434 
INDEX    TO    NORTH    AMERICAN    GEOLOGY 
Colorado— Continued. 
Camp    Bird    and    Smuggler-Union    fis- 
sures, Purington,  10. 
Camp  Bird  gold  mine,  Titcomb,  1. 
Camp  Bird  mine,  Ouray,  Purington,  3. 
Canyons  of  southeastern  Colorado,  Lee 
(W.  T.),  4. 
Carboniferous    formations    and    faunas 
of  Colorado,  Girty,  3. 
Carboniferous     of     Sangre     de     Cristo 
Range,  Lee  (W.  T.),  5. 
Carnotite  and   associated  vanadiferous 
minerals  in  western  Colorado,   Hille- 
brand  and  Ransome,  1. 
Cave  ore  deposits.  Lakes,  4. 
Cement  materials  and  industry  of  the 
United  States.  Eckel,  .'!4. 
Coal  along  the  eastern  foothills.  Lakes. 
82. 
Coal  and  asphalt  deposits  along  Moffat 
Railway,  Lakes.  60. 
Coal    and    mineral    resources    of    Rout! 
County,  Parsons  and   Liddell,   1. 
Coal  field  between   Ralston   Creek   and 
Boulder,  Lakes.  86. 
Coal  fields  of  Colorado,  Lakes.  62,  SO. 
Coal  mines  of  Huerfano  County,  Lakes. 
99. 
Coal  on  Turkey  Creek,  Stone  (G.  II.),  3. 
Coals  of  southern  Colorado,  Lakes.  85. 
Colorado  Canyon.  Davis   (W.  M.i.  61. 
Colorado  Central  lode.  Foster.  1. 
Colorado  :    Report   of   State    Bureau    of 
Mines,  Lee  (II.  A.).  1. 
Comanche    formation    in    southeastern 
Colorado,  Darton.  24. 
Comparison  of  fossil  diatoms.  Elmore,  1. 
Copper  deposits  at  Pearl,  Spencer    (A. 
C),  7. 
Creede  mining  camp.  Lakes.  50. 
Copper  mining  in  the  Encampment  and 
Pearl  districts.  Read,  4. 
Correlation  of  Colorado  geological  for- 
mations, Underhill,  1. 
Creston    mining    district    in    San    Luis 
Park,  Lakes,  29. 
Cripple  Creek,  Lakes,  2. 
Cripple  Creek  volcano,  Rickard  (T.  A.), 
1. 
Crystalline   development   of   calaverite, 
Smith  (G.  F.  II.).  1. 
Curtis  coal  mine,  Lakes,  3. 
Development  of  pseudomorphs,  Patton, 
2. 
Devonian  fish  remains  from  Colorado, 
Eastman,  16. 
Devonian  formation  in  Colorado,  Cross 
(W.),  5. 
Dinosaur  beds  of  the  Grand  River  Val- 
ley, Riggs,  1. 
Dinosaur  beds  of  Grand  River  Valley 
of  Colorado,  Riggs  and  Farrington,  1. 
District  aurifere  de  Cripple  Creek.  Rit- 
ter,  1. 
Doughty  springs,  a  group  of  radium- 
bearing  springs,  Headden,  3. 
Colorado— Continued. 
Economic  geology,  La  Plata  folio,  Pur- 
ington,  1. 
Economic  geology  of  the  Silverton  quad- 
rangle, Ransome.  1. 
Economic  resources  of  the  foothills  of 
the  front  range,  Lakes,  91. 
Effect  of  cliff  erosion  on  form  of  con- 
tact surfaces,  Fenneman,  0. 
Eocene  and  earlier  beds  of  Huerfano 
Basin.  Colorado,  Hills,  2. 
Emmonsite  from  a  new  locality,  Hille- 
brand,  4. 
Eruptive1  rocks  of  Cripple  Creek, 
Graton,  4. 
Example  of  localization  of  rich  ore, 
Rickard   (T.  A.),  6. 
Examples  of  Colorado  faults,  Lakes,  95. 
Extinct  glaciers  of  Colorado,  Henderson 
(JO,  4. 
Fault  planes  in  the  Dakota  fire-clay 
beds  .it  Golden,  Patton,  3. 
Faults  in  Dakota  formation  at  Golden, 
Patton,  4. 
Florence  oil   field,  Fenneman,  9. 
Formation  of  bonanzas  in  upper  por- 
tions of  gold  veins.  Rickard  (T.  A.), 
3. 
Formation  of  Cripple  Creek  mining  dis- 
trict,   Moore    ( C.    J.),    1. 
Formation  of  Leadville  mining  district, 
Moore  (C.  J.),  2. 
Fossil  mammals  of  Tertiary  of  north- 
eastern Colorado,  Matthew  (W.  D.), 
•  > 
Franceville  meteorite.  Preston  (H.  L.), 
Garnet  l  tenuis  bed  in  Golden  Gate  Can- 
yon.  Bailey,  Rath,  and  Grider,  1. 
Genesis  of  ore  deposits  in  Boulder 
County,  Bagg,  2. 
Ceological  excursion  in  Colorado,  Van 
Hise,.  6. 
Geological  occurrence  of  oil.  Lakes,  19. 
Ceological  phenomena  in  the  Telluride 
quadrangle,  Lay,  1. 
Geological  resurvey  of  the  Criople  Creek 
district,  Lindgren  and  Ransome,  1.  2. 
Geological  structure  of  Camp  Bird  vein, 
Purington,  5. 
Geology  along  the  Animas  River,  Lakes, 
25. 
Geology  and  coal  deposits  of  the  Span- 
ish  Peaks  district.  Lakes,  85. 
Geology  and  economics  along  Moffat 
Railway,  Lakes,    lit. 
Geology  and  underground  water  re- 
sources of  the  central  Great  Plains, 
Darton,  18. 
Geology  of  Castle  Rock  region,  Lee 
(W.  T.),  2. 
Geology  of  hot  springs  of  Colorado, 
Lakes,  90,  103. 
Geology  of  Silverton  quadrangle,  Cross, 
1. 
Geology  of  the  Needle  Mountains  quad- 
rangle, Cross  and  Howe,  3. 
