INDEX. 
619 
Page. 
Toinbigbee  River,  Miss.,  cement  materials 
<hi  512-521 
Tonking,  J.  B.,.aid  by 267 
Tonopah,    Nev.,  developments    at,  during 
1904,  paper  on 140-149 
underground  formations  at,  progressof, 
knowledge  concerning 147-148 
veins  in,  character  and  content  of  . . .  144-149 
work  at 26 
Trans-Pecos  region,  Tex.,  map  of 574 
Transvaal,  tin  in 179 
Trass,  use  of 503 
Travertine,  deposits  of,  at  Anaconda  Hot 
Springs,  Montana 600-601 
character  and  extent  of,  in  Valley  of 
Virginia 537-538, 539 
Trenton  limestone,  analyses  of  ..  525,542,543,544 
occurrence  and  character  of 522, 524-526 
Tully  limestone,  analyses  of 529 
occurrence  and  character  of 522, 528-529 
Tunis,  zinc  in 253 
Turner,  H.  W.,  on  copper  deposits 226-227 
Tungsten,  publications  on,  list  of 196 
Tuscaloosa  formation,  occurrence  of. . . 520 
Tweedy,  Frank,  topographic  survey  by 101 
Tyro  oil  pool,  Kansas,  location  and  extent 
of 451 
U. 
Ulay  mine,  Colo. ,  discovery  of 80 
Ulrich,  E.  0.,  and  Bain,  H.  F.,  paper  by,  on 
copper  deposits  of  Missouri. . .  233-235 
Uncompahgre  formation,  occurrence  and 
character  of 51 
United  States  Mining  Co.,  developments  by.      239 
Upper  Geyser  basin,  Yellowstone  National 
Park,  hot  waters  of,  utilization 
of 599 
Upper  quartzite.    See  Dakota  formation. 
Uranium  and  vanadium  in  southeastern 
Utah,  occurrence  and  charac- 
ter of  200-210 
Utah,  asphalt  prospects  in 468^70,473-479 
Utah,  Cactus  copper  mine  in,  paper  on. . .  242-248 
cement,  Portland,  in,  production  of 498 
copper  in,  occurrence  and    character 
of 242, 246-248 
copper  deposits  in,  papers  on 236-248 
copper  mining  in 216 
gas,  natural,  in 480-483 
gold  and  silver  in,  paper  on 150-153 
gold  production  of 33, 38 
from  copper  ores 37 
from  quartz  veins 36 
lead  production  of 254-256 
ore  deposits  of  Bingham,  paper  on 236-241 
petroleum  prospects  in 468-473, 41 7-479 
silver  production  of 33 
from  copper  ores 42 
from  lead  < ires 43 
from  quartz  veins 41 
vanadium  and  uranium  in  southeast- 
ern    200-210 
zinc  in 272 
Utah  Consolidated  Co.,  developments  by. . .      238 
Page. 
Utah  Copper  Co.,  developments  by 239 
Ute  mine,  Colo.,  ore  deposits  of 80-82 
V. 
Valley  Creek,  Ala. ,  section  on 371 
Valley  View  mine,  Colo.,  character  of 66 
Van  Hise,  C.  11.,  on  Lake  Superior  iron  ores.      224 
work  of 28 
Vanadium  and  uranium  in  southeastern 
Utah,  occurrence  and  character 
Of 200-21 0 
Veins,  fissure,  occurrence  and  character  of.  55-65 
See  also  Gold-bearing  veins;  Silver-bear- 
ing veins. 
Vermont,  slate  quarries  in 486-487 
Victoria,  tin  in,  occurrence  of 171 
tin  in,  publications  on 183 
Vilas  shale,  character  and  thickness  of,  in 
Kansas 447 
Vinalhaven,  Me.,  granite  quarrying  at...  490-491 
Vinton,  La.,  oil  wells  at 461-462 
Virginia,  cement  materials  in 531-544 
cement,  natural,  production  of 503 
cement,  Portland,  production  of 498 
copper  mining  in 218-220 
gold  production  of 33 
lead  production  of 254 
silver  production  of 33 
slate  deposits  in 487 
tin  in 163 
zinc  production  of 268 
Virginia  mine,  Ala.,  sections  at 372, 373 
Virginia,  Valley  of,  cement  materials  of  .  531-544 
geology  of 533-544 
maps  of 532, 533 
Vogt,  J .  H.  L.,  on  copper  deposition 223 
Von  Groddeck,  A.,  on  copper  deposition. . .      223 
W. 
Walcott,  C.  D.,  on  Grand  Canyon  rocks 232 
Wall  group  of  mines,  Utah,  developments 
at 239-240 
Wall  rock,  character  of,   as  affecting  ore 
deposition 116 
Wallace  formation,  character  and  extent 
of 280, 282 
Waring,  George,  on  zinc 262 
Ward,  David,  on  gold  seams  in  Colorado. . .      107 
Warf,  W.  A.,  acknowledgments  to 202 
Warrior  coal  basin,  Ala.,  coals  of .  367-376, 378-380 
map  of 358 
mining  conditions  in 377 
mining  developments  in 380-381 
st  ratigraphy  of 357-365 
structure  of 365-367 
Wasbington,  cement,  natural,  in,   produc- 
tion of 501 
clay  deposits  of 550-558 
coal  in  Clallam  County 413-421 
coal  in,  near  Portland,  Oreg 411-412 
gold  placers  on  coast  of,  paper  on 154-157 
gold  placers  on  coast  of,  location  of,  map 
showing 154 
gold  production  of 33 
