SURVEY    PUBLICATIONS  ON    SULPHUR  AND 
PYRITE. 
The  list  below  includes  the  important   publications  of  the  Uniteq 
States  Geological  Survey  on  sulphur  and  pyrite: 
A-dams,  G.  I.     The  Rabbit   Eol<   sulphur  mines,  near  Euniboldl   Bouse,  Nev.     hi 
Bulletin  No.  225,  pp.  197  500.     L904. 
Davis,  II.  .1.     Pyrites.     In  Mineral  Resources  [J.  S.  for  1885.  pp.  50]  517.     L886. 
Eckel,   E.  C.     Gold  and  pyrite  deposits  of  the  Dahlonega  district,  Georgia.     In 
Bulletin  No.  213,  pp.  57  63.     L903. 
Pyrite  deposits  of  the  eastern  A.dirondacks,  X.  Y.     In   Bulletin   No.  260j 
pp    587  588.      L905 
Martin,  W.     Pyrites.     [nMineral  Resources  U.  S.  for  1883  84,  pp.  877  905.     L886J 
Richardson,  G.   B.     Native  sulphur  in   El   Paso  County,  Tex.     In   Bulletin  No! 
260,  pp.  589  592.      '■ 
Ri  ruwELL.    R.   P.     Pyrites.     In   Mineral    Resources   I  .  S.   for   L886.   pp.  650  675. 
1887. 
sin  i;k.  .1 .  E.      Uum  deposit  near  Silver  Peak,  Esmeralda  County,  Nev.     In  Bulletin 
No.  •-'■_,.">.  pp.  .".(U  502.     L904. 
49  i 
