GEOLOGICAL  SURVEY  PUBLICATIONS  ON  QUICKSILVER,  PLATINUM,  TIN, 
TUNGSTEN,  CHROMIUM,  AND  NICKEL, 
The  principal  publications  by  the  United  States  Geological  Survey 
on  the  metals  here  grouped  are  the  following: 
Becker,  G.  F.     Geology  of  the  quicksilver  deposits  of  the  Pacific  slope,  with 
atlas.     Monograph  XIII.     486  pp.     1888. 
Quicksilver  ore  deposits.     In  Mineral  Eesources  U.  S.  for  1892,  pp.  139- 
168.     1893. 
Blake,   W.  P.      Nickel;     its    ores,    distribution,    and    metallurgy.     In    Mineral 
Resources  IT.  S.  for  1882,  pp.  399-420.     1883. 
Tin   ores  and  deposits.     In  Mineral    Resources   U.   S.   for   1883-84,   pp. 
592-640.     1885. 
Brooks,   A.   H.     An   occurrence   of    stream   tin   the   York   region,    Alaska.     In 
Mineral  Resources  U.  S.  for  1900,  pp.  267-271.     1901. 
Stream  tin  in  Alaska.     In  Bulletin  No.  213,  pp.  92-93.     1903. 
Christy,  S.  B.     Quicksilver  reduction  at  New  Almaden  [California].     In  Mineral 
Resources  U.  S.  for  1883-84,  pp.  503-536.     1885. 
Emmons,  S.  F.     Platinum   in  copper   ores   in    Wyoming.     In  Bulletin   No.   213, 
pp.  94-97.     1903. 
Glenn,  W.     Chromic  iron.     In   Seventeenth  Ann.    Rept.,    pt.    3,    pp.    261-273. 
1896. 
Hobbs,  W.  H.     The  old  tungsten  mine  at  Trumbull,  Conn.     In  Twenty-second 
Ann.  Rept,,  pt.  2,  pp.  7-22.     1902. 
Tungsten  mining  at  Trumbull,  Conn.     In  Bulletin  No.  213,  p.  98.     1903. 
Kemp,  J.   F.     Geological  relations  and  distribution  of  platinum  and  associated 
metals.     In  Bulletin  No.  193.     95  pp.     1902. 
Packard,  R.  L.     Genesis  of  nickel  ores.     In  Mineral  Resources  U.  S.  for  1892, 
pp.  170-177.     1893. 
Rolker,  C.  M.     The  production  of  tin  in  various  parts  of  the  world.     In  Six- 
teenth Ann.  Rept.,  pt.  3,  pp.  458-538.     1895. 
Ulke,  T.     Occurrence  of   tin  ore  in  North  Carolina  and   Virginia.     In  Mineral 
Resources  IT.  S.  for  1893,  pp.  178-182.     1894. 
Weed,  W.  H.     The  El  Paso  tin  deposits  [Texas].    In  Bulletin  No.  178.    6  pp.    1901. 
Tin  deposits  at  El  Paso,  Tex.     In  Bulletin  No.  213,  pp.  99-102.     1903. 
Weeks,  F.  B.     An  occurrence  of  tungsten  ore  in  eastern  Nevada.     In  Twenty-first 
Ann.  Rept.,  pt.  6,  pp.  319-320.     1901. 
Tungsten  ore  in  eastern  Nevada.     In  Bulletin  No.  213,  p.  103.     1903. 
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