bigram

This is a table of type bigram and their frequencies. Use it to search & browse the list to learn more about your study carrel.

bigram	frequency
new york	263
railroad company	214
long island	132
greenfield railroad	120
thousand dollars	103
per day	91
river tunnels	90
pennsylvania railroad	83
hoosac tunnel	81
east river	79
iron lining	74
per cent	74
north river	73
soft ground	65
compressed air	56
york city	55
air pressure	52
company shall	52
bottom heading	51
haupt co	49
concrete lining	48
island railroad	48
east end	47
west end	45
new jersey	43
hundred thousand	41
cutting edge	41
per min	40
island city	38
one hundred	37
per sq	35
weehawken shaft	35
terminal station	34
western road	33
chief engineer	33
first avenue	32
metal lining	32
work done	31
new england	31
tunnel lining	31
rock surface	31
fitchburg railroad	31
per ring	31
center line	30
capital stock	29
shield chambers	29
tunnel line	28
shelburne falls	28
central shaft	28
tunnel extension	27
two hundred	27
west shaft	27
linear foot	27
hudson river	26
per month	26
per linear	26
fifth avenue	26
east side	25
jersey city	25
manhattan shaft	25
land tunnels	25
hoosac mountain	25
resident engineer	25
top heading	25
another portion	25
per cu	24
feet per	24
average time	24
western railroad	24
bergen hill	24
york side	24
ninth avenue	24
hereby authorized	24
rock bottom	23
feet wide	23
lineal feet	23
per annum	23
seventh avenue	23
first day	22
per shift	22
west side	22
thousand lineal	22
twin tunnel	22
th street	22
north adams	21
one thousand	21
manhattan side	21
bore segments	21
five years	20
free air	20
york tunnel	20
open cut	20
river division	19
town tunnels	19
railroad corporations	19
rapid transit	19
cubic yard	19
per cubic	19
sunnyside yard	19
scrip shall	19
railroad corporation	19
cast iron	18
eastern railroad	18
dollars per	18
five per	18
eighteen hundred	18
sinking fund	17
time taken	17
tenth avenue	17
mixed rock	17
track tunnel	17
six hundred	17
feet high	17
atlantic avenue	17
two sections	17
deerfield river	16
southern vermont	16
center heading	16
state scrip	16
time per	16
broken plates	16
five thousand	16
five hundred	16
one time	16
bulkhead wall	16
vermont railroad	16
feet material	16
per lin	16
air per	16
per foot	15
lowell railroad	15
jersey side	15
cost per	15
two tunnels	15
river tunnel	15
thousand feet	15
road east	15
horse power	15
rock cover	15
northern line	15
intermediate shaft	14
early part	14
driven tunnels	14
tunnel work	14
civil engineers	14
maine railroad	14
duct bench	14
rock cut	14
flatbush avenue	14
heading method	14
rock section	14
fifty thousand	14
per minute	14
table part	14
two millions	14
hill tunnels	14
average progress	13
twenty thousand	13
soft material	13
cubic yards	13
boston railroad	13
bolting time	13
american society	13
three miles	13
ten per	13
twin tunnels	13
steam shovel	13
bench concrete	13
concrete arch	13
york central	13
eight hundred	12
typical cross	12
greater part	12
muck loaded	12
april th	12
state engineer	12
pump chamber	12
normal air	12
portland cement	12
plate lxxiv	12
tunnel superintendent	12
average cost	12
assistant engineer	12
full face	12
state control	12
three hundred	12
working chamber	12
central railroad	12
east avenue	12
air cylinders	12
one million	12
solid rock	12
subaqueous tunnels	12
either side	11
pennsylvania tunnel	11
river bulkhead	11
working force	11
brick arch	11
top charges	11
company may	11
bolt holes	11
general electric	11
breast boards	11
sixth avenue	11
one end	11
three years	11
bay ridge	11
lineal foot	11
plate xiii	11
terminal railroad	11
latter part	11
total time	11
state management	11
lock bulkhead	11
resident engineers	11
street surface	11
massachusetts railroad	10
flat cars	10
one tunnel	10
ninth avenues	10
railroad tracks	10
exploration drift	10
right angles	10
hour shift	10
two lines	10
mixed bottom	10
tunnel excavation	10
second street	10
lower part	10
table showing	10
progress made	10
six feet	10
plate xii	10
four feet	10
plate lxii	10
unavoidable delays	10
plate lix	10
whole length	10
total cost	10
ten years	10
terminal facilities	10
pressure air	10
shield chamber	10
whole time	10
may th	10
upper part	10
december th	10
short distance	10
average rate	10
two miles	10
heading oct	10
fourteen feet	10
cutting edges	10
intercepting arch	10
seven miles	10
per yard	10
plate lxxiii	10
railroad commissioners	10
cast steel	10
mica schist	10
hour shifts	9
three thousand	9
shall take	9
per mile	9
middle heading	9
way ducts	9
iron tunnel	9
plate lxx	9
hrs min	9
tunnel railroad	9
typical working	9
per hour	9
grout pipes	9
single track	9
working face	9
million dollars	9
deerfield dam	9
plate lx	9
majority bill	9
per hours	9
state treasurer	9
avenue improvement	9
railroad system	9
track tunnels	9
blacksmith shop	9
shield method	9
lined tunnels	9
full size	9
previously described	9
connecting railroad	9
cheap transportation	9
rock center	9
third streets	9
ordinary cast	9
amount paid	9
north side	9
act shall	9
commonwealth shall	9
feet long	9
well known	9
plate lviii	9
present time	9
june th	9
york connecting	9
river shafts	9
taper rings	9
part rock	8
