NOUN
istl-49	94	25	industry	industry	NOUN
istl-49	94	26	,	,	PUNCT
istl-49	94	27	particularly	particularly	ADV
istl-49	94	28	the	the	DET
istl-49	94	29	sanborn	sanborn	ADJ
istl-49	94	30	map	map	NOUN
istl-49	94	31	company	company	NOUN
istl-49	94	32	.	.	PUNCT
istl-49	95	1	by	by	ADP
istl-49	95	2	the	the	DET
istl-49	95	3	late	late	ADJ
istl-49	95	4	1950s	1950	NOUN
istl-49	95	5	,	,	PUNCT
istl-49	95	6	the	the	DET
istl-49	95	7	company	company	NOUN
istl-49	95	8	had	have	AUX
istl-49	95	9	greatly	greatly	ADV
istl-49	95	10	reduced	reduce	VERB
istl-49	95	11	production	production	NOUN
istl-49	95	12	of	of	ADP
istl-49	95	13	fire	fire	NOUN
istl-49	95	14	insurance	insurance	NOUN
istl-49	95	15	maps	map	NOUN
istl-49	95	16	,	,	PUNCT
istl-49	95	17	the	the	DET
istl-49	95	18	last	last	ADJ
istl-49	95	19	of	of	ADP
istl-49	95	20	which	which	PRON
istl-49	95	21	they	they	PRON
istl-49	95	22	published	publish	VERB
istl-49	95	23	in	in	ADP
istl-49	95	24	1961	1961	NUM
istl-49	95	25	(	(	PUNCT
istl-49	95	26	ristow	ristow	PROPN
istl-49	95	27	1968	1968	NUM
istl-49	95	28	,	,	PUNCT
istl-49	95	29	p.213	p.213	NOUN
istl-49	95	30	)	)	PUNCT
istl-49	95	31	.	.	PUNCT
istl-49	96	1	conclusion	conclusion	VERB
istl-49	96	2	many	many	ADJ
istl-49	96	3	digital	digital	ADJ
istl-49	96	4	repositories	repository	NOUN
istl-49	96	5	,	,	PUNCT
istl-49	96	6	like	like	ADP
istl-49	96	7	the	the	DET
istl-49	96	8	hathitrust	hathitrust	NOUN
istl-49	96	9	digital	digital	ADJ
istl-49	96	10	library	library	NOUN
istl-49	96	11	and	and	CCONJ
istl-49	96	12	google	google	PROPN
istl-49	96	13	books	book	NOUN
istl-49	96	14	,	,	PUNCT
istl-49	96	15	have	have	AUX
istl-49	96	16	focused	focus	VERB
istl-49	96	17	on	on	ADP
istl-49	96	18	formats	format	NOUN
istl-49	96	19	other	other	ADJ
istl-49	96	20	than	than	ADP
istl-49	96	21	maps	map	NOUN
istl-49	96	22	.	.	PUNCT
istl-49	97	1	the	the	DET
istl-49	97	2	groups	group	NOUN
istl-49	97	3	that	that	PRON
istl-49	97	4	have	have	AUX
istl-49	97	5	completed	complete	VERB
istl-49	97	6	large	large	ADJ
istl-49	97	7	-	-	PUNCT
istl-49	97	8	scale	scale	NOUN
istl-49	97	9	digitization	digitization	NOUN
istl-49	97	10	of	of	ADP
istl-49	97	11	maps	map	NOUN
istl-49	97	12	,	,	PUNCT
istl-49	97	13	such	such	ADJ
istl-49	97	14	as	as	ADP
istl-49	97	15	david	david	PROPN
istl-49	97	16	rumsey	rumsey	PROPN
istl-49	97	17	,	,	PUNCT
istl-49	97	18	the	the	DET
istl-49	97	19	library	library	NOUN
istl-49	97	20	of	of	ADP
istl-49	97	21	congress	congress	PROPN
istl-49	97	22	and	and	CCONJ
istl-49	97	23	others	other	NOUN
istl-49	97	24	,	,	PUNCT
istl-49	97	25	have	have	AUX
istl-49	97	26	focused	focus	VERB
istl-49	97	27	on	on	ADP
istl-49	97	28	maps	map	NOUN
istl-49	97	29	that	that	PRON
istl-49	97	30	are	be	AUX
istl-49	97	31	,	,	PUNCT
istl-49	97	32	on	on	ADP
istl-49	97	33	the	the	DET
istl-49	97	34	surface	surface	NOUN
istl-49	97	35	,	,	PUNCT
istl-49	97	36	no	no	ADV
istl-49	97	37	longer	long	ADV
istl-49	97	38	in	in	ADP
istl-49	97	39	copyright	copyright	NOUN
istl-49	97	40	,	,	PUNCT
istl-49	97	41	i.e.	i.e.	X
istl-49	97	42	,	,	PUNCT
istl-49	97	43	published	publish	VERB
istl-49	97	44	prior	prior	ADV
istl-49	97	45	to	to	ADP
istl-49	97	46	1923	1923	NUM
istl-49	97	47	.	.	PUNCT
istl-49	98	1	given	give	VERB
istl-49	98	2	that	that	SCONJ
istl-49	98	3	the	the	DET
istl-49	98	4	copyright	copyright	NOUN
istl-49	98	5	renewal	renewal	NOUN
istl-49	98	6	rate	rate	NOUN
istl-49	98	7	for	for	ADP
