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
per cent	1351
united states	640
nitric acid	479
hydrochloric acid	411
sulphuric acid	324
feet long	274
per ton	195
sulphuretted hydrogen	183
mineral resources	167
igneous rocks	160
iron ores	145
th th	139
two feet	135
two palms	133
iron ore	127
mineral deposits	126
three palms	126
one hundred	121
geologic features	117
see also	115
three feet	113
th century	112
specific gravity	112
two digits	110
de re	108
re metallica	106
liquation cakes	105
economic features	104
federation board	103
long wall	99
copper ores	99
acetic acid	97
carbonic acid	97
digits wide	96
small quantities	96
see note	96
standard solution	95
feet high	95
three digits	94
four feet	93
dilute hydrochloric	92
feet wide	91
mr crawford	90
six feet	90
chief inspector	84
great britain	80
ore bodies	79
organic matter	78
de natura	78
five feet	77
lower end	76
acid solution	76
years ago	75
silver nitrate	75
per day	75
one foot	74
new york	74
will give	72
upper part	72
lake superior	72
large quantities	71
hot water	68
one part	66
executive committee	66
took place	66
carbon dioxide	65
silver ores	65
cubic feet	64
one side	64
dilute ammonia	62
dilute sulphuric	62
palms long	62
nine hundred	61
half feet	61
aqua regia	60
gravimetric determination	60
natura fossilium	59
stannous chloride	58
large number	58
small quantity	57
sodium acetate	57
many cases	57
common salt	56
hundred feet	56
dry assay	56
economic geology	56
two hundred	56
sliding scale	55
upper end	55
one end	55
general code	54
china clay	54
dilute nitric	54
geological survey	54
joint committee	53
potassium iodide	53
recent years	53
handsome cloth	53
exhausted liquation	52
red lead	52
will contain	51
council meeting	51
eight hours	51
large amount	51
ferric oxide	50
vertical shaft	50
distilled water	50
south africa	50
ore deposits	49
digits long	49
mining journal	49
zinc ores	49
china clays	48
iron plate	48
digit thick	48
sedimentary rocks	48
baric chloride	48
red heat	48
ores economic	48
digits thick	47
features geologic	47
general contents	47
three times	47
gold ores	47
many years	47
much less	46
let us	46
palm wide	45
palms wide	45
long time	44
solution containing	44
ferric chloride	44
foot wide	43
large part	42
potassium cyanide	42
silver mines	42
second edition	42
large vo	42
cold water	42
small amount	42
cupellation furnace	41
chloride solution	41
finishing point	41
eight feet	41
south wales	41
lead alloy	40
assay solution	40
mineral products	40
ferrous sulphate	40
laws relating	40
precious metals	40
de ortu	40
vena profunda	40
feet thick	39
pass sulphuretted	39
bituminous coal	39
feet deep	39
solidified juices	39
water may	39
common rocks	39
powdered ore	39
new zealand	39
two kinds	39
twelve feet	38
cubic foot	38
ebbw vale	38
cents per	38
lead ores	38
also used	38
one time	38
industrial commission	38
south america	38
lead ore	38
surface waters	38
greater part	38
lower part	37
transverse wall	37
copper ore	37
blast furnace	37
well known	37
district inspector	37
many digits	36
black tin	36
first place	36
little water	36
crown vo	36
taken place	36
conciliation board	36
working place	36
copper plates	36
second long	36
iron plates	35
sulphuric oxide	35
water flows	35
one another	35
base metals	35
large scale	35
will now	35
great deal	35
clay substance	35
ammonic chloride	35
copper deposits	35
reducing agent	35
chemical composition	35
slight excess	34
will probably	34
mining law	34
iron oxide	34
july th	34
take place	34
igneous rock	34
high temperature	34
two men	34
working costs	33
one libra	33
precious stones	33
following experiments	33
special council	33
large proportion	33
numerous illustrations	33
gold mines	33
take grams	33
antimony sulphide	33
vena dilatata	33
good deal	33
already described	33
gold may	32
durham coal	32
ten per	32
parting gold	32
broken ore	32
one palm	32
iron rod	32
uranium acetate	32
mining industry	32
ammonic carbonate	31
carried away	31
mineral resource	31
oil shales	31
right angles	31
small amounts	31
per pound	31
first edition	31
half per	31
stable manure	31
present time	31
water level	30
minor triangle	30
natural gas	30
fine tin	30
mining engineer	30
tungstic acid	30
underground water	30
one may	30
chloride required	30
even though	30
following resolution	30
alluvial gold	30
phosphoric oxide	30
may also	30
et causis	29
one man	29
ore body	29
compressed air	29
see pp	29
sodium chloride	29
six digits	29
three months	29
liquation thorns	29
large amounts	29
short time	29
ortu et	29
ferrous oxide	28
meeting held	28
caustic soda	28
metallic oxides	28
pure gold	28
large quantity	28
parts per	28
four times	28
domestic production	28
acid solutions	28
copper pyrites	28
per week	28
metal mines	28
following table	27
easily melt	27
ten years	27
broken rock	27
mining operations	27
two parts	27
fine sand	27
five per	27
coal measures	27
iron wire	27
certain amount	27
short ton	27
country rock	27
water supply	27
takes place	27
white arsenic	27
secondary enrichment	27
true clay	27
organic matters	27
per foot	27
may contain	27
hooked bar	27
one half	26
gold mining	26
third long	26
ores containing	26
average value	26
raw materials	26
ore may	26