south tunnel	8
time spent	8
erie railroad	8
large quantity	8
full width	8
river bridge	8
amount earned	8
mean high	8
two years	8
work will	8
plant depreciation	8
thirty years	8
per sec	8
number progress	8
one half	8
five miles	8
miles long	8
grade crossings	8
two men	8
railroad companies	8
nine hundred	8
western line	8
east heading	8
passenger traffic	8
hydrostatic head	8
south shaft	8
plate lxviii	8
electric conduits	8
materials delivered	8
far enough	8
rock excavation	8
eastern terminus	8
table summary	8
completed tunnel	8
steam cylinders	8
great west	8
transportation tax	8
gross earnings	8
cortlandt street	8
caulking pockets	8
summary part	8
powder used	8
weehawken side	8
intermediate shafts	8
various operations	8
sliding platform	8
land tunnel	8
one side	8
directors voted	8
engineering staff	8
poling boards	8
force employed	8
distance piece	8
mortgage bonds	8
plate lxiv	8
eleventh avenue	8
permanent shafts	8
river railroad	8
years ago	8
two tracks	8
part earth	8
traveling stage	8
top headings	8
short lengths	8
tunnel section	8
near greenfield	8
hundred feet	8
february th	8
four hundred	8
avenue shafts	8
green river	8
queens borough	8
masonry lining	8
last year	7
large part	7
third street	7
commissioners shall	7
state board	7
second air	7
river line	7
tunnel will	7
three months	7
pressure compressors	7
october th	7
general foreman	7
actually paid	7
four tunnels	7
motive power	7
high water	7
whole amount	7
rock tunnels	7
driven tunnel	7
bottom headings	7
specifications required	7
rear end	7
private corporation	7
easterly line	7
tunnel lines	7
part thereof	7
described later	7
field office	7
double track	7
chief office	7
take effect	7
francis mason	7
final position	7
first section	7
north tunnel	7
estimated cost	7
west line	7
north shaft	7
springing line	7
heavy timbering	7
per shield	7
act authorizing	7
electric locomotives	7
bulkhead line	7
office administration	7
machine drills	7
track level	7
great value	7
actual cost	7
heading nov	7
eight feet	7
great care	7
march th	7
two shafts	7
took place	7
last ring	7
great enterprise	7
sump segment	7
private property	7
bridge company	7
twenty per	7
city station	7
heading feb	7
shield doors	7
expanded metal	7
refuge niches	7
fine sand	7
new line	7
two thousand	7
civil engineer	7
construction company	7
width heading	7
thirty feet	7
first street	6
whole work	6
tunnel invert	6
seven thousand	6
ten thousand	6
six thousand	6
river lines	6
total weight	6
strong enough	6
city lots	6
steel bolts	6
transactions paper	6
engineers instituted	6
cement grout	6
without caulking	6
river bed	6
avenue terminal	6
total length	6
island shaft	6
field charges	6
steam locomotives	6
instituted transactions	6
st ave	6
reinforcing rods	6
one shield	6
november th	6
also used	6
great northern	6
electric motor	6
thousand eight	6
heavy cast	6
meadows division	6
rock sections	6
steel rods	6
hand labor	6
invert concrete	6
island reef	6
east new	6
outside diameter	6
total field	6
segmental timbering	6
eighth avenues	6
interest thereon	6
sized twin	6
single tunnel	6
tunnels fig	6
special legislation	6
water power	6
time total	6
engineering construction	6
contracting company	6
finally adopted	6
five feet	6
ordinary iron	6
manhattan railroad	6
total average	6
present location	6
four miles	6
eighty thousand	6
set apart	6
ten feet	6
four years	6
hundred dollars	6
table gives	6
council shall	6
six months	6
tunnel shall	6
sliding platforms	6
new shaft	6
laying mandrel	6
table shows	6
including time	6
state credit	6
full page	6
total labor	6
passenger yard	6
tunnel transport	6
passenger station	6
driven westward	6
loan act	6
radial joints	6
pennsylvania station	6
front street	6
chapter two	6
island shafts	6
center lines	6
construction work	6
alvah crocker	6
freight traffic	6
grand total	6
alfred noble	6
every ft	6
york station	6
page image	6
three per	6
plate lxi	6
first air	6
boston freight	6
multiple ducts	6
two feet	6
day work	6
shield advanced	6
general plan	6
large number	6
twenty feet	6
export trade	6
rock middle	6
eastern end	6
six per	6
unfinished portion	6
hoisting engines	6
heavy traffic	6
rubble masonry	6
whole line	6
drilling machines	6
short time	6
cents per	6
two million	6
linear feet	6
leading end	6
shall receive	6
yellow pine	6
average force	6
thirty per	6
tunnels east	6
per square	6
ph oe	6
shall become	6
ground encountered	6
end heading	6
july th	6
satisfactory evidence	6
heavy iron	6
pressure compressor	6
iron workers	6
freight yard	6
grand trunk	6
heading sept	5
state ownership	5
block lagging	5
one year	5
work included	5
built without	5
monthly estimates	5
general laws	5
heading mar	5
speedy completion	5
trustees shall	5
general way	5
railroad leading	5
underground portions	5
water used	5
tunnel company	5
land damages	5
whole gang	5
rails shall	5
plate xxxv	5
part ave	5
pushing back	5
standard section	5
evidence shall	5
cut sections	5
one power	5
surface transport	5
iron company	5
lower ft	5
three feet	5
building tunnel	5
payments made	5
lowest point	5
weehawken tunnels	5
shield jacks	5
three days	5
four months	5
external diameter	5
heading jan	5
two single	5