istl-49	98	8	maps	map	NOUN
istl-49	98	9	,	,	PUNCT
istl-49	98	10	with	with	ADP
istl-49	98	11	the	the	DET
istl-49	98	12	exception	exception	NOUN
istl-49	98	13	of	of	ADP
istl-49	98	14	sanborn	sanborn	ADJ
istl-49	98	15	fire	fire	NOUN
istl-49	98	16	insurance	insurance	NOUN
istl-49	98	17	maps	map	NOUN
istl-49	98	18	,	,	PUNCT
istl-49	98	19	is	be	AUX
istl-49	98	20	very	very	ADV
istl-49	98	21	low	low	ADJ
istl-49	98	22	(	(	PUNCT
istl-49	98	23	10	10	NUM
istl-49	98	24	%	%	NOUN
istl-49	98	25	)	)	PUNCT
istl-49	98	26	for	for	ADP
istl-49	98	27	works	work	NOUN
istl-49	98	28	published	publish	VERB
istl-49	98	29	in	in	ADP
istl-49	98	30	the	the	DET
istl-49	98	31	united	united	PROPN
istl-49	98	32	states	states	PROPN
istl-49	98	33	prior	prior	ADV
istl-49	98	34	to	to	ADP
istl-49	98	35	1964	1964	NUM
istl-49	98	36	,	,	PUNCT
istl-49	98	37	librarians	librarian	NOUN
istl-49	98	38	should	should	AUX
istl-49	98	39	consider	consider	VERB
istl-49	98	40	increasing	increase	VERB
istl-49	98	41	the	the	DET
istl-49	98	42	corpus	corpus	NOUN
istl-49	98	43	of	of	ADP
istl-49	98	44	scanned	scan	VERB
istl-49	98	45	historic	historic	ADJ
istl-49	98	46	maps	map	NOUN
istl-49	98	47	from	from	ADP
istl-49	98	48	this	this	DET
istl-49	98	49	time	time	NOUN
istl-49	98	50	period	period	NOUN
istl-49	98	51	,	,	PUNCT
istl-49	98	52	particularly	particularly	ADV
istl-49	98	53	as	as	SCONJ
istl-49	98	54	space	space	NOUN
istl-49	98	55	pressures	pressure	NOUN
istl-49	98	56	are	be	AUX
istl-49	98	57	forcing	force	VERB
istl-49	98	58	many	many	ADJ
istl-49	98	59	map	map	NOUN
istl-49	98	60	libraries	library	NOUN
istl-49	98	61	to	to	PART
istl-49	98	62	reduce	reduce	VERB
istl-49	98	63	print	print	NOUN
istl-49	98	64	collections	collection	NOUN
istl-49	98	65	.	.	PUNCT
istl-49	99	1	acknowledgements	acknowledgement	NOUN
istl-49	99	2	feedback	feedback	VERB
istl-49	99	3	from	from	ADP
istl-49	99	4	brandy	brandy	PROPN
istl-49	99	5	karl	karl	PROPN
istl-49	99	6	,	,	PUNCT
istl-49	99	7	amy	amy	NOUN
istl-49	99	8	paster	paster	NOUN
istl-49	99	9	,	,	PUNCT
istl-49	99	10	and	and	CCONJ
istl-49	99	11	nan	nan	PROPN
istl-49	99	12	butkovich	butkovich	PROPN
istl-49	99	13	,	,	PUNCT
istl-49	99	14	along	along	ADP
istl-49	99	15	with	with	ADP
istl-49	99	16	the	the	DET
istl-49	99	17	comments	comment	NOUN
istl-49	99	18	from	from	ADP
istl-49	99	19	the	the	DET
istl-49	99	20	reviewers	reviewer	NOUN
istl-49	99	21	and	and	CCONJ
istl-49	99	22	editor	editor	NOUN
istl-49	99	23	were	be	AUX
istl-49	99	24	very	very	ADV
istl-49	99	25	helpful	helpful	ADJ
istl-49	99	26	in	in	ADP
istl-49	99	27	improving	improve	VERB
istl-49	99	28	this	this	DET
istl-49	99	29	article	article	NOUN
istl-49	99	30	.	.	PUNCT
istl-49	100	1	i	i	PRON
istl-49	100	2	thank	thank	VERB
istl-49	100	3	you	you	PRON
istl-49	100	4	.	.	PUNCT
istl-49	101	1	references	reference	NOUN
istl-49	101	2	arlitsch	arlitsch	NOUN
istl-49	101	3	,	,	PUNCT
istl-49	101	4	k.	k.	NOUN
istl-49	101	5	2002	2002	NUM
istl-49	101	6	.	.	PUNCT
istl-49	102	1	digitizing	digitize	VERB
istl-49	102	2	sanborn	sanborn	ADJ
istl-49	102	3	fire	fire	NOUN
istl-49	102	4	insurance	insurance	NOUN
istl-49	102	5	mapstm	mapstm	NOUN
istl-49	102	6	for	for	ADP
istl-49	102	7	a	a	DET
istl-49	102	8	full	full	ADJ
istl-49	102	9	color	color	NOUN
istl-49	102	10	,	,	PUNCT
istl-49	102	11	publicly	publicly	ADV
istl-49	102	12	accessible	accessible	ADJ
istl-49	102	13	collection	collection	NOUN
