438 
INDEX. 
Page. 
Bull  Mountain  field,  map  of 64 
development  in 75-77 
geology  of 64-65 
mining  in 76-77 
paper  on 62-77 
structure  of 65 
topography  of 64 
water  in 76-77 
Burgin  mine,  coal  section  in 1 93 
description  of 193 
Burton,  G.  E.,  work  of 256 
Byron,  coal  section  near 180 
Calvert,  W.  R.,  on  Lewistown  coal  field. . .  108-123 
work  of 8 
Cannel  King  mine,  section  at 394 
Carbonado,  coal  near 195 
Carman,  J.  E.,  work  of 92, 200 
Carney  coal,  analyses  of 135 
character  and  distribution  of. .  127, 129, 137-138 
sections  of 137, 138 
Carney  ville,  Wyo.,  mining  at 149 
Cather,  J.  H.,  work  of 79 
Checkerboard  Creek,  Mont.,  coal  on 86-87 
Chemical  work,  description  of 12-14 
Claggett  formation,  character  and  distribution 
of 81,168 
coal  in 170, 172, 180-181 
sections  of 172. 181 
Clark,  W.  H.,  work  of 16 
('loverly  formation,  character  and  distribu- 
tion of 168 
coal  in 170 
Coal,  analysis  of,  method  of 12-14 
bibliography  of 419-436 
characteristics  of 12 
classification  of 12 
distribution  of 5-6 
map  showing o 
sampling  of 12-13 
See  also  particular  fields,  States,  etc. 
Coal  areas,  classification  of 6 
Coal  Creek,  Utah,  section  at , .      390  \ 
Coal  district,  definition  of 6 
Coal  field,  definition  of 6 
Coal  lands,  examination  of 15 
Coal  province,  definition  of 6 
Coal  region,  definition  of 6 
Cody  Coal  Company's  mine,  description  of. . .      209 
Cody  field,  Wyo.,  coal  of 208-211 
coal  of,  analyses  of 217 
Coke,  bibliography  of 419-436 
Coking,  tests  of 417-418 
Collier,  A.  J.,  work  of 8 
Collier,  A.  J.,  and  Smith,  C.  D.,  on  Miles  City 
coal  field 36-til 
Colob  Creek,  Utah,  section  at 393 
Colob  field,  coal  of 388 
coal  of ,  analyses  of 397 
sections  of 389-396 
Colorado,  coal  of.    See  Yampa  field;  White 
River  field;  Douglas  Creek  dis- 
trict; Grand  Mesa  field;  Durango- 
Monero  field, 
geologic  work  in 10 
Page. 
Colorado  (northwestern)  fields,  access  to 283 
coal  of 293-30.").  3  4-315 
geology  of 285-292 
location  of,  map  showing 293 
section  in 285-288 
structure  of 291-292 
Colorado  group  or  shale,  character  and  distri- 
bution of 80,  111,  L68, 203. 225, 381 
coal  in 226 
Conie  mine,  description  of 211 
Corry  mine,  section  at 391 
Crazy  Mountains,  Mont.,  coal  near 78-79,81-91 
coal  near,  analyses  of 89  90 
paper  on 78-91 
geography  of 79 
geology  of 80-83 
map  showing 82 
igneous  rocks  of 82-83 
structure  of 83 
Cuba,  N.  Mex.    See  Gallina-Cuba  district. 
Culver  mine,  section  at 391 
D. 
Dakota  sandstone,  character  and  distribution 
of 225, 288,  32  i .  338, 366 
Darton,  N.  II.,  on  Carbonado  coal 195 
Davis,  J.  A.,  work  of 284 
De  Golyer,  E.  L.,  work  of 92, 200 
Dickie  mines,  description  of 23  4 
Dietz,  Wyo.,  mining  at 148-149 
Diet/,  coals,  analyses  of 135 
character  and  distribution  of . .  129-30,  i  39-1 40 
section  of 1 40 
Diller,  J.  S.,  on  Rogue  River  Valley  field. .  4(h-405 
work  of 11 
Dillon  mine,  description  of 250. 254 
Dominy  lignite  group,  analysis  of 59 
character  and  distribution  of 56-57 
sections  of 56-57 
Dorrity  coal,  analyses  of 74 
character  and  distribution  of 68 
section  of 68 
Douglas  Creek  district,  Colo. .  coal  of 302-305 
coal  of,  character  of 305 
faults  in ; 302 
location  of 301 
map  of 302 
structure  of 30.-302 
Dry  Creek,  Wyo.,  coal  section  on 172 
Durango,  Colo.,  coal  near,  analyses  of 363 
Durango-Monero  field,   N.    Mex. -Colo.,  coal 
of 354-3(3 
coal  of,  analyses  of 3i  3 
geology  of 352  354 
map  of 352 
paper  on 352-363 
structure  of 353-354 
E. 
Eades  mine,  description  of 215 
Eagle  sandstone,  character  and  distribution 
of 81,168,204 
coal  in 84-86, 
171,179-180,187-194,195-197,207,210 
sections  of 180, 187-188 
outcrop  of,  map  showing 82 