eighteen feet	5
important part	5
twisted rods	5
axis level	5
per thousand	5
became necessary	5
treasurer shall	5
sliding hoods	5
facing mixture	5
large proportion	5
tunnel sections	5
single tunnels	5
rock packing	5
railroad station	5
assistant engineers	5
several kinds	5
station building	5
per lineal	5
erector ram	5
whole state	5
east rivers	5
industrial interests	5
south side	5
detailed description	5
erecting iron	5
approved april	5
working chambers	5
issue scrip	5
bag batch	5
one corporation	5
upper platform	5
extension project	5
road shall	5
running yard	5
tube tunnels	5
year eighteen	5
voids outside	5
first ring	5
increased cost	5
take possession	5
also voted	5
england states	5
large quantities	5
total amount	5
railroad shall	5
reinforced concrete	5
twenty years	5
transportation problem	5
hydraulic jacks	5
york shield	5
new hampshire	5
just east	5
south tunnels	5
previously mentioned	5
iron tube	5
field engineering	5
island shields	5
completed previously	5
tunneling shields	5
cable conduits	5
blackwall tunnel	5
original design	5
hoisting apparatus	5
cubic per	5
excavating ahead	5
grout ejected	5
lost time	5
half feet	5
views showing	5
water pressure	5
machine shop	5
freight terminal	5
railroad facilities	5
clay blanket	5
placing concrete	5
river front	5
second section	5
erector runner	5
road west	5
small gang	5
working compartments	5
almost entirely	5
steel ring	5
track system	5
bore segment	5
unit unit	5
bench walls	5
tenth avenues	5
considerable portion	5
large amount	5
full section	5
cover section	5
two parts	5
hundred horse	5
three quarters	5
minority bill	5
survey lines	5
burleigh machine	5
least ft	5
corporate management	5
surface transportation	5
permanent cast	5
due regard	5
general manager	5
railroad traffic	5
short posts	5
steel plates	5
street pier	5
various kinds	5
year one	5
within ft	5
may hereafter	5
june st	5
west shore	5
westerly side	5
already described	5
retaining wall	5
shall pay	5
hydraulic fittings	5
operations involved	5
neat cement	5
test holes	5
like manner	5
earth section	5
heavy ground	5
section gy	5
permanent bench	5
horizontal diameter	5
time required	5
payable semi	5
connecting roads	5
dollars shall	5
per barrel	5
trench mica	4
point ft	4
radial joint	4
western shaft	4
greater portion	4
square twisted	4
general supervision	4
rod reinforcement	4
work stopped	4
second bulkhead	4
heading july	4
transit railroad	4
foremen foremen	4
union nut	4
laying concrete	4
railroad line	4
entire length	4
various points	4
doors open	4
will now	4
six millions	4
assistant tunnel	4
pennsylvania system	4
freezing process	4
state trustees	4
electric traction	4
grout holes	4
direct line	4
avenue eastward	4
personal credit	4
tunnel passes	4
general account	4
great work	4
detailed records	4
middle drain	4
within three	4
house plant	4
feet distant	4
million seven	4
bird says	4
common shanties	4
introductory paper	4
manhattan shield	4
might occur	4
connecticut river	4
united engineering	4
mixed face	4
materials used	4
rock tunnel	4
last named	4
great state	4
north manhattan	4
pushed back	4
driving shield	4
pile met	4
earth excavation	4
depot buildings	4
circumferential flanges	4
moved ahead	4
reaching new	4
tunnel center	4
carried forward	4
plate xliii	4
leg derricks	4
tion lost	4
tightening bolts	4
inch pipe	4
state bonds	4
steam shovels	4
different kinds	4
succeeding papers	4
west shafts	4
yards cubic	4
without timbering	4
open material	4
water pumps	4
county commissioners	4
trap rock	4
plate lxvi	4
permanent timbering	4
following table	4
excavation partially	4
soft rock	4
running order	4
per running	4
plate lxiii	4
ft ft	4
will probably	4
previously referred	4
faithful performance	4
terminal yard	4
air line	4
beam ties	4
minority report	4
bench method	4
thirty thousand	4
manhattan island	4
reserved fund	4
final lines	4
opposite sides	4
mining cars	4
corporation may	4
spiral groove	4
twenty miles	4
mucking tion	4
rock going	4
temporary timbering	4
second avenue	4
working pressure	4
annual meeting	4
many places	4
consulting engineer	4
shaft sump	4
fixed hood	4
european tunnels	4
plate headings	4
cut section	4
plate xiv	4
plate lxvii	4
vertical diameter	4
grout pipe	4
rated capacity	4
ring taken	4
northern railroad	4
successful operation	4
grout hole	4
electric cables	4
commissioners appointed	4
low water	4
rock bench	4
political corruption	4
every share	4
driven ahead	4
base line	4
retaining walls	4
per perch	4
caulking groove	4
dumping buckets	4
weight weight	4
station lin	4
mean low	4
manufactured goods	4
four shields	4
storrow says	4
date thereof	4
eighth avenue	4
including bolting	4
earth soft	4
upper floor	4
air lock	4
six miles	4
ten miles	4
without breaking	4
sized tunnel	4
shall forthwith	4
time hrs	4
also shown	4
fixed hoods	4
continued efforts	4
machinery west	4
tunnel cars	4
railway company	4
brick masonry	4
street shaft	4
fund shall	4
electric motors	4
march st	4
items hrs	4
belt conveyor	4
shoving shield	4
per bent	4
two rows	4
circumferential reinforcement	4
cement mortar	4
new design	4
erection labor	4
loading platform	4
actual amount	4
sized single	4
second delivery	4
