FOR    THE    YEARS    1901-1905,  INCLUSIVE. 
471 
Economic  geology— Continued. 
Montana — Continued. 
Geological  reconnaissance  across  the 
Bitterroot  Range  and  Clearwater 
Mountains,   Lindgren.   21. 
Geology  and  ore  deposits  of  Elkhorn 
mining  district,  Weed.  .">. 
Geology  of  the  Butte  mining  district, 
Miller   (G.   \Y. ).  2. 
Gold  mines  of  Marysville  district. 
Weed.   14. 
Gold  nugget  from  Montana.  Pearce.  1. 
Gold  production  of  North  America. 
Lindgren,   1<>. 
Gypsum  deposits,  Rowe,  5. 
Gypsum  deposits  in  Montana,  Weed.  25. 
Igneous  rocks  and  their  segregation, 
Winchell  (A.  N.),  4. 
Influence  of  country  rock  on  mineral 
veins,  Weed.  <>. 
Mineral  deposits  of  Bitterroot  Range 
and  Clearwater  Mountains,  Lindgren, 
11. 
Montana  coal  fields,  Rowe,  2,  6. 
Oil  of  the  northern  Rocky  Mountains. 
Willis,   4. 
Ore  deposits  at   Butte,  Weed,  16. 
Ores  of  Butte  mining  district,  Byrne,  3. 
Rocky  Mountain  coal  fields,  Storrs  ( L. 
S.),   1. 
Source  of  placer  gold  in  Alder  Gulch, 
Douglass,  11. 
Volcanic  ash  heds  of  Montana,  Rowe.  1. 
Nebraska. 
Cement  materials  and  industry  of  the 
United  States,  Eckel,  34. 
Comparative  value  of  bluff  and  valley 
wash  deposits  as  brick  material, 
Fisher  (C.  A.),  1. 
Dakota  and  Carboniferous  clays  of  Ne- 
braska, Gould  and  Fisher,  1. 
Dakota  Cretaceous  of  Kansas  and  Ne- 
braska, Gould,  .". 
Geology  and  underground  water  re- 
sources of  the  central  Great  Plains, 
Da  rton,  18. 
Geology  of  Dakota  County,  Burchard,  2. 
Jefferson  County,  Carmony,  1. 
Lignites  of  the  Missouri  Valley.  Burch- 
ard, 1. 
Limestone  quarries  of  Nebraska,  Fisher 
(C.  A.),  2. 
Report  of  State  geologist,  Barbour  (E. 
ID.  8. 
Scotts  Bluff  folio,  Darton.  11. 
Nevada. 
Alum  deposit  near  Silver  Peak,  Spurr, 
21. 
Building  stones  of  Nevada,  Reid  (.1. 
A.),  2. 
Cement  materials  and  industry  of  the 
United  States.  Eckel,  34. 
Coal  deposits  between  Silver  Creek  and 
Candelaria,  Spurr.  20. 
Contact  quaquaversal,  Purington,  2. 
Delamai  and  Horn-Silver  mines,  Em- 
mons (S.  F.),  3. 
Economic  geology — Continued. 
Xevada—(  "on  I  inued. 
Developments  at  Tonopah  during  1904, 
Spurr,  26. 
District  of  Goldfield.  Draper,  1. 
Genetic    relations    of    western    Nevada 
ores,   Spurr.  .".1. 
Geological  features  of  Nevada.  Louder- 
back,   1. 
Geology  of  Goldfield,  Dominian,  1,  2. 
Geology  of  Goldfields  district.  Spurr.  10. 
Geology  of  Nevada,  Spurr,  6. 
Geology    of    region    of    Walker    River. 
Smith  (I).  T. ).  2. 
Geology    of    the    Tonopah    mining    dis- 
trict, Spurr,  20. 
Gold-bearing  quartzites  of  eastern   Ne- 
vada, Weeks,  2. 
Gold     production     of     North     America, 
Lindgren,   16. 
Gold     production     of     North     America. 
Turner,  15. 
Gypsum    deposits    in    Nevada,    Louder- 
back,   5. 
Gypsum    deposits    of    Nevada,    Louder- 
back,  2. 
Hydrothermal  activity  in-  veins  at  We- 
dekind,  Morris,  1. 
Lone  Mountain  district,  Lakes.  72. 
Mines  of  Esmeralda  County.  Turner,  "5. 
Montezuma  district.  Stretch.  :'.. 
Nevada  coal  field.  Stoneham,  1. 
Nevada  ore  deposit,  Wiel,  1. 
Nitrate     deposits,     Humboldt     County, 
Wagenen,  1. 
Notes  on  Goldfield,  Winchell   (II.  V.  (,  ."",. 
Notes  on  Tonopah,  Easton,  1. 
Notes  on  two  desert  mines,  Emmons  i  S. 
F. »,  2. 
Occurrence  of  tungsten  ore.  Weeks,  1. 
Ore  deposits  of  Contact.  Bailey   i  J.  T.), 
1, 
Ore  deposits  of  Silver  Peak  quadrangle, 
Spurr,  18. 
Ore  deposits   of  Tonopah,   Spurr.    8,   0, 
11. 
Ores  of  Goldfield,  Spurr.  2.1. 
Osceola    tungsten    deposits,    Smith    (F. 
I).).  1. 
Rabbit  Hole  sulphur  mines,  Adams   (G. 
I.),   16. 
Santa  Fe  mining  district.  McCormick,  1. 
Silver  Peak  region,  Spurr,  22. 
Tatigkeit  heisser  Quellen  in  den  Gang- 
en  von  Wedekind,  Wendeborn,  1. 
Tonopah,  Knapp  (S.  A.),  1. 
Tonopah  mining  camp,  Lakes,  68. 
Tonopah  mining  district.  Spurr,  27. 
Tungsten  ore  in  eastern  Nevada.  Weeks, 
8. 
Newfoundland. 
Exploration     in     Carboniferous     basin 
near  Grand  Lake,   Howley,   2. 
Pyrites     deposits     at     Port     au     Port, 
Meissner,  1, 