will require	26
bunsen burner	26
vegetable matter	26
add grams	26
economic geologist	26
ten feet	26
schooling certificate	26
fixed carbon	26
oxide zone	26
sodic acetate	26
venae dilatatae	26
hours per	26
potassium solution	26
usual way	26
silver ore	26
palms thick	26
great importance	26
iron axle	26
following results	25
similar manner	25
longitudinal section	25
five years	25
blast furnaces	25
precious metal	25
one hand	25
grams grams	25
boiling water	25
volatile matter	25
per minute	25
divining rod	25
generally used	25
mine manager	25
closely related	25
development work	25
many places	25
bessemer process	25
relief fund	25
iron tools	25
three hundred	25
palm thick	25
ball clays	25
great depths	25
mining districts	24
will show	24
three centumpondia	24
phosphoric acid	24
much larger	24
plastic clays	24
industrial relations	24
various kinds	24
third edition	24
metallic particles	24
fixed charges	24
veteribus et	24
wooden handle	24
nine feet	24
metallic sulphides	24
per hour	24
half digits	24
see appendix	24
sodium carbonate	24
small stones	24
base metal	24
hypo required	24
gold ore	24
ore taken	24
de veteribus	24
add ammonia	24
new south	24
mining engineers	24
may become	24
wooden scrubber	24
novis metallis	24
digit wide	24
commercial importance	24
copper sulphate	24
et novis	24
will speak	24
following way	24
three days	23
equal parts	23
lesser weights	23
commercial value	23
evaporating dish	23
sulphurous acid	23
fine gold	23
mississippi valley	23
gram grams	23
permanganate required	23
mechanical efficiency	23
much greater	23
hundred dollars	23
ferrous iron	23
will find	23
th july	23
three parts	23
foot thick	23
tin ores	23
fifteen per	23
steel industry	23
five digits	23
person shall	23
mineral commodities	23
hot solutions	23
dried peat	23
blue colour	23
cubic yard	23
great variety	22
vertical shafts	22
copper mines	22
iron ring	22
mining men	22
much water	22
gas well	22
part ii	22
like manner	22
foot long	22
small pieces	22
one hour	22
mining property	22
secondary concentration	22
dry peat	22
toothed drum	22
will take	22
will explain	22
five dollars	22
present day	22
shall provide	22
mining company	22
largely used	22
strong sulphuric	22
four hours	22
cyanide solution	22
certain conditions	22
dilute acid	22
first time	22
coal mine	22
considerable quantities	22
general way	22
manganese ores	22
see page	22
brown colour	22
back part	22
fusion mixture	22
contact metamorphism	22
will serve	22
annual production	22
various minerals	21
ore will	21
water table	21
calcium carbonate	21
inches long	21
may remain	21
porcelain dish	21
historical note	21
seven feet	21
tons per	21
water power	21
coal trade	21
district inspectors	21
two years	21
pure silver	21
earthen crucible	21
higher temperature	21
fourth long	21
molten lead	21
ferric iron	21
experiments show	21
inches deep	21
middle ages	21
calcium chloride	21
many parts	21
valuable minerals	21
mining companies	21
finely divided	21
aqua valens	21
almost entirely	21
widely distributed	21
boric acid	21
nitrous fumes	21
upright posts	21
square miles	21
volumetric method	21
venae profundae	21
white precipitate	21
one digit	21
war conditions	21
german translation	21
iron bars	21
different kinds	20
working hours	20
first furnace	20
metamorphic cycle	20
ruby silver	20
auriferous quartz	20
illuminating purposes	20
may th	20
varying amounts	20
molten metal	20
solution will	20
will depend	20
dollars per	20
fifty feet	20
feet per	20
iron works	20
second furnace	20
joined together	20
twenty feet	20
iron sulphide	20
cubic yards	20
free acid	20
iron shovel	20
mineral substances	20
inches wide	20
wet methods	20
assay ton	20
magnesia mixture	20
warm water	20
also found	20
almost every	20
upper one	20
small proportion	20
varying temperature	20
three hours	20
taken away	20
tin ore	20
dried cakes	19
refining silver	19
one kind	19
de nat	19
salt solution	19
hydrofluoric acid	19
deposits formed	19
six months	19
superior region	19
ad valorem	19
ten days	19
rd th	19
superior iron	19
silver chloride	19
acid will	19
transverse walls	19
yard manure	19
copper smelting	19
open arbitration	19
working places	19
just described	19
water containing	19
may make	19
cut away	19
gold production	19
three quarters	19
following method	19
barium chloride	19
february th	19
already mentioned	19
present value	19
two hours	19
many different	19
always open	19
wrought iron	19
toothed wheel	19
will make	19
per cubic	19
grade ores	19
gold will	19
georgii agricolae	19
small iron	19
peace treaty	19
lead smelting	19
mineral industry	19
fine powder	19
palms high	19
argentiferous lead	19
mixed chlorides	19
bone ash	19
native silver	19
set free	19
four inches	19
dissolving grams	18
high grade	18
thousand feet	18
iron pyrites	18
another method	18
persons employed	18
principal vein	18
middle part	18
shall see	18
gram gram	18
selling price	18
usually found	18
miles long	18
first mention	18
one mine	18
iron bar	18
one gram	18
taking place	18
iron rods	18
pure state	18
natura eorum	18
will continue	18
iron formation	18
smaller quantities	18
capital outlay	18
platinum crucible	18
feed water	18
square inch	18
technical paper	18
georgius agricola	18