cubic mucking	4
full rock	4
january st	4
legislature may	4
day general	4
tunnel enterprise	4
time within	4
muck cars	4
fowler warehouse	4
crushed stone	4
probable cost	4
per per	4
oe nixville	4
hackensack portal	4
eight inches	4
hydraulic pressure	4
heading advanced	4
backward stroke	4
span twin	4
railroad managers	4
new route	4
preliminary headings	4
may elect	4
broken plate	4
general superintendent	4
local business	4
federal currency	4
full volume	4
september th	4
hackensack meadows	4
working gang	4
timber used	4
forward force	4
east line	4
station will	4
state pensioners	4
first bulkhead	4
soft clay	4
gy west	4
unconditional subscriptions	4
surface structures	4
shaft sites	4
nine feet	4
fixed extensions	4
railroad men	4
removing hood	4
engineer appointed	4
longitudinal reinforcement	4
great importance	4
short description	4
two months	4
plate lxv	4
hereinafter provided	4
henry cartwright	4
sliding extensions	4
maiden lane	4
exhaust valves	4
month date	4
square foot	4
general type	4
cut work	4
exceeding five	4
rolling stock	4
neat line	4
shall bear	4
half way	4
connected therewith	4
high tide	4
cement used	4
lease shall	4
trailing platform	4
lost total	4
vertical leads	4
general resident	4
set forth	4
earth poling	4
total per	4
harrison transfer	4
th avenue	4
different times	4
brick arches	4
vertical breast	4
required timbering	4
able report	4
new lines	4
seventy thousand	4
boards braced	4
four thousand	4
glendale cut	4
three times	4
st street	4
large enough	4
tar pitch	4
storage bins	4
mountain barrier	4
four times	4
samuel rea	4
monthly progress	4
steam railroad	4
bulkhead walls	4
total force	4
per drill	4
contiguous road	4
steam cylinder	4
high vertical	4
top full	4
memoir prepared	4
plate xli	4
foot per	4
plate ix	4
muck taken	4
almost every	4
making boston	4
plant running	4
trunk lines	4
governor andrew	4
greenfield corporation	4
general scheme	4
boston via	4
total items	4
avenue plant	4
fifteen years	4
chief assistant	4
inner edge	4
pocket iron	4
timber trestle	4
ring yard	4
civil engineering	4
schist center	4
heading dec	4
per yd	4
structural steel	4
seven hundred	4
splicing chambers	4
distance east	4
deemed necessary	3
elevated railroad	3
first used	3
full height	3
cost records	3
fairly try	3
hand drilling	3
bolted together	3
par value	3
form carriages	3
cameron pumps	3
narrow limits	3
engine oil	3
competing lines	3
york district	3
time tunnel	3
fifty cents	3
liberal policy	3
half mile	3
let us	3
upper bent	3
hydraulic power	3
finally decided	3
next day	3
joint standing	3
within ten	3
one foreman	3
transverse bulkhead	3
much easier	3
rate per	3
working platform	3
feet deep	3
ground within	3
dumped directly	3
way duct	3
four single	3
broken stone	3
steam engine	3
mechanical ventilation	3
gates machine	3
four drills	3
partly constructed	3
five courses	3
lineal yard	3
time mr	3
ten days	3
great expense	3
south caisson	3
total total	3
plate xxxix	3
frequent intervals	3
chief engineers	3
great trunk	3
herman haupt	3
hours min	3
power pumps	3
nearly completed	3
vehicular traffic	3
entire road	3
transfer station	3
fill vacancies	3
date timber	3
concrete cars	3
average amount	3
rock disappeared	3
great extent	3
circumferential joint	3
domestic trade	3
railroad across	3
finished excavation	3
sound rock	3
correct abuses	3
lower bent	3
freight house	3
hardly necessary	3
plate xxxii	3
rock face	3
tunnels driven	3
rings containing	3
duct laying	3
dollars authorized	3
pier lines	3
rodding mandrel	3
forward ends	3
may deem	3
plate xxx	3
power conduits	3
wire rope	3
york contracting	3
steel lining	3
low pressure	3
somewhat less	3
beyond doubt	3
next fifteen	3
station west	3
drift excavated	3
local traffic	3
th day	3
meeting duly	3
progress attained	3
yard tunnel	3
state will	3
tunnel inspectors	3
tunnel might	3
station site	3
th streets	3
small cameron	3
whole period	3
analyzed cost	3
third house	3
original contract	3
two main	3
maximum speed	3
two bottom	3
timber work	3
electric generators	3
took possession	3
manhattan borough	3
northerly line	3
may fill	3
first pair	3
one point	3
east th	3
madison avenue	3
annual report	3
much greater	3
direct tunnel	3
eleven segments	3
paper mill	3
rental equal	3
two segments	3
independent line	3
one plant	3
directly chargeable	3
simultaneous blasting	3
hoisting engine	3
net income	3
leased railroad	3
popular feeling	3
house document	3
annular space	3
first step	3
south manhattan	3
two steam	3
fifteen hundred	3
thirty miles	3
general charge	3
mixing plant	3
fair share	3
will render	3
first ten	3
contract plans	3
net weight	3
shoved ahead	3
loose rock	3
previous paper	3
fifteen feet	3
excavated materials	3
serrell co	3
cut feb	3
holes drilled	3
stockholders thereof	3
tunnel segments	3
paid prior	3
plate heading	3
concrete form	3
council may	3
thousand shares	3
one face	3
within five	3
steel rails	3
vent pipes	3
rather wet	3
main features	3
soon found	3
cubic run	3
different sections	3
packed stone	3
general labor	3
serious difficulties	3
herbert deans	3
delivery thereof	3
excessive loss	3
railroad trains	3
will undoubtedly	3
firm material	3
plate vii	3