istl-49	102	14	.	.	PUNCT
istl-49	103	1	d	d	X
istl-49	103	2	-	-	PUNCT
istl-49	103	3	lib	lib	PROPN
istl-49	103	4	magazine	magazine	NOUN
istl-49	103	5	8(7/8	8(7/8	NUM
istl-49	103	6	)	)	PUNCT
istl-49	103	7	.	.	PUNCT
istl-49	104	1	[	[	X
istl-49	104	2	cited	cite	VERB
istl-49	104	3	2019	2019	NUM
istl-49	104	4	dec	dec	PROPN
istl-49	104	5	6	6	NUM
istl-49	104	6	]	]	PUNCT
istl-49	104	7	.	.	PUNCT
istl-49	105	1	available	available	ADJ
istl-49	105	2	from	from	ADP
istl-49	105	3	:	:	PUNCT
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istl-49	105	5	.	.	PUNCT
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istl-49	106	2	.	.	PUNCT
istl-49	107	1	2019	2019	NUM
istl-49	107	2	.	.	PUNCT
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istl-49	108	2	review	review	NOUN
istl-49	108	3	program	program	NOUN
istl-49	108	4	.	.	PUNCT
istl-49	109	1	ann	ann	PROPN
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istl-49	109	3	,	,	PUNCT
istl-49	109	4	mi	mi	PROPN
istl-49	109	5	:	:	PUNCT
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istl-49	109	7	.	.	PUNCT
istl-49	110	1	[	[	X
istl-49	110	2	cited	cite	VERB
istl-49	110	3	2019	2019	NUM
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istl-49	110	5	6	6	NUM
istl-49	110	6	]	]	PUNCT
istl-49	110	7	.	.	PUNCT
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istl-49	111	2	from	from	ADP
istl-49	111	3	:	:	PUNCT
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istl-49	111	5	.	.	PUNCT
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istl-49	112	2	,	,	PUNCT
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istl-49	112	5	.	.	PUNCT
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istl-49	113	3	,	,	PUNCT
istl-49	113	4	copyright	copyright	NOUN
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istl-49	113	6	,	,	PUNCT
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istl-49	113	9	difficulty	difficulty	NOUN
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istl-49	113	11	determining	determine	VERB
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istl-49	113	14	.	.	PUNCT
istl-49	114	1	d	d	X
istl-49	114	2	-	-	PUNCT
istl-49	114	3	lib	lib	PROPN
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istl-49	114	5	14	14	NUM
istl-49	114	6	(	(	PUNCT
istl-49	114	7	7/8	7/8	NUM
istl-49	114	8	)	)	PUNCT
istl-49	114	9	.	.	PUNCT
istl-49	115	1	[	[	X
istl-49	115	2	cited	cite	VERB
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istl-49	115	4	dec	dec	PROPN
istl-49	115	5	6	6	NUM
istl-49	115	6	]	]	PUNCT
istl-49	115	7	.	.	PUNCT
istl-49	116	1	available	available	ADJ
istl-49	116	2	from	from	ADP
istl-49	116	3	:	:	PUNCT
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istl-49	116	7	,	,	PUNCT
istl-49	116	8	l.	l.	PROPN
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istl-49	116	10	.	.	PUNCT
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istl-49	117	2	status	status	NOUN
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istl-49	117	5	maps	map	NOUN
istl-49	117	6	.	.	PUNCT
istl-49	118	1	base	base	NOUN
istl-49	118	2	line	line	NOUN
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istl-49	118	4	):	):	PUNCT
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istl-49	118	6	-	-	SYM
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istl-49	118	8	.	.	PUNCT
istl-49	119	1	[	[	X
istl-49	119	2	cited	cite	VERB
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istl-49	119	4	dec	dec	PROPN
