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   Resources  U.   S.   for  1802.  pp. 
139-108.     1893. 
Blake,   W.   P.     Nickel;    its  ores,   distribution,   and  metallurgy.     In   Mineral : 
Resources  II.  S.  for  1882,  pp.  399-420.     1883. 
Tin  ores  and  deposits.     In  Mineral  Resources  U.  S.  for  1883-81.  pp. 
592-640.     1885. 
Christy,    S.    B.     Quicksilver    reduction    at    New    Almaden    [California],     Iir 
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.  94-07.     1003. 
Glenn,   W.     Chromic  iron.     In   Seventeenth  Ann.   Rept..   pt.   3.   pp.   261-273. "J 
4896. 
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.    08 
1903. 
Kemp,  J.  F.     Geological  relations  and  distribution  of  platinum  and  associated 
metals.     Bulletin  No.  103,  05  pp.  1002. 
Packard,  R.  L.     Genesis  of  nickel  ores.     In  Mineral  Resources  U.  S.  for  1802 
pp.  170-177.     1803. 
Rolker,  C.  M.     The  production  of  tin  in  various  parts  of  the  world.     In  Six^ 
teenth  Ann.  Rept.,  pt.  3.  pp.  458-538.     1805. 
Ulke,  T.     Occurrence  of  tin  ore  in  North  Carolina  and  Virginia.     In  Minera 
Resources  U.  S.  for  1803,  pp.  178-182.     1894. 
Weed,  W.  II.     The  El  Paso  tin  deposits    [Texas].     Bulletin  No.   178,  6  pi 
1001. 
Tin  deposits  at  El  Paso,  Tex.     In  Bulletin  No.  213,  pp.  00-102.     1001 
Weeks,  F.  B.     An  occurrence  of  tungsten  ore  in  eastern  Nevada.     In  Twcntj 
first  Ann.  Rept.,  pt.  6,  pp.  310-320.     1001. 
Tungsten  ore  in  eastern  Nevada.     In  Bulletin  No.  213,  p.  103.     1901 
196 