iron implement	18
great care	18
native copper	18
april th	18
coal dust	18
two librae	18
main vein	18
assay furnace	18
mine shall	18
oxidising agents	18
states geological	18
ten hours	18
good quality	18
international trade	18
old german	18
readily soluble	18
ten minutes	18
filter paper	18
de mensuris	18
iron minerals	18
raw material	18
feet distant	18
second cord	17
ore minerals	17
equal portions	17
geologic conditions	17
considerable amount	17
sometimes used	17
lower one	17
test tube	17
high temperatures	17
strong solution	17
will always	17
sometimes called	17
refractory clays	17
interest rate	17
almost invariably	17
zinc oxide	17
case may	17
first two	17
ordinary strake	17
coal mining	17
containing per	17
thirty feet	17
great expense	17
coal used	17
small piece	17
dissolve grams	17
sufficient quantity	17
gold deposits	17
will yield	17
twenty per	17
iron band	17
much silver	17
great quantity	17
ore must	17
coarse sand	17
insoluble residue	17
november th	17
yellow colour	17
solution must	17
new jersey	17
mine valuation	17
set forth	17
chain pumps	17
five hundred	17
brought forward	17
lead sulphate	17
right side	17
almost impossible	17
combined water	17
title page	17
general rule	17
many men	17
per acre	17
zinc sulphate	17
take effect	17
mr patterson	17
copper bottoms	17
varying bulk	17
quartz veins	17
german terms	17
either side	16
thoroughly revised	16
lead may	16
volumetric determination	16
silver glance	16
many mines	16
cast iron	16
platinum dish	16
chapter ii	16
important part	16
dilute solution	16
cupellation loss	16
low grade	16
british association	16
care must	16
ferric hydrate	16
slaked lime	16
now speak	16
strong hydrochloric	16
wall rocks	16
january th	16
third furnace	16
fine coal	16
may take	16
mixed together	16
yellow precipitate	16
nd rd	16
lower ends	16
one place	16
square root	16
many times	16
inclined deposits	16
heating power	16
equal volume	16
fresh peat	16
foreign salts	16
june th	16
upper chamber	16
various methods	16
may come	16
lead will	16
gold dust	16
hard cakes	16
cuprous oxide	16
et ponderibus	16
various parts	16
upper board	16
book vii	16
added gram	16
red hot	16
christian era	16
hot springs	16
furnace accretions	16
work will	16
water will	16
secondary sulphide	16
mensuris et	16
residual clays	16
acetate solution	15
many palms	15
large enough	15
suction pumps	15
august th	15
foot deep	15
large excess	15
conditions may	15
one uncia	15
ore contains	15
twenty years	15
agent shall	15
permanganate solution	15
steam pressure	15
every one	15
stand overnight	15
small bulk	15
sea water	15
per short	15
best means	15
rock salt	15
swamp muck	15
fathoms long	15
used instead	15
cripple creek	15
minute quantities	15
geologic factors	15
precipitate will	15
glass rod	15
vale iron	15
coloured copper	15
flows away	15
certificate shall	15
six inches	15
canvas strake	15
open air	15
copper plate	15
thousand dollars	15
iron clamps	15
long tom	15
satisfactory results	15
ammonium sulphide	15
good results	15
hundred pounds	15
copper refining	15
high peak	15
foot high	15
mineral lands	15
third time	15
copper oxide	15
gold mine	15
stannic oxide	15
domestic supplies	15
also occurs	15
contains much	15
total weight	15
fifteen feet	15
contains per	15
water temperature	15
erosion surface	15
commercial copper	15
two sides	15
new mines	15
will come	15
low temperature	15
practical men	15
forty feet	15
make use	15
larger part	15
short strake	15
palm long	15
two beams	15
colouring matters	15
great advantage	15
front end	15
either case	15
small cross	15
march th	15
thirty years	15
coarse gold	15
mineral deposit	15
north america	15
several times	15
wheatley hill	15
albertus magnus	15
soda solution	15
thrown away	15
will prove	15
potassium chloride	15
physical properties	15
coal mines	15
every mine	15
th centuries	15
heating effect	15
mines shall	14
practical exercises	14
small portion	14
mining clerk	14
great extent	14
alluvial deposits	14
vena cumulata	14
pure clay	14
without great	14
silverized lead	14
fine particles	14
considerable number	14
three years	14
capital value	14
often found	14
north carolina	14
trades union	14
broken hill	14
deposits may	14
little later	14
oxalic acid	14
greatly increased	14
iron hook	14
will become	14
de animantibus	14
coarse copper	14
ore containing	14
sulphide ores	14
little axle	14
two days	14
sodium sulphite	14
basic acetate	14
basis wage	14
north africa	14
manner described	14
ore deposition	14
free silica	14
comparatively easy	14
also made	14
reducing agents	14
water used	14
digit long	14
portland cement	14
one centumpondium	14
plummet level	14
st century	14
peat may	14
half wide	14
somewhat similar	14
many others	14
less pure	14
net result	14
pure copper	14
generally known	14
another kind	14
least two	14
men will	14
gravimetric method	14
heating value	14
new haven	14
rudis silver	14
two iron	14
united committees	14
ten grams	14
will doubtless	14
sulphide enrichment	14
foreign sources	14
larger proportion	14
commercial control	14
total amount	14
earthy matter	14
now come	14
drum made	14
twelve hours	14
fresh water	14
two methods	14
spring water	14
cost per	14
chapter vi	14
large reserves	14
lead got	14
