490 
INDEX. 
Page. 
Baldy  district,  Utah,  ore  deposits  in 90 
Ball,  S.  II..  on  ore  deposits  in  southeastern 
Nevada  and  eastern  Califor- 
nia   18-19,53  73 
work  of 18,53 
Ballinger  mine.  Utah,  coal  of 296 
Bangor  limestone,  occurrence  of 173 
Barclay  Sound,  B.  C,  iron  ores  of 196 
Bare  Mountain.  \"ev..  ore  deposits  of 71-72 
Barnes  mine,  Colo.,  coal  of,  analyses  of 232 
Barnstable  region,  Mass..  clays  of 439-440 
Bartlesville,  Ind.  T.,  glass  making  a1 460 
Bartlett,  J.  II..  aid  of 374 
Basalt,  copper  in L40   143 
occurrence  and  character  of....  30-44,140-141 
Basin,  Wyo.,  gas  at 314 
Bassler,  P.  >..  work  of 23 
Bastin,  E.  S.,  on  clays  of  Penobscol   Bay 
region,  Me 428-431 
on  lime  industry  of  KnoxCounty,  Me.  393-400 
work  of 23 
Bath  County  district,  Ky.,  iron  ores  of .      L80  L82 
work  in 21 
Battelle,  Ala.,  iron  ores  a1  and  Dear 174-17") 
iron  i  I  nea  r,  analyses  of. ...  174, 175 
section  of 174 
Bauxite,  bibliography  of 171 
deposits  of,  discovery  of 171 
study  of -i 
Bayfield.  Colo., coal  near,  section  of 245 
Bear  Canyon,  Utah,  coal  in 295 
Bear  Creek  coal  fields,  Mont.,  description 
of 269  270 
Bear  ''reck  area.  Colo.,  gold  and  Silver  de- 
port s  of  descripl  ion  of 25  27 
<.re<  and  minerals  of 26-27 
rocks  of 
lulch,  i  tah,  sed  ion  in 299 
Bea  r  River  formation,  coal  in 336 
seel  ion  of 336 
Beaver  Creek,  Colo.,  coal  near,  analysis  of..      258 
sed  ions  of 246 
Beaver  Cre<  k.  Colo.,  rocks  on 30  31 
Beaver  (reck.  \.  Dak.,  lignite  near 326 
Beaver  Creek,  Wyo.,  copper  on 308 
Becker,  Mo.,  glass  sand  a1    167 
Beckton,  Wyo.,  coal  near 304  305 
Bell,  T.  J.,  ores  discovered  by 58 
Belleville,  111.,  glass  making  at 460 
Benton  shale,  bentonite  in 309    146 
coals  of 285 
analysis  of 340 
occurrence  and  character  of 30-31 
petroleum  in 310,349 
phosphate  in 309 
Bentonite.  analyses  of 440 
character  of 445-446 
occurrence  of 309. 312-313, 446-447 
price  of 447 
production  of 447 
section  of 313 
uses  of 446 
See  also  Wyoming;  Laramie  basin;  Big- 
horn Basin. 
Berkeley  Springs.  \v.  Va.,  glass  sand  at, 
analysis  of 456-457 
Page. 
Berkeley  Springs  Sand  Co.,  glass  sand  of..       474 
Big  Box  Elder  Creek,  Moid.,  lignite  on...  327-329 
section  on 320, 327-329 
Big  Bug  district,  Ariz.,  copper  of 103 
Big  Eight  mine,  Mont.,  description  of 48 
Big  Goose  Creek,  Wyo.,  coal  near 304-305 
gold  on 308 
Big  Sandy  River  district,  Ky.-W.  Va,,  coal 
of 261-264 
coal  of,  analyses  of 262  -261 
Bighorn  basin,  bentonite  in 312-313 
coal  in 311-312 
gas  in 314 
gypsum  in 313-314 
mineral  water  in 314-315 
pel  roleum  in 314 
sulphur  in 315 
work  in 22 
Bighorn  Mountain  region,  asphalt  um  in 310 
bentonite  in 309 
building  stone  in 309 
coal  in 303  307 
copper  in 308  309 
gold  in 307-308 
gypsum  in 309 
limestone  in 309 
mineral  resources  of 303-310 
petroleum  in 309-310 
phosphate  in 309 
Bingham.  It  ah,  copper  ores  of 121-123 
gold  and  silver  in 95 
production  of 123 
I  ment  of 95 
Birmingham  quadrangle,  Ala.,  coals  of  . .  211-222 
Set  also  Warrior  coal  basin. 
Bisbee  district,  Ariz.,  description  of 99-100 
Black  Creek  coal,  character  of 219-220 
sections  of 219-220 
Black  Prince  mine,  Idaho,  ores  of 136 
Black  sands,  assay  of 161 
concent  ration  of 160-164 
gold  and  platinum  in 152-159 
in\ est igation  of 150-164 
minerals  in.  table  showing 152-156 
samples  of,  collection  of 151,  159   160 
value  of 164 
Black  Warrior  River,  Ala.,  coal  on 211   212 
1',  lack  tail  mine,  Idaho,  description  of 47 
Blake,  w.  P.,  on  black  sands 150 
B lakes  Camp,    New,  ore  deposits  of 66 
Bland ville,  Ky..  clay  at,  analysis  of 421 
Bloseburg  region,  Ala.,  coal  of,  section  of. .      214 
Blue  Creek  coal,  Ala.,  character  of 217  218 
sections  of 217-218 
Boaz,  'Ky..  clay  near,  analysis  of 421 
Bodancoal  mine,  Wyo.,  section  of 306 
Boghead,  Ky.,  coal  at,  sections  of 266-267 
Bolan  Creek,  N.  Dak.,  lignite  on  and  near.  326-327 
Bonanza.  Wyo..  petroleum  near 310 
Bonanza   Circle   mines,    Ariz.,  development 
of 99-100 
Bonanza  Creek.  Alaska,  copper  on 98 
Book  Cliffs  coal  field,  Utah,  coal  of 293-302 
coal  of.  analyses  of 288,294 
description  of 289-290 
faults  and  folds  in 293 