istl-49	119	5	6	6	NUM
istl-49	119	6	]	]	PUNCT
istl-49	119	7	.	.	PUNCT
istl-49	120	1	available	available	ADJ
istl-49	120	2	from	from	ADP
istl-49	120	3	:	:	PUNCT
istl-49	120	4	http://www.ala.org/rt/files/publicationsab/baseline/35-4.pdf#page=25	http://www.ala.org/rt/files/publicationsab/baseline/35-4.pdf#page=25	PROPN
istl-49	120	5	.	.	PUNCT
istl-49	121	1	ristow	ristow	PROPN
istl-49	121	2	,	,	PUNCT
istl-49	121	3	w.	w.	PROPN
istl-49	121	4	w.	w.	PROPN
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istl-49	121	6	.	.	PUNCT
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istl-49	122	2	states	states	PROPN
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istl-49	122	4	insurance	insurance	NOUN
istl-49	122	5	and	and	CCONJ
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istl-49	122	7	maps	map	NOUN
istl-49	122	8	,	,	PUNCT
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istl-49	122	10	-	-	SYM
istl-49	122	11	1968	1968	NUM
istl-49	122	12	.	.	PUNCT
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istl-49	123	9	):	):	PUNCT
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istl-49	123	11	-	-	SYM
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istl-49	123	13	.	.	PUNCT
istl-49	124	1	[	[	X
istl-49	124	2	cited	cite	VERB
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istl-49	124	5	6	6	NUM
istl-49	124	6	]	]	PUNCT
istl-49	124	7	.	.	PUNCT
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istl-49	125	2	from	from	ADP
istl-49	125	3	:	:	PUNCT
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istl-49	125	5	.	.	PUNCT
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istl-49	126	4	.	.	PUNCT
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istl-49	127	2	.	.	PUNCT
istl-49	128	1	sanborn	sanborn	PROPN
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istl-49	128	3	insurance	insurance	NOUN
istl-49	128	4	maps	map	NOUN
istl-49	128	5	.	.	PUNCT
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istl-49	129	5	:	:	PUNCT
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istl-49	129	7	map	map	NOUN
istl-49	129	8	company	company	NOUN
istl-49	129	9	.	.	PUNCT
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istl-49	130	2	cited	cite	VERB
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istl-49	130	4	dec	dec	PROPN
istl-49	130	5	6	6	NUM
istl-49	130	6	]	]	PUNCT
istl-49	130	7	.	.	PUNCT
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istl-49	131	2	from	from	ADP
istl-49	131	3	:	:	PUNCT
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istl-49	131	5	.	.	PUNCT
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istl-49	132	2	university	university	PROPN
istl-49	132	3	.	.	PUNCT
istl-49	133	1	2019	2019	NUM
istl-49	133	2	.	.	PUNCT
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istl-49	134	4	.	.	PUNCT
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istl-49	135	2	,	,	PUNCT
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istl-49	135	4	:	:	PUNCT
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istl-49	135	7	.	.	PUNCT
istl-49	136	1	[	[	X
istl-49	136	2	cited	cite	VERB
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istl-49	136	4	dec	dec	PROPN
istl-49	136	5	6	6	NUM
istl-49	136	6	]	]	PUNCT
istl-49	136	7	.	.	PUNCT
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istl-49	137	2	from	from	ADP
istl-49	137	3	:	:	PUNCT