various forms	14
ordinary temperature	14
safety lamp	14
charcoal dust	14
chapter iii	14
every direction	14
peat fuel	14
last two	14
great value	14
will remain	14
melting point	14
middle rafters	14
sal artificiosus	14
little iron	14
larger quantity	14
per unit	14
first one	14
metallic form	14
de la	14
iron nails	14
considerable quantity	14
metallurgical processes	14
large extent	14
larger quantities	14
combined shaft	14
one litre	14
burning charcoal	13
salt water	13
physical characters	13
varies greatly	13
different ways	13
long ago	13
acid gas	13
clay may	13
fissure veins	13
time required	13
robert mushet	13
another way	13
quartz lodes	13
shaped like	13
whole question	13
grains per	13
considerable amounts	13
van hise	13
almost exclusively	13
book ix	13
per gallon	13
first cord	13
eorum quae	13
horizontal axle	13
iron present	13
washing ore	13
considerable proportion	13
traveling ways	13
practical treatise	13
front part	13
zonal arrangement	13
clear solution	13
made use	13
metal contents	13
shall keep	13
small scale	13
political control	13
boiling solution	13
ore dressing	13
first instance	13
third cord	13
fuel ratio	13
will allow	13
much used	13
latter case	13
well inspector	13
quae effluunt	13
normal acid	13
first class	13
steel making	13
brick dust	13
will pay	13
oxidising agent	13
economic applications	13
financial control	13
much copper	13
long enough	13
water supplies	13
small part	13
employed therein	13
hot dilute	13
physical conditions	13
two small	13
part iii	13
board met	13
digits high	13
effluunt ex	13
warm place	13
upper ends	13
fairly well	13
absolutely necessary	13
close together	13
ammonic salts	13
comstock lode	13
copper may	13
two associations	13
will vary	13
volumetric methods	13
sodium phosphate	13
metallic material	13
per diem	13
mineral production	13
take care	13
western europe	13
atomic weights	13
cakes made	13
chemical properties	13
principal sources	13
new mexico	13
closely associated	13
may flow	13
acid present	13
young men	13
meeting took	13
yellow copper	13
liquated lead	13
feet apart	13
east indies	13
ferrous chloride	13
mining laws	13
easily broken	13
subsequent offense	13
ex terra	13
drawing hours	13
copper will	13
long period	13
several hundred	13
coal seams	13
iron pin	13
almost wholly	13
will never	13
mining towns	13
shall make	13
one portion	13
little doubt	13
canvas strakes	13
copper sulphides	13
hot waters	13
first side	12
will reach	12
first set	12
minor amounts	12
natural history	12
will cause	12
animantibus subterraneis	12
mechanical haulage	12
argentum rude	12
metalliferous material	12
short distance	12
following statement	12
live coals	12
considerable depth	12
six per	12
normal times	12
must always	12
two inches	12
nearly neutralised	12
may cause	12
great many	12
salt beds	12
pounds per	12
ounces per	12
manganese ore	12
refined salt	12
fibrous peat	12
shaft may	12
iron may	12
thoroughly mixed	12
containing much	12
historical notes	12
full power	12
mr forman	12
earth materials	12
greater number	12
opposite direction	12
middle one	12
first step	12
oxide zones	12
heat gently	12
every year	12
chapter iv	12
mining engineering	12
ancient authors	12
mountain limestone	12
much lead	12
council held	12
boulder clays	12
will indicate	12
minimum wage	12
sodic hydrate	12
great loss	12
much higher	12
now known	12
porcelain crucible	12
every man	12
pint flask	12
section nine	12
fierce fire	12
calcium sulphate	12
highly plastic	12
latin terms	12
six pays	12
public domain	12
human energy	12
gentle heat	12
metallic minerals	12
run across	12
wooden shovel	12
copper minerals	12
private ownership	12
greeks call	12
hard wood	12
first method	12
water must	12
coal drawing	12
somewhat different	12
large deposits	12
nearly per	12
one ton	12
half thick	12
european countries	12
much per	12
roman weights	12
per litre	12
zinc minerals	12
large portion	12
patent office	12
may see	12
small launder	12
chiefly used	12
hot plate	12
will produce	12
ammonic nitrate	12
bed rock	12
surface clays	12
coal owners	12
inorganic matter	12
placer mining	12
barium sulphate	12
states produces	12
many instances	12
partition wall	12
even now	12
wide variety	12
principal use	12
metallic zinc	12
cyanide process	12
gold lump	12
acid used	12
hydraulic mining	12
metal may	12
per square	12
world production	12
per shift	12
washed away	12
rectangular stones	12
may arise	12
lower side	12
two furnaces	12
must also	12
dilute acids	12
shall give	12
connected therewith	12
drill hole	12
latter part	12
foreign countries	12
associated minerals	12
iron tool	12
climatic conditions	12
small buttons	12
similar way	12
green colour	12
cakes melted	12
will also	12
require much	12
book iii	12
many respects	12
dynamic metamorphism	12
smelting ores	12
chapter viii	12
alkaline solution	12
equivalent evaporation	12
sifting ore	12
iron mould	12
motive power	12
upright post	11
scientific american	11
wages board	11
stoping width	11
berlin crucible	11
well understood	11
entirely different	11
anything like	11
creek district	11
thirteen feet	11
diamond dust	11
varying proportions	11
man may	11
six years	11
shaft will	11
surface conditions	11
aniline dyes	11
first meeting	11