temporary shaft	3
charles herbert	3
map showing	3
min hrs	3
reading railroad	3
center compartments	3
air required	3
local conditions	3
thousand four	3
driven eastward	3
feet inches	3
contiguous railroad	3
aforesaid shall	3
engineer assistant	3
entire scheme	3
thence running	3
engineer shall	3
two instances	3
shield work	3
live load	3
easterly side	3
raker bench	3
morton street	3
western side	3
two shifts	3
preliminary borings	3
amount equal	3
pocketless iron	3
last three	3
bad ground	3
following prices	3
sump segments	3
new haven	3
air cylinder	3
five days	3
total number	3
traffic capacity	3
sharp curves	3
fifty miles	3
patrick fitzgerald	3
equal rights	3
remaining excavation	3
double tunnel	3
average per	3
good rock	3
day per	3
business center	3
pile supports	3
cement warehouses	3
bench forms	3
one store	3
shall deliver	3
face forms	3
arch concrete	3
river gas	3
pneumatic drills	3
william meier	3
work required	3
fifty dollars	3
several occasions	3
side trees	3
may well	3
several months	3
longitudinal section	3
extra heavy	3
hydraulic erector	3
within half	3
present year	3
english lime	3
adams railroad	3
ending december	3
iron without	3
grade line	3
manner described	3
two separate	3
tunnels begun	3
duct feet	3
transverse polings	3
two electric	3
short length	3
gauge track	3
oil used	3
partially completed	3
railroad management	3
general methods	3
good faith	3
plate xxxviii	3
third section	3
neat lines	3
month assistant	3
undisturbed material	3
first removed	3
broken segments	3
cars standing	3
lamson goodnow	3
field staff	3
commercial interests	3
november st	3
standing committee	3
stock subscription	3
baldwin avenue	3
months ending	3
excavation center	3
railroads reaching	3
general arrangement	3
rods used	3
lining castings	3
various types	3
great cost	3
sixth chapter	3
typical sections	3
obtained permission	3
end enlargement	3
final rodding	3
incorporated member	3
varied greatly	3
dividing wall	3
four cylinders	3
dimensions fourteen	3
subaqueous shield	3
concrete wall	3
much better	3
town movement	3
saw cuts	3
see appendix	3
two points	3
date month	3
shield showing	3
yearly rental	3
hard material	3
executive council	3
passenger trains	3
first driven	3
explosive agent	3
thirty dollars	3
consolidated company	3
curve substituted	3
thought best	3
different methods	3
wet sand	3
various parts	3
one operation	3
two compressors	3
cut excavation	3
promptly handed	3
ke may	3
business transactions	3
inside expenditures	3
two columns	3
arch forms	3
common powder	3
easterly end	3
heading timbered	3
state house	3
harrison yard	3
back end	3
natural terminus	3
exclusively appropriated	3
exporting city	3
hundred men	3
close contact	3
good results	3
feed pumps	3
borne commerce	3
state shall	3
lines leading	3
direct communication	3
without pockets	3
tunnel legislation	3
shall certify	3
general features	3
tappan wentworth	3
outside circumference	3
overlying material	3
inches stroke	3
streets opposite	3
always kept	3
red lead	3
forward end	3
every effort	3
first part	3
escaping air	3
west supplementary	3
built across	3
feet drilled	3
private corporations	3
sectional sliding	3
great difficulty	3
hundred miles	3
ransome mixers	3
continuous railroad	3
bolts grummeted	3
average length	3
used per	3
home market	3
steel without	3
weehawken land	3
low tide	3
public service	3
nine miles	3
bore plug	3
plate viii	3
directly connected	3
bill provides	3
thomas doane	3
boston advertiser	3
surface labor	3
easily handled	3
traffic facilities	3
long time	3
dear sir	3
another paper	3
large volume	3
drill steel	3
raw material	3
excavation done	3
gates drill	3
city shafts	3
pilot tunnel	3
northern massachusetts	3
gauge railway	3
bench aug	3
appointed chief	3
political influence	3
plug cover	3
total penetration	3
hereby appropriated	3
soon became	3
manual laborers	3
pulled forward	3
without delay	3
temporary platform	3
give access	3
recent years	3
hill tunnel	3
ko may	3
lower platform	3
overhead platform	3
passed april	3
will go	3
great britain	3
last fall	3
one mile	3
special construction	3
shall also	3
bad rock	3
averaged lb	3
john fiske	3
dam across	3
fifty feet	3
enough air	3
face walls	3
one trustee	3
street tunnels	3
proposed tunnel	3
ordinary pocketless	3
hereby repealed	3
shall hold	3
remedy defects	3
survey stations	3
duct ft	3
passenger track	3
line will	3
degree curves	3
entire width	3
long enough	3
tunnel north	3
manhattan tunnel	3
pile bore	3
elevated railway	3
light charges	3
general view	3
sliding hood	3
weehawken rock	3
dredging plane	3
december st	3
iron rings	3
assumed center	3
station yard	3
two days	3
adjacent buildings	3
full depth	3
bottom lift	3
permanent work	3
figures relating	3
six pounds	3
labor cost	3
extended westward	3
fiske barnard	3
one element	3
main items	3
six years	3
deem expedient	3
twenty dollars	3
ordinary railroad	3
entirely satisfactory	3
thence eastward	3
enforce requirements	3
iron segments	3
two short	3
proper management	3
plan showing	3
light iron	3
technical training	3
reference type	3
iron section	3
passed july	3
per ft	3
described elsewhere	3
purpose shall	3
timbering face	3
