160  CONTRIBUTIONS    TO    ECONOMIC    GEOLOGY,  1904.         [bull.  26| 
Tower,  G.  W.,  and  Smith,  G.  O.  Geology  and  mining  industry  of  the  Tintic 
district,  Utah.     In  Nineteenth  Ann.  Kept,  pt.  3,  pp.  601-767.     1899. 
Weed,  W.  H.  Geology  of  the  Little  Belt  Mountains,  Montana,  with  notes  on 
the  mineral  deposits  of  the  Neihart,  Barker,  Yogo,  and  other  districts.  In 
Twentieth  Ann.  Kept,  pt.  3,  pp.  271-461.     1900. 
-  Gold  