seven fathoms	11
sixteen years	11
one pound	11
lower grade	11
glass ampulla	11
relative abundance	11
usually made	11
finely powdered	11
triangular crucible	11
two main	11
will usually	11
primary clays	11
water carries	11
apparatus used	11
nitrate solution	11
ore channels	11
white powder	11
national museum	11
dry assays	11
silver present	11
organic acids	11
fluor spar	11
practical experience	11
world movement	11
basic igneous	11
smaller ones	11
alkaline earths	11
three weeks	11
two ways	11
relative position	11
technical data	11
much gold	11
copper mining	11
many minerals	11
solution required	11
generating fire	11
equal weight	11
british patent	11
metallic state	11
draw water	11
sulphide zone	11
december th	11
first description	11
without loss	11
clays may	11
horse power	11
may often	11
principal source	11
comparatively small	11
hard rock	11
lindsay wood	11
practical purposes	11
fairly pure	11
something like	11
various processes	11
silver minerals	11
liquation cake	11
plastic material	11
high prices	11
right angle	11
india rubber	11
oxidized zone	11
grinding pebbles	11
economic geologists	11
secondary alteration	11
second wall	11
primary deposition	11
far greater	11
white mica	11
cannel coal	11
power required	11
three principal	11
general term	11
placer deposits	11
metallic copper	11
per annum	11
small holes	11
grade deposits	11
larger use	11
hauling machines	11
one inch	11
least three	11
private interests	11
one method	11
dry wood	11
igneous intrusions	11
ordinary temperatures	11
black stones	11
field works	11
late years	11
great difficulty	11
carboniferous age	11
generally accepted	11
principal minerals	11
franchise association	11
rear end	11
never found	11
small excess	11
general geologic	11
clay will	11
minute particles	11
iron slag	11
working therein	11
seven digits	11
see copper	11
easily fusible	11
three unequal	11
long walls	11
mining district	11
two unciae	11
shall examine	11
mineral matter	11
whole matter	11
nickel ores	11
ten dollars	11
metal will	11
michigan copper	11
one per	11
july st	11
experimental work	11
real acid	11
humic acids	11
four parts	11
fully illustrated	11
mineral industries	11
early stages	11
per capita	11
iron bands	11
iron formations	11
rio tinto	11
five times	11
diodorus siculus	11
technical college	11
vegetable matters	11
sheet iron	11
venae cumulatae	11
clays containing	11
will equal	11
normal solution	11
may still	11
men whose	11
many ways	11
small percentage	11
sedimentary beds	11
temporary advance	11
transverse launder	11
mineral supplies	11
small wooden	11
iron filings	11
will illustrate	11
chloride added	11
strong acid	11
horse whim	11
high specific	11
one case	11
al si	11
silver lost	11
nitric oxide	11
least per	11
young man	11
one day	11
lower temperature	11
grams baric	11
deposited clays	11
valorem method	11
grade ore	11
mineral acids	11
feet square	11
cubic inches	11
jigging sieve	11
general use	11
steam engine	11
pretty well	11
equal bulk	11
may say	11
two different	11
western states	11
litmus paper	11
every day	11
copper cakes	11
ore reserves	11
lead sulphide	11
without much	11
zinc sulphide	11
tartaric acid	11
eight inches	11
surface labour	11
durham chronicle	11
water runs	11
bearing strata	11
cubit wide	11
third part	10
head meer	10
taken advantage	10
parting precious	10
monthly circular	10
may amount	10
fifty dollars	10
western united	10
powdered substance	10
near future	10
great heat	10
contain per	10
will often	10
aqueous solutions	10
per month	10
rock may	10
platinic chloride	10
following manner	10
may escape	10
fourteen years	10
combustion tube	10
equal distances	10
metallic lead	10
half centumpondia	10
private initiative	10
within two	10
may require	10
chapter xviii	10
mineral reserves	10
average price	10
south american	10
upper pots	10
potassic iodide	10
inclined shaft	10
colorimetric determination	10
three inches	10
uranium required	10
ammonium oxalate	10
silver alloy	10
assay will	10
radium ores	10
surface water	10
relatively small	10
eight hundred	10
danger signal	10
deposits contain	10
alloy minerals	10
metal mine	10
conviction thereof	10
major triangle	10
west australia	10
much discussion	10
standing ore	10
blue flame	10
gentle fire	10
general fund	10
percentage composition	10
whole mass	10
parting acid	10
sulphide deposits	10
test tubes	10
opposite side	10
potassic cyanide	10
cupric oxide	10
square fathoms	10
may result	10
many small	10
heating surface	10
every case	10
copper moulds	10
lower bellows	10
per man	10
often happens	10
thoroughly practical	10
large size	10
found associated	10
agent duty	10
well mixed	10
also contain	10
feet three	10
engineering profession	10
one set	10
caldarium copper	10
contains silver	10
mining investments	10
several years	10
three methods	10
quite different	10
iron compounds	10
closely resemble	10
much like	10
iron hoop	10
daniel buck	10
may occur	10
small flask	10
four siliquae	10
ammonic sulphide	10
much labour	10
faintly acid	10
first printed	10
mechanical engineers	10
second set	10
south african	10
smaller amounts	10
hundred years	10
second place	10
commonly used	10
tells us	10
two classes	10
diatomaceous earth	10
chapter vii	10