nearly three	3
will come	3
became evident	3
tunnels near	3
seventh avenues	3
demands made	3
master mechanic	3
whole force	3
two directors	3
shall annually	3
little doubt	3
street lines	3
reasonable manner	3
lower portion	3
steel rod	3
tunnel route	3
inner edges	3
tunnel westward	3
real estate	3
will follow	3
removal labor	3
natural cover	3
plate lxxi	3
whole thereof	3
release valve	3
equal amount	3
main line	3
transit subway	3
great public	3
air supply	3
tunnel transportation	3
shall sell	3
fourth avenue	3
small shaft	3
salt water	3
bench total	3
west heading	3
compressor plant	3
plate xxix	3
water per	3
plate lxxii	3
crown level	3
pump chambers	3
heavy type	3
hoist engineer	3
without great	3
ki may	3
scrip delivered	3
drills mounted	3
manhattan ledge	3
cotton duck	3
two pieces	3
direct connection	3
size sufficient	3
massachusetts railroads	3
tons per	3
good idea	3
tunnels extending	3
total quantity	3
steel beams	3
railroad policy	3
much less	3
island side	3
standard cross	3
circumferential flange	3
made without	3
west portal	3
seven dollars	3
form part	3
shall consist	3
upper surface	3
simple matter	3
called section	3
main divisions	3
several towns	2
railroad iron	2
minimum height	2
great purpose	2
heavy drilling	2
state furnishes	2
brought together	2
side polings	2
dollars subscribed	2
floor template	2
level track	2
large numbers	2
wall forms	2
causeway street	2
entire work	2
thomson avenue	2
entirely stopped	2
perforating machines	2
practical knowledge	2
shows one	2
city will	2
four faces	2
much water	2
shield rams	2
poor rock	2
direct current	2
long posts	2
new one	2
rust joints	2
duct steps	2
aggregate length	2
men working	2
rock dividing	2
great commercial	2
bay sand	2
one month	2
third avenue	2
surface railway	2
water enough	2
lagging used	2
important question	2
freight station	2
bill reported	2
york land	2
hydraulic screwing	2
building cross	2
good deal	2
erie railroads	2
electric shunt	2
preceding section	2
minimum quantity	2
timber staging	2
stillman company	2
rock cutting	2
another ring	2
gang handled	2
perpetual control	2
treacherous nature	2
coarse sand	2
western freight	2
annual salary	2
twisted steel	2
several places	2
head trees	2
first put	2
modern high	2
greatly enlarged	2
continuous line	2
total timber	2
railroad development	2
iron linings	2
eight per	2
second vice	2
charles river	2
five horses	2
double cottage	2
work shall	2
side bench	2
upper portion	2
obtained subscriptions	2
building concrete	2
diagram showing	2
many important	2
also prepared	2
machinery central	2
bore plugs	2
minor modifications	2
four competing	2
riveted steel	2
straight line	2
equal signs	2
increased progress	2
two shields	2
length average	2
helping hand	2
summit avenue	2
directors also	2
spoil buckets	2
one pier	2
track conduits	2
former acts	2
business manager	2
cow bay	2
thoroughly grouted	2
piston moves	2
legal right	2
muck buckets	2
may fairly	2
general considerations	2
additional borings	2
without removing	2
proved entirely	2
large terminal	2
without taking	2
exceeding fifty	2
laborers watchmen	2
shield repairs	2
bulkhead removed	2
piles piles	2
natural part	2
shall prescribe	2
small forms	2
block laggings	2
shield parts	2
storrow visited	2
borings made	2
certify separately	2
medical officer	2
one line	2
grout machine	2
tons capacity	2
air without	2
points west	2
must lie	2
thorough ventilation	2
shoreward side	2
contract company	2
complete fittings	2
total expenditure	2
tension ducts	2
upper plates	2
fully completed	2
permanent plant	2
avenue shaft	2
one witness	2
doors closed	2
longitudinal flange	2
six layers	2
adequate facilities	2
unnecessary delay	2
masonry retaining	2
assistant store	2
steel segments	2
substitute bonds	2
heavy segments	2
average quantity	2
early completion	2
posts resting	2
protracted discussion	2
pay one	2
vote passed	2
adams bank	2
prime cost	2
middle wall	2
contract price	2
per cost	2
ring erected	2
intelligent reader	2
construct tunnels	2
soundings showed	2
general elevation	2
completed work	2
company lying	2
companies interested	2
mining methods	2
box frame	2
resistless torrents	2
secure efficiency	2
excavated ahead	2
satisfactory results	2
alps tunnel	2
iron men	2
shield began	2
steel side	2
thirds vote	2
pipes built	2
two lifts	2
successful working	2
telegraph ducts	2
old foundry	2
top ft	2
raise money	2
paul hill	2
machinery general	2
via albany	2
chief tunnel	2
gas pipes	2
plate xl	2
arch rings	2
nearly six	2
years hence	2
fully described	2
first set	2
whole loan	2
railroad bridge	2
platforms will	2
determining monthly	2
naturally appoint	2
eight degree	2
within seven	2
main form	2
twin twin	2
description will	2
materials furnished	2
rock reef	2
concrete work	2
heading driven	2
proposed shield	2
furnish air	2
pressure varied	2
transport gang	2
actual construction	2
central station	2
extended beyond	2
tunnel scheme	2
still standing	2
port morris	2
lower elevation	2
large voids	2
head line	2
extended investigation	2
final estimates	2
much rock	2
personal interest	2
bound track	2
conflicting opinions	2
city terminal	2
rods embedded	2
shall withhold	2
scheme adopted	2
