INDEX. 
505 
Utah,  rocks  in 
Sanpete  County,  coal  in. 
geology  of 
section  of 
Page. 
88 
280-284 
280-281 
..       282 
work  in 19. 22-24, 205, 206 
Utica,  111.,  glass  sand  at 465 
glass  sand  at,  analysis  of 456-457 
Utica  Fire  Sand  Co.,  TIL,  quarry  of 465 
Valley,  Wash. ,  iron  ores  near 195 
Van  Hise,  C.  R.,  work  of 196 
Vancouver  Island,  B.  C,  iron  ores  of 196 
Veatch,  A.  C,  on  coal  and  oil  in  southern 
Uinta  County,  Wyo 331-353 
work  of 205,331 
Veins,  structure  of 37-38 
Vermilion  Creek,  Mont.,  gold  placers  on 44 
Virgilina  district,  N.  C,  copper  ores  in 115 
Virginia,  copper  deposits  in 140-143 
iron  ores  of 183-193 
bibliography  of 187, 189 
limestone  in 374-375 
analyses  of 375 
shale  in. 375-376 
work  in 21, 23 
Virginia  Consolidated  Copper  Co.,  develop- 
ment by 141-1 42 
Virginia  district,  N.  Mex.,  copper  of 118 
Virginia  Iron,  Coal,  and  Coke  Co.,  aid  of.   .      374 
Volcanic  ash,  analyses  of 477 
bibliography  of 478-479 
character  of 477 
occurrence  of 476-478 
uses  of 478 
Vulcan  mine,  Idaho,  ores  of 46-47 
W. 
Wade  prospect,  Utah,  coal  in 296 
Wadeson  mine,  N.  Dak.,  lignite  of,  analysis 
of 323 
Wadge  seam,  Colo.,  coal  of,  analysis  of 236 
Wales,  Utah,  coal  near 280-283 
coal  near,  analysis  of 283 
sections  of 282 
figure  showing 280 
Walker  bank,  Colo.,  coal  of 235 
Wallace  formation,  occurrence  and  charac- 
ter of  43,  46, 52, 131 
Wallaceton  district,  Pa.,  coal  of 273 
Wallihan,  A.  (}.,  development  by 235 
Walston  mines,  Pa.,,  production  of 279 
Walters  mine,  Cal.,  magnesite  of 389 
Ward,  Innis,  work  of 205 
Warm  Springs  Ridge,  W.  Va.,  glass  sand 
from 473 
Warrior  coal  basin,  Ala.,  coals  of 212-222 
coals  of,  analyses  of 221-222 
character  of 221 
development  of 220 
geology  of 212-213 
map  of 212 
mining  in 220 
topography  of 211-212 
Warren,  Me.,  limestone  near 394 
Page. 
Wasatch   coal,    occurrence    and   character 
of 287-288 
Wasatch  formation,  coal  in 282 
oil  in 349 
section  of 282 
Wasatch  mine,  Utah,  coal  of 287 
Wasatch  Plateau,  Utah,  coal  on 280 
ozokerite  on 369 
Washburn,  N.  Dak.,  lignite  at,  analysis  of.      323 
Washington,  black  sands  from,  investiga- 
tion of 160 
cement  resources  of 377-383 
clay  in,  analyses  of 377-382 
coal  in 377 
copper  in 123 
gold  and  silver  in 95 
production  of 123 
iron  ores  in 195-196 
limestone  in,  analyses  of 378-382 
marble  in,  analyses  of 382-383 
shale  in,  analyses  of 378-379 
slate  in,  analysis  of 380 
Water,  Survey  work  on 487 
Waters,  mineral,  analysis  of 315 
investigation  of 487 
occurrence  of 314-315 
Watts-Kimberley  region,  Ala.,  coal  in,  sec- 
tion of 219 
Ways  Gulch,  Colo.,  gold  placers  at 31 
Weber  River  coal  field,  Utah,  coal  of. .  285,287-288 
geology  of 285-287 
section  in 286 
Webber,  F.  A.,  ores  discovered  by 46 
Webber  mines,  Idaho,  ores  of 46-47 
We dron.  111. ,  glass  sand  at 465 
glass  sand  at,  analysis  of 456-457 
Wedron  White  Sand  Co.,  111.,  glass  sand  of. .      465 
Weed,  W.  H.,  on  copper  deposits  of  Appa- 
lachian region 17 
on  copper  deposits  of  United  States 93-124 
report  of,  on  Butte  copper  region 15 
work  of 17-19, 24, 140, 160 
Wellfleet  region,  Mass.,  clays  of 436-437 
Wellington,  Nev.,  ore  deposits  near 68 
Wells,  oil.    See  Petroleum  wells. 
West  Barnstable,  Mass.,  clays  at 440-441 
West  Virginia,  coal  of 259-264 
glass  sand  from 461, 473-475 
analysis  of 456-457 
map  of  part  of 260 
West  Virginia  Sand  Co. ,  glass  sand  of 474-475 
Whalen  group,  iron  ores  in 194-195 
White,  C.  M.,  oil  spring  of 343,349 
White  Knob,  Idaho,  copper  ores  of 108-109 
White  Mesa,  Ariz.,  copper  of 103_ 
White  Pine,  Colo.,  iron  ores  of 196, 197 
Whites  Creek,  coal  of,  section  of 218 
Wickliffe,  Ky.,  clays  at  and  near,  analyses 
of 419-420, 421 
White  Sand  Company  of  Missouri,  glass 
sand  of 467 
Whitlock,  Tenn.,  clay  at 422-423 
clay  at,  sections  of 422-423 
Willamette  Pulp  and  Paper  Co.,  Cal.,  mag- 
nesite of 389 