ten times	10
prospective value	10
ordinary burette	10
zinc deposits	10
act shall	10
british coal	10
atramentum sutorium	10
second order	10
power transmission	10
reef gold	10
somewhat like	10
different parts	10
upright axle	10
two metals	10
take gram	10
economic factors	10
medicinal purposes	10
last case	10
lode stuff	10
seventh transverse	10
silver must	10
reverberatory furnace	10
first three	10
light soils	10
salt deposits	10
resulting button	10
crushed ore	10
melted salt	10
many clays	10
two equal	10
largely dependent	10
roman times	10
coal producing	10
plumbum candidum	10
favorable conditions	10
wide range	10
persons shall	10
mining prefect	10
days per	10
five days	10
igneous source	10
boundary mark	10
extremely difficult	10
simple buddle	10
will suffice	10
consuming centers	10
already given	10
reducing flame	10
will appear	10
copper flowers	10
sodium hyposulphite	10
known weight	10
already stated	10
various stages	10
little hydrochloric	10
small fraction	10
iron will	10
many feet	10
draws water	10
silver deposits	10
containing gold	10
much smaller	10
tin dish	10
prussic acid	10
balance sheet	10
see mining	10
numerous plates	10
making nitric	10
heavy spar	10
chemical action	10
result will	10
lead mines	10
building stone	10
originally deposited	10
may sometimes	10
upright timber	10
will hold	10
give notice	10
results obtained	10
mr ashton	10
four hundred	10
ferrous state	10
new processes	10
topographic conditions	10
one year	10
less soluble	10
tensile strength	10
long since	10
material may	10
will pass	10
rock seams	10
round hole	10
ordinary course	10
cast steel	10
used principally	10
standard solutions	10
hot fire	10
new canaan	10
small particles	10
earthen vessel	10
soluble organic	10
glass tube	10
differ greatly	10
assay tons	10
will describe	10
producing countries	10
enclosing rocks	10
made without	10
rocky mountain	10
world mineral	10
may vary	10
gold extraction	10
best known	10
considerable part	10
will dissolve	10
melted pyrites	10
ferric salts	10
essential constituent	10
sulphate solution	10
white crystalline	10
gold bullion	10
latin term	10
may easily	10
three librae	10
wall rock	9
principal uses	9
frequently found	9
fifth edition	9
just mentioned	9
molten copper	9
two pieces	9
one dollar	9
seems likely	9
dried lees	9
best quality	9
durham miners	9
refining gold	9
ground waters	9
offense shall	9
boiler horsepower	9
rich ore	9
bituminous shales	9
royal commission	9
best advantage	9
one vein	9
coal commission	9
latter may	9
crushed stone	9
strong nitric	9
standard silver	9
side walls	9
general application	9
air current	9
platinum chloride	9
properly prepared	9
nothing else	9
left behind	9
may well	9
refining furnace	9
strong enough	9
contains gold	9
next meeting	9
powdered sample	9
mining matters	9
special purposes	9
important amounts	9
sulphurous oxide	9
excess air	9
left side	9
least one	9
persons working	9
comparatively recent	9
metamorphic rocks	9
palm high	9
conservation measures	9
public lands	9
four years	9
first day	9
highest degree	9
get rid	9
contain gold	9
prospecting stage	9
zinc blende	9
metallic iron	9
lower oxide	9
contract work	9
boil till	9
assay may	9
crude arsenic	9
four miles	9
coal production	9
south dakota	9
also gives	9
fifteen minutes	9
important deposits	9
great depth	9
copper found	9
school district	9
considerably less	9
small filter	9
great bulk	9
sedimentary processes	9
inches thick	9
carbonaceous matter	9
original copper	9
pumping machinery	9
molten silver	9
electric power	9
troy ounces	9
half unciae	9
horizontal deposits	9
little windows	9
soon afterward	9
may run	9
copper present	9
interpretatio gives	9
three main	9
bullion assays	9
chapter ix	9
exactly similar	9
chapter xvii	9
general assembly	9
share clerk	9
lime compounds	9
sufficiently large	9
less important	9
production comes	9
still remains	9
gypsum deposits	9
dry ore	9
larger ones	9
first part	9
lead used	9
international relations	9
solution may	9
iron handle	9
will enable	9
mining camps	9
oil exploration	9
lower ones	9
gold particles	9
income tax	9
transverse beams	9
new caledonia	9
chemical changes	9
fathoms deep	9
chemical combination	9
cyanide liquor	9
equal sides	9
sulphur dioxide	9
filtrate add	9
good work	9
mines act	9
iron blocks	9
total number	9
carboniferous limestone	9
inch deep	9
montana copper	9
mineral oil	9
fourth edition	9
superior copper	9
placed underneath	9
one thing	9
part gold	9
probable ore	9
soluble salts	9
wet assay	9
good one	9
assaying ores	9
satisfactory evidence	9
mine generating	9
solidified juice	9
go beyond	9
diamond drill	9
running water	9
stoping base	9
weight gives	9
october th	9
road materials	9
almost always	9
end reaction	9
years later	9
work done	9
three sides	9
mill manager	9
brass making	9
mineral waters	9
cadmia metallica	9
commission shall	9
minerals may	9
coal measure	9
annual output	9
substances may	9
mercury ores	9
brick clays	9
direct steam	9
may consist	9
may fall	9
fifty years	9
magnetic surveys	9
volatile products	9
edwin hoyt	9
volumetric assay	9
toothed rake	9
large masses	9
just like	9
mechanical equipment	9
pine wood	9
driven pumps	9
sufficiently pure	9
wires shall	9
see footnote	9