side drains	2
five members	2
way conduits	2
required leads	2
passing around	2
moved forward	2
laid april	2
western traffic	2
shield erection	2
full complement	2
heavy brick	2
cut away	2
good many	2
transfer yard	2
cut near	2
take care	2
mechanical haulage	2
manhattan will	2
harrington farm	2
president since	2
general shall	2
screw plug	2
river silt	2
railroad officers	2
five cross	2
blade ft	2
contract june	2
shop containing	2
completed twenty	2
january th	2
comparatively easy	2
railroad purposes	2
two drifts	2
fully realized	2
coupling nuts	2
trestle used	2
transit passenger	2
cheaper rate	2
rapid railroad	2
arch later	2
short section	2
cooling surface	2
landward side	2
ditch boxes	2
steel patch	2
entire construction	2
top center	2
constructed without	2
conditions authorized	2
oe nix	2
shield forward	2
men employed	2
air compressed	2
present session	2
much lower	2
legislature authorized	2
dollars annually	2
disinterested hands	2
many cases	2
least equal	2
subsequent career	2
hours per	2
steam plant	2
first contract	2
shall make	2
also required	2
schist bench	2
total material	2
dumping mixers	2
square leather	2
near first	2
original plans	2
five dollars	2
reader will	2
face method	2
will contain	2
married miss	2
intimate relations	2
lower one	2
lake navigation	2
sundry assessments	2
took hours	2
amount due	2
increased expenditures	2
general outline	2
showing method	2
hoosac river	2
near east	2
great bulk	2
varying character	2
surface inspectors	2
first described	2
inner waters	2
five million	2
three low	2
air escaping	2
reserved annually	2
proportionate amount	2
open joints	2
far less	2
western states	2
vitrified conduits	2
air passed	2
duplex pump	2
large sums	2
without repairs	2
heading quartz	2
sum equal	2
street open	2
brass plugs	2
cenis tunnel	2
nevertheless true	2
general average	2
materials passed	2
shift hoist	2
platform rams	2
public schools	2
continued without	2
company becomes	2
shall visit	2
intimate acquaintance	2
engineering operations	2
tunnel terminal	2
total area	2
also provided	2
completely excavated	2
new contract	2
narrowed twin	2
mixed middle	2
foregoing figures	2
contract drawings	2
made water	2
outside expenditures	2
office engineer	2
first type	2
mechanical engineer	2
exhaust steam	2
first work	2
new location	2
line west	2
strenuous opposition	2
arch form	2
town outlet	2
equivalent pressure	2
years without	2
track railroad	2
smooth surface	2
york harbor	2
three rings	2
natural cement	2
careful consideration	2
facilities connected	2
amount expended	2
carefully made	2
near newark	2
street traffic	2
four dollars	2
henry japp	2
shaft sunk	2
showing proposed	2
trestle work	2
preceding estimate	2
say nothing	2
careful handling	2
thence along	2
short sections	2
train service	2
rust borings	2
work just	2
whole height	2
three sections	2
conduit trench	2
murray hill	2
well advanced	2
public money	2
three hydraulic	2
relative positions	2
laws passed	2
situated within	2
coupons attached	2
blocking placed	2
arch ribs	2
properly care	2
considerable settlement	2
front ends	2
final acceptance	2
now part	2
center drain	2
river side	2
slide back	2
sliding joints	2
tunnel per	2
tunnel south	2
much trouble	2
ground surface	2
still greater	2
machines broken	2
transportation facilities	2
floor level	2
obtained therefore	2
engineering organization	2
bound traffic	2
cenis drill	2
serrell resigned	2
wall met	2
within four	2
clay composed	2
gravel section	2
tidal oscillation	2
back pressure	2
test oil	2
two faces	2
one additional	2
surveys ordered	2
blake manufacturing	2
every railroad	2
also high	2
led back	2
reinforcement consists	2
alleged danger	2
leased roads	2
drilling machine	2
practically finished	2
present condition	2
standard height	2
payments required	2
center wall	2
paving brick	2
linear linear	2
moved along	2
sliding inside	2
corporate stock	2
minimum rental	2
first connection	2
every point	2
seven feet	2
useful information	2
crusher stone	2
vertical jack	2
track section	2
found advisable	2
foregoing statement	2
first pile	2
steel cutting	2
carefully worked	2
western one	2
office staff	2
great tunnel	2
transfer across	2
freight depot	2
methods adopted	2
additional track	2
considerable loss	2
railroad loan	2
plant finally	2
eight horse	2
breaking bulk	2
ratchet drive	2
vitrified earthenware	2
thousand five	2
greenville freight	2
senate document	2
damages incurred	2
north rivers	2
hole drilled	2
nashua railroad	2
railroad charter	2
single friction	2
manhattan beach	2
mile ascending	2
might arise	2
whole power	2
combined capacity	2
removing obstructions	2
within one	2
original intention	2
also president	2
first plate	2
city within	2
powerful corporation	2
leg derrick	2
chief points	2
contractor found	2
grand central	2
bottom jacks	2
bottom plates	2
engineering contract	2
warehouse foundation	2
freight facilities	2
main header	2
flat span	2
general organization	2
shall locate	2
sum required	2
george gibbs	2
machine per	2
mechanical analysis	2
first lock	2
pennsylvania company	2
first meeting	2
ram moving	2
standard cast	2
estimates shall	2
high rates	2
two types	2
