SURVEY  PUBLICATIONS  ON  TIN,  QUICKSILVER,  PLATINUM, 
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  Resources  U.  S.  for  1892,  pp.  139-168.    1893. 
Blake,  W.  P.    Nickel;  its  ores,  distribution,  and  metallurgy.    In  Mineral  Resources  U.  S.  for  1882 
pp.  399-420.     1883. 
-    Tin  ores  and  deposits.     In  Mineral  Resources  U.  S.  for  1883-84,  pp.  592-640.     1885. 
Christy,  S.  B.  Quicksilver  reduction  at  New  Almaden  [Cal.].  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. 
Graton,  L.  C.     The  Carolina  tin  belt.     In  Bulletin  No.  260,  pp.  188-195. 
Hess,  F.  L.,  and  Graton,  L.  C.  The  occurrence  and  distribution  of  tin.  In  Bulletin  No.  260,  pp. 
161-187.     1905. 
Hobbs,  W.  II.  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. 
Kemt,  J.  F.  Geological  relations  and  distribution  of  platinum  and  associated  metals.  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  Sixteenth  Ann.  Rept.,  pt. 
3,  pp.  458-538.     1895. 
Ulke,  T.  Occurrence  of  tin  ore  in  North  Carolina  and  Virginia.  In  Mineral  Resources  U.  S.  for 
1893,  pp.  178-182.     1894. 
Weed,  W.  H.     The  El  Paso  tin  deposits  [Texas].     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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