granitic rocks	9
silver production	9
third transverse	9
making steel	9
part played	9
gravimetric methods	9
mercuric chloride	9
usually contain	9
safety lamps	9
far away	9
ammonium chloride	9
lower pots	9
sandy soil	9
forms two	9
two centumpondia	9
extensively used	9
upper millstone	9
protective tariff	9
capital cost	9
miles wide	9
various ways	9
made available	9
whilst others	9
peat contains	9
two great	9
useful information	9
upper surface	9
considerable time	9
master mariner	9
may usually	9
residual copper	9
chief source	9
clear liquid	9
six hundred	9
often called	9
pasty mass	9
second method	9
process may	9
old workings	9
heated together	9
separates gold	9
pours water	9
alluvial mining	9
great number	9
will result	9
outer edge	9
spring waters	9
coal beds	9
sedimentary deposits	9
seven hours	9
may show	9
slightly soluble	9
california gold	9
abandoned mine	9
mount morgan	9
may even	9
arsenic acid	9
among miners	9
will go	9
artificial pillars	9
causis subterraneorum	9
considerable extent	9
coal industry	9
three different	9
two solutions	9
much iron	9
must necessarily	9
waters may	9
third kind	9
say nothing	9
purchased pure	9
agricola apparently	9
least five	9
already explained	9
furnace bottoms	9
west coast	9
mineral trade	9
iron found	9
sometimes found	9
sheet mica	9
saturated solution	9
payable gold	9
see chapter	9
fire consumes	9
mine foreman	9
rich silver	9
principal mining	9
little nitric	9
geological conditions	8
british museum	8
containing less	8
spirit lamp	8
atomic weight	8
actual practice	8
certain extent	8
white man	8
divided state	8
first question	8
long ton	8
chemical news	8
miners call	8
less extent	8
house rent	8
oil fields	8
much time	8
mineral matters	8
colorimetric method	8
international aspects	8
takes effect	8
mr bunning	8
one quarter	8
cementing materials	8
one might	8
brooklyn conn	8
fine silver	8
town hall	8
feed wires	8
pure metal	8
ores contain	8
surface deposits	8
may give	8
two points	8
one point	8
great majority	8
combined shafts	8
boundary stones	8
chain pump	8
considerable excess	8
world reserves	8
chemical industry	8
fifth long	8
proper place	8
alternating current	8
lead foil	8
bishop auckland	8
detailed description	8
less valuable	8
silver per	8
becomes necessary	8
john wilson	8
first long	8
latin text	8
adams white	8
gas wells	8
ammonium salts	8
put together	8
getting gold	8
wooden part	8
insoluble silicates	8
will keep	8
exportable surplus	8
placer mines	8
always found	8
will last	8
fresh air	8
market value	8
parent rock	8
surveying triangle	8
building stones	8
sheet lead	8
local conditions	8
greater quantity	8
returning charge	8
quicksilver distillation	8
animal matters	8
determine whether	8
sive de	8
chromate solution	8
dark brown	8
completely decomposed	8
mineral oils	8
chapter xiii	8
inclined shafts	8
geologic work	8
trolley wire	8
great part	8
fully discussed	8
weighed porcelain	8
almost universal	8
certain cases	8
fine material	8
take two	8
practical man	8
pure lead	8
sodic phosphate	8
ore treated	8
waste heat	8
mining may	8
delegate meeting	8
american patent	8
cadmia fossilis	8
new england	8
inch thick	8
greater degree	8
structural features	8
fire assay	8
condensed peat	8
one shaft	8
glowing charcoal	8
still hot	8
general nature	8
four men	8
glowing coals	8
following passage	8
manganese oxides	8
relative importance	8
carbolic acid	8
alternate layers	8
call greek	8
drying ground	8
reginald guthrie	8
remain stationary	8
long way	8
mine owners	8
ammonic sulphate	8
atmospheric pressure	8
crude oil	8
mine may	8
igneous flows	8
total production	8
practical miner	8
degrees fahrenheit	8
practical use	8
flow away	8
drill holes	8
pegmatite dikes	8
lead oxide	8
long distance	8
commercially available	8
yearly bond	8
coal mined	8
silver found	8
roofing tiles	8
straight lines	8
henry kreisinger	8
way described	8
third order	8
september th	8
hill book	8
bismuth smelting	8
mining machines	8
fused material	8
magnesium sulphate	8
rectangular iron	8
upper levels	8
second transverse	8
fiercer fire	8
twenty miles	8
shallow depths	8
generally speaking	8
precio metallorum	8
metallic tin	8
second group	8
overhand stopes	8
mining claims	8
hangingwall rock	8
large areas	8
united kingdom	8
david mushet	8
positive wire	8
rare minerals	8
close association	8
john forman	8
agricola uses	8
deposits will	8
general interest	8
ore production	8
joplin district	8
gold must	8
two types	8
will get	8
short tons	8
first book	8
chapter xi	8
cross trough	8
copper scales	8
large stones	8
metallurgical operations	8
grade coals	8
natural abrasives	8
increased cost	8
two per	8
white lead	8
natural conditions	8
may prove	8
extremely fine	8
carpathian mountains	8
black sand	8
royal college	8
road building	8
clinton iron	8
light oils	8
oxide minerals	8
careful study	8
chemical change	8
tungsten ores	8
perfectly dry	8
one sample	8
troy grains	8
alloy containing	8
standard acid	8
average metal	8
nessler tube	8
powdered charcoal	8
mines may	8
electric light	8
metallic gold	8
even greater	8
gulf coast	8
smelting furnaces	8
one operation	8
feet inches	8
ferric sulphate	8
effective horse	8
resume work	8
three iron	8
large sums	8
mr wilson	8