ablest railroad	2
signalmen muckers	2
height permissible	2
also made	2
gy east	2
manner provided	2
construction purposes	2
thick stream	2
working exclusively	2
rodding single	2
two steel	2
business shall	2
iron built	2
manner similar	2
approach cut	2
work progressed	2
hollow piston	2
single erector	2
pile bores	2
top lift	2
open sand	2
new facilities	2
easy access	2
deeply interested	2
york railroad	2
neighboring buildings	2
must continue	2
water entering	2
eight years	2
rock surfaces	2
railroad scheme	2
state line	2
grading three	2
contract lines	2
various railroad	2
waste paper	2
disintegrated rock	2
parts received	2
detailed cost	2
seven jacks	2
drill shift	2
per acre	2
provide equipment	2
central wall	2
acts inconsistent	2
passenger service	2
make soundings	2
damage done	2
much larger	2
public expenditure	2
tunnels will	2
pearson contract	2
associate member	2
lamps used	2
shield diaphragm	2
built around	2
great railroad	2
general design	2
gustav lindenthal	2
water boys	2
longitudinal key	2
red sand	2
machinery deerfield	2
two additional	2
full use	2
form used	2
died february	2
two sets	2
suitable persons	2
cost less	2
roof bars	2
good condition	2
every senator	2
general court	2
extending westward	2
manufacturing company	2
street extended	2
station area	2
segmental bents	2
contracting firm	2
survey station	2
showing condition	2
great variety	2
four shafts	2
amazing folly	2
many difficulties	2
annually passed	2
laborers loading	2
will equal	2
vermont central	2
five shafts	2
national work	2
sufficient detail	2
thereof shall	2
miles west	2
inner bent	2
gave good	2
boat service	2
following words	2
charles woodbury	2
whole subject	2
make money	2
last two	2
will cost	2
center medium	2
two pumps	2
state printers	2
concrete forms	2
years since	2
lias lime	2
traffic will	2
avenue structures	2
contract may	2
state must	2
cincinnati southern	2
half millions	2
telegraph cables	2
complete ring	2
private capital	2
closing open	2
will show	2
center soft	2
previously noted	2
concrete back	2
eminent engineers	2
terminal improvement	2
seven layers	2
good ground	2
greenfield road	2
supply air	2
may prove	2
per man	2
shoved together	2
three gentlemen	2
charter contains	2
ruling type	2
shaft elevator	2
side benches	2
concrete cradles	2
special forms	2
hoist engineers	2
much higher	2
recording clerk	2
well understood	2
yards placed	2
mixed ground	2
inventive genius	2
soft mud	2
land section	2
equal quantity	2
bottom compartment	2
leading ring	2
weehawken shield	2
excavation proceeded	2
iron may	2
permanently closed	2
shown graphically	2
plate xxviii	2
skin plates	2
shields broke	2
plans contemplated	2
working one	2
common term	2
transit trains	2
intelligent man	2
timber trestles	2
iron delivered	2
albany board	2
mechanical draftsman	2
various pieces	2
greenfield route	2
italian engineers	2
deceased members	2
without changing	2
convenient point	2
york state	2
amount named	2
much decayed	2
built within	2
badly broken	2
operations connected	2
showing complete	2
will increase	2
dated june	2
circumferential rods	2
various divisions	2
atrocious swindle	2
tunnel commissioners	2
corporations whose	2
adjustable arms	2
avenue elevated	2
fifteen miles	2
overhead conductor	2
station construction	2
dated january	2
direct rail	2
skilful commissioners	2
state assumed	2
compressor running	2
thirty days	2
certain towns	2
rapidly advanced	2
maximum resistance	2
passengers will	2
railroads leading	2
contractor furnished	2
albany railroad	2
railroad extension	2
freight agents	2
turbine wheels	2
assistant superintendent	2
elevated railroads	2
french territory	2
whether mr	2
fresh air	2
forty feet	2
chapter one	2
deans entered	2
terms following	2
way connected	2
whose duty	2
drill holes	2
special meeting	2
south passenger	2
tunnel tunnel	2
typical tunnel	2
three residencies	2
upper gallery	2
work adopted	2
proper quantities	2
per powder	2
james forgie	2
town station	2
amount put	2
new avenue	2
eight weeks	2
plate iv	2
panels ft	2
brass bar	2
crayon sketch	2
greatest care	2
austin street	2
constructed within	2
current year	2
arrangement shown	2
brief account	2
uniform thickness	2
one director	2
took min	2
now receiving	2
transit subways	2
next four	2
segments fig	2
trustee shall	2
franchise granted	2
cars shown	2
many years	2
still exist	2
unloading iron	2
excavation east	2
feet east	2
bound cars	2
two ends	2
subaqueous tunneling	2
respective divisions	2
rockaway beach	2
manufacturing interest	2
great measure	2
western end	2
pocketless type	2
containing two	2
man per	2
also authorized	2
first two	2
two portions	2
track construction	2
concrete arches	2
needed timbering	2
descending grade	2
transverse section	2
massachusetts alone	2
felt throughout	2
manhattan crossing	2
three pieces	2
air shortage	2
freight yards	2
conditions met	2
heretofore made	2
cement inspector	2
principal sum	2
restricted area	2
air plant	2
road near	2
annual payments	2
also drilled	2
concrete inside	2
sections gy	2
lidgerwood boiler	2
silt displaced	2
adjoining plates	2
hudson schist	2
may accrue	2
new requirements	2
shore line	2
corporation surrendered	2