INDEX. 
A.  Page. 
Ager,  Cal.,  coal  near 405 
Allison  mine,  description  of 208 
Almond  coal  group,  character  and  distribu- 
tion of 262-263, 266, 273-275 
coal  of,  analyses  of 271, 272 
sections  of 263 
Analysis,  methods  of 12-14 
Ashland,  Oreg.,  coal  near 404-405 
Ashley,  G.  IL,  work  of 5-6,11 
B. 
Badger  Creek  coal,  analysis  of 130 
Baley  Trace,  Va.,  coal  on,  analysis  of 417 
coal  on,  sections  of 414 
Ball,  M.  W.,  on  Little  Snake  River  coal  field.  243-255 
work  of 9 
Bancroft,  II.,  work  of 62 
Barnett,  V.  EL,  work  of 256 
Barrett  mine,  coal  section  in 194 
description  of 194 
Basin,  Wyo.,  coal  of,  analysis  of 198 
coal  sections  near 173, 177 
Basin  field,  coal  of 172-179 
coal  of,  sections  of 172-179 
Bear  Creek  Coal  Co.,  mines  of 102 
Bear  Creek  district,  Mont.,  coal  of.  analyses  of.       105 
mining  in 101-103 
Bearpaw  shale,    character   and    distribution 
of 81-82,168-169 
Beaver  Creek,  Colo.,  coal  near,  analysis  of. ..      363 
Beekly,  A.  L.,  work  of 336,352 
Bibliography  of  coal,  coke,  lignite,  and  peat .  419-430 
Big  Elk,  Mont.,  coal  near 85 
coal  near,  analysis  of 89 
Bighorn  Basin  (northeast  side),  access  to 199 
<oal  of 170-187, 195-198 
analyses  of 198 
character  of 195-198 
development  of 199 
geology  of 1C.7-171 
location  of L65 
map  of 170 
mining  in 198-199 
paper  on 165-187, 195-199 
section  in 167 
structureof 169-170 
topography  of 165  167 
Bighorn  Basin  (southwest  side),  accessto —      219 
coalof 207  218 
analyses  of 217 
character  of 216-218 
market  for 218 
Page. 
Bighorn  Basin,  development  of. 218  219 
geology  of 
irrigation  in 218 
location  of 200-201 
map  of 
mining  in 
paper  on 200-219 
section  of 202 
structure  of 
topography  of 201 
Bituminous  coal,  definition  of 12 
Black  Buttes,  Wyo.,  development  at 276 
Black  Buttes  coal  group,  character  and  dis 
tribution  of 263  264,267 
coal  of,  analyses  of 272 
sections  of 264 
Black  Rock  coal  group,  character  and  d 
butionof 264  266,267,273  275 
coal  of,  analyses  of 272 
sections  of 265  266 
Black  Diamond  mine,  description  of 211  212 
Blair,  C.S.,  work  of 317 
Blake  mine,  description  of.        211 
Blevins  mine,  description  of 296  297 
Bowie  shale,  character  and  distribution  of.  320,323 
coal  in 323 
Branson,  R .  A . ,  work  of 152 
Bridger,  Wyo.,  coal  sections  near 1S8,189 
Bridger  field,  Wyo.,  access  to 199 
coal  of 187-199 
analyses  of 198 
sections  of 187-189, 191-195 
uses  of 190 
development  of L99 
mining  in 190,192-194,198  L99 
paper  on 187   L99 
Bridger  mine,  coal  section  in 190 
description  of... 189  190 
Browns  Park  formation,  character  and  distri- 
bution of 
Bryan.  K.  R.,  work  of 317 
Buckey  coal,  character  and  distribution  of 
section  of ' ,s 
Buffalo  Creek  district,  Mont.,  coal  of  ,   114-115 
coal  of,  analyses  of 120 
Bull  Mountain                   icter  and  distribu- 
tion Of 71 
section  of  "I 
Bull  Mountain  field,  Mont  .<-,,:A  ol 
coal  of,  analyses  ol 
character  of 
market  for. ...........  77 
location  of 