ferrocyanide required	8
known reserves	8
acid must	8
will carry	8
fifteen years	8
hydraulic claims	8
starch solution	8
mining co	8
little evidence	8
washing material	8
passing sulphuretted	8
two shifts	8
best method	8
per fortnight	8
specific gravities	8
illuminating gas	8
total iron	8
mercury deposits	8
states production	8
mining communities	8
deposits occur	8
minor uses	8
igneous activity	8
reducing effect	8
working cost	8
sometimes even	8
silver got	8
good indications	8
five inches	8
cold solution	8
de precio	8
another form	8
much better	8
domestic supply	8
electrical pumps	8
eleven hours	8
iron pyrite	8
chapter xii	8
malleable iron	8
tube containing	8
two miles	8
lead nitrate	8
water bath	8
marine engineer	8
british columbia	8
silver may	8
inches square	8
may appear	8
th inst	8
medium size	8
usually applied	8
mining man	8
earth movements	8
coal supplies	8
unequal sides	8
call borax	8
practical handbook	8
little dilute	8
shall use	8
used mainly	8
rich deposits	8
fairly large	8
structural conditions	8
commercial scale	8
one twenty	8
bronze age	8
mineral content	8
technical school	8
many deposits	8
asia minor	8
greater depths	8
total output	8
crystalline form	8
quite distinct	8
higher prices	8
sample must	8
tin mining	8
true coal	8
refuge holes	8
millstone grit	8
dried copper	8
back wall	8
six fathoms	8
paraffin oil	8
last century	8
cyanide required	8
international control	8
far enough	8
gold remains	8
one instance	8
silver veins	8
important mineral	8
mining methods	8
sufficiently high	8
export trade	8
silver amalgamation	8
gold found	8
salt made	8
mechanical treatment	8
binding power	8
one series	8
general principles	8
inspector shall	8
gravimetric assay	8
colorado gold	8
venetian glass	8
geological formations	8
often used	8
pipe clays	8
three fathoms	8
may reach	8
averages cubic	8
copper mould	8
underhand stopes	8
entrance fee	8
weathered zone	8
council decided	8
state government	8
potassium sulphate	8
convenient form	8
containing water	8
bauxite deposits	8
may carry	8
taking care	8
spanish mines	8
weighed portion	8
palm deep	8
dry washing	8
chamois leather	8
inches across	8
large volume	8
long distances	8
atomic theory	8
surface men	8
adjacent rocks	8
transverse vein	8
gold concentrates	8
central europe	8
stamp mill	8
strong ammonia	8
department shall	8
coal fields	8
furnace walls	8
assay value	8
weighed platinum	8
drying furnace	8
many kinds	8
standard work	8
mining stocks	8
closely resembles	8
iron smelting	8
free gold	8
two workmen	8
may turn	8
aniline oil	8
chemical industries	8
different sources	8
fe cl	8
best results	8
dutch east	8
little stones	8
dead sea	8
rich ores	8
last one	8
feed pump	8
may serve	8
present erosion	8
set aside	8
furnace similar	8
potash solution	8
early history	8
actual use	8
sulphur will	8
early days	7
different countries	7
et monetis	7
mix well	7
silver sulphide	7
also must	7
inferior quality	7
salt sal	7
international mineral	7
capital invested	7
county council	7
gold present	7
acid added	7
ordinary purposes	7
chapter xv	7
native sulphur	7
na co	7
underground waters	7
wages paid	7
wooden pegs	7
mountainous regions	7
west cornwall	7
second machine	7
thirty minutes	7
silver precipitate	7
often made	7
easily fuse	7
lead required	7
copper sulphide	7
pot assay	7
eighteen inches	7
greater weights	7
igneous mass	7
comparatively little	7
angles acute	7
pulverized quartz	7
bids fair	7
furnace wall	7
comparative value	7
section shall	7
will increase	7
extensive deposits	7
work may	7
first shaft	7
two rods	7
will absorb	7
le neve	7
trimdon grange	7
right hand	7
digits deep	7
open spaces	7
speed tool	7
conservational measures	7
mud mixed	7
colorimetric assay	7
level projects	7
applied geology	7
ohio laws	7
metallurgical point	7
broken peat	7
longitudinal beams	7
nearly neutralise	7
underground wages	7
generally made	7
another portion	7
well shall	7
principal deposits	7
water flowing	7
coal may	7
musk ivy	7
stable dung	7
higher percentage	7
mining properties	7
rarely found	7
till free	7
steam boiler	7
thin layer	7
absolute reduction	7
smelting works	7
cobalt district	7
volumetric assays	7
far distant	7
fathom long	7
paraffine wax	7
mines regulation	7
may represent	7
two things	7
widely used	7
book viii	7
likewise made	7
seldom found	7
labor unions	7
shall signify	7
tracing mineral	7
salt added	7
mine water	7
also present	7
wooden box	7
group characteristics	7
one thousand	7
put forward	7
men employed	7
common pleas	7
generally found	7
extralateral rights	7
little book	7
third class	7
assay furnaces	7
eighteen feet	7
triple compound	7
used commercially	7
shall show	7
main axle	7
contains two	7
oil pools	7
inch evaporating	7
human life	7
sewage disposal	7
copper filings	7
various metals	7
ten persons	7
articles made	7
clean water	7
medical officer	7
features chapter	7
may lead	7
pro tem	7
san francisco	7
may know	7
boiling point	7
put back	7
vary greatly	7
stannic chloride	7
larger pieces	7
corresponding secretary	7
blue lead	7
capital stock	7
add dilute	7
less time	7
john adams	7
th april	7
will soon	7
consulting chemist	7
surrounding rocks	7
books de	7
melted together	7
fine state	7
large numbers	7