INDEX, 
609 
Page. 
Diller,  J.  S.,  paper  by,  on  iron  ore  (so  called) 
near  Portland,  Greg 343  347 
on  mineral  resources  of  Indian  Val- 
ley region,  Cal 45-49 
work  of 27 
Diorite,  Colorado,  character  of 102-103 
Doctor-Jack  Pot  mine,  Colo.,  ores  of 91 
Dodgeville,  Wis.,  zinc  and  lead  mines  near, 
paper  on 311-315 
Dolores  formation,  occurrence  and  charac- 
ter of  52,  64, 227 
Dow,  A.  W.,  analysis  and  tests  of  asphalt 
by 474,475 
Driver,  H.  L.,  acknowledgments  to 480 
Driver,  J.  J.,  on  asphalt  deposits  of  Utah. . .       176 
Drum  Creek  oil  pool,  Kans.,  location  and  • 
extent  of 452 
Drum  formation,  character  and  thickness.   147,506 
Dry  Creek,  Wyo,  section  on 562 
Ducktown,  Tenn.,  copper  ores  at 215 
Durango  Girl  mine,  Colo.,  geology  and  pro 
duct  ion  of 126 
Durango  quadrangle,  Colo.,  mines  in 121-127 
work  in  26 
Dutton,  E.  E.,  on  High  plateaus  of  Utah. . .      208 
E. 
Easton,  F.,  acknowledgments  to 477 
Easton,  S.  A.,  on  value  of  product  of  lead 
silver  mines  of  Coeur  d'Alene 
district,  Idaho 292 
Eaton,  J.  H.,  on  silver  ore  values  in  Colo- 
rado         100 
Eckel,  E.  C,  paper  by,  on  American  cement 
industry 496-505 
paper  by,  on  iron  and  manganese  ores 
in  the  United  States 317-320 
on     iron     ores     of      northeastern 
Texas 348-354 
on  limonite  deposits  of  eastern  New 
York  and  western  New  En- 
gland   ;;:;.,  342 
on  pyrite  deposits  of  western  Adi- 
rondacks 587-588 
work  of 12, 29,  30, 31 
Edgemont,  Wyo. ,  coal  from  near 433 
Edgewise  beds,  occurrence  and  character 
of 259 
Elbert  formation,  occurrence  of 51 
Eldridge,  G.  H.,  on  asphalt,  origin  of 476, 477 
on  Florence,  Colo. ,  oil  field 436, 438 
Elgin  sandstone,  character  and  thickness 
of 447 
Elizabeth    group    of    mines,    Georgetown, 
Colo.,obsidian-likeporphyryin.       105 
Elkton  mine,  Colo.,  ore  bodies  in,  character 
of 91,94 
Ellenville,  N.  Y.,  zinc  at 265 
Ellis,  E.  E.,  paper  by,   on  zinc  and   lead 
mines  near  Dodgeville,  Wis. . .  311-315 
El  Paso  mine,  Colo.,  ore  bodies  in 93, 94 
El  Paso  tunnel,  Colo.,  drainage  by 97 
Elvins  formation,  occurrence  and  charac- 
ter of ,.,  233  234 
Page. 
Emmons,  S.  F.,  on  gold  deposits  at  Great 
Kails,  Md 128 
on  iron  ore  from  Columbia  River 346  347 
paper  by,  on  Cactus  Coppermine 242-248 
on  copper  in  the  Red  Beds  of  the 
Colorado  Plateau  region 221-232 
on  investigations  of  metalliferous 
ores 19-27 
Emmons,  W.  H.,  paper  by,  on  Neglected 
mine   and    near-by  properties, 
Colorado 121-127 
work  of 26 
England,  tin  in,  occurrence  of 175-176 
tin  in,  production  of 162 
publications  on 184 
Eutaw    sands,    occurrence    and    character 
Of 511.519 
Katies  tin  mine,  N.  C,  developments  at  ...      193 
Farmington,  Utah,  oil  prospecting  near...     468, 
470-473 
well  section  near 471    172 
Fee,  C.  S.,  acknowledgments  to 477 
Felsitic  porphyry,  Colorado,  character  of..      105 
occurrence  of 104 
Fenneman,  N.  M.,  paper  by,  on  oil  field  at 
Florence,  Colo 136   HI 
paper  by,  on  oil  fields  of  the  Texas- 
Louisiana  Gulf  coast 159  167 
w< >rk  of 30 
Fertilizers,   mineral,   publications  on,    list 
of 594  595 
Finch,  .1.  \V.,  acknowledgments  to 85 
Finlay,  J.  R.,  on  mines  and  lodes  of  Coeur 
d'Alene  region,  Idaho 274 
Finley  limestone,  correlation  of 234 
Fisher,  C.  A.,  paper  by,  on  bentonite  de- 
posits of  Wyoming 559  563 
work  of 31 
Fitzpatrick  mine,  Iowa,  location  of 265 
Five  Bear  mine,  Cal.,  geology  of 4X 
Flatwoods  clay,  analysis  of 515 
occurrence  and  character  of 515 
Florence,  Colo.,  oil  field,  paper  on 436   I  in 
Folios.    See  Geologic  folios. 
Kollcy  limestone,  correlation  of 234 
Forbes,  David,  on  copper  in  Bolivia 222 
Fori  Scott  limestone,  character  and  thick- 
ness of 449 
Fortuna  mine,  ('tali,  developments  at 240 
Fossett,  Frank,  on  Colorado  ore  deposits. ..        99 
France,  slag  cement  of,  analyses  of 505 
lead  production  of 252 
zinc  production  of 253 
tin  in,  occurrence  of 177 
publications  on 185 
Franklin    Furnace,   X.  J.,  ore  occurrence 
and  character  of  zinc  at 266-268 
Franklin  Furnace  district,  N.  J.,  work  in  ..        21 
Franklin  Range,  X.  M.,  copper  in 226 
Franklinite,  production  of 267 
Fredericktovt  n  dolomite,  correlation  of. . .  234,  259 
Freeman,  Wash.,  clay  deposits  at 555 