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istl-49	137	5	.	.	PUNCT
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istl-49	138	5	.	.	PUNCT
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istl-49	139	2	.	.	PUNCT
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istl-49	140	5	.	.	PUNCT
istl-49	141	1	washington	washington	PROPN
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istl-49	141	4	:	:	PUNCT
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istl-49	141	8	.	.	PUNCT
istl-49	142	1	[	[	X
istl-49	142	2	cited	cite	VERB
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istl-49	142	4	dec	dec	PROPN
istl-49	142	5	6	6	NUM
istl-49	142	6	]	]	PUNCT
istl-49	142	7	.	.	PUNCT
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istl-49	143	2	from	from	ADP
istl-49	143	3	:	:	PUNCT
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istl-49	143	5	.	.	PUNCT
istl-49	144	1	u.s	u.s	PROPN
istl-49	144	2	.	.	PROPN
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istl-49	144	5	.	.	PUNCT
istl-49	145	1	2019	2019	NUM
istl-49	145	2	.	.	PUNCT
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istl-49	147	2	,	,	PUNCT
istl-49	147	3	dc	dc	PROPN
istl-49	147	4	:	:	PUNCT
istl-49	147	5	u.s	u.s	PROPN
istl-49	147	6	.	.	PROPN
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istl-49	147	9	.	.	PUNCT
istl-49	148	1	[	[	X
istl-49	148	2	cited	cite	VERB
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istl-49	148	4	dec	dec	PROPN
istl-49	148	5	6	6	NUM
istl-49	148	6	]	]	PUNCT
istl-49	148	7	.	.	PUNCT
istl-49	149	1	available	available	ADJ
istl-49	149	2	from	from	ADP
istl-49	149	3	:	:	PUNCT
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istl-49	149	5	.	.	PUNCT
istl-49	150	1	wilkin	wilkin	PROPN
istl-49	150	2	,	,	PUNCT
istl-49	150	3	j.	j.	PROPN
istl-49	150	4	p.	p.	PROPN
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istl-49	150	6	.	.	PUNCT
istl-49	151	1	how	how	SCONJ
istl-49	151	2	large	large	ADJ
istl-49	151	3	is	be	AUX
istl-49	151	4	the	the	DET
istl-49	151	5	‘	'	PUNCT
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istl-49	151	7	domain	domain	NOUN
istl-49	151	8	’	'	PUNCT
istl-49	151	9	?	?	PUNCT
istl-49	152	1	a	a	DET
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istl-49	152	4	of	of	ADP
istl-49	152	5	ringer	ringer	NOUN
istl-49	152	6	’s	’s	NUM
istl-49	152	7	1961	1961	NUM
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istl-49	152	10	study	study	NOUN
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istl-49	153	6	):	):	PUNCT
istl-49	153	7	201	201	NUM
istl-49	153	8	-	-	SYM
istl-49	153	9	218	218	NUM
istl-49	153	10	.	.	PUNCT
istl-49	154	1	doi	doi	PROPN
istl-49	154	2	:	:	PUNCT
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istl-49	154	4	.	.	PUNCT
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istl-49	155	2	in	in	ADP
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istl-49	155	4	and	and	CCONJ
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istl-49	155	6	librarianship	librarianship	NOUN
istl-49	156	1	no	no	NOUN
istl-49	156	2	.	.	PROPN
istl-49	156	3	93	93	NUM
istl-49	156	4	,	,	PUNCT
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istl-49	156	6	2019	2019	NUM
istl-49	156	7	.	.	PUNCT
istl-49	157	1	doi	doi	PROPN
istl-49	157	2	:	:	PUNCT
istl-49	157	3	10.29173	10.29173	NUM
istl-49	157	4	/	/	SYM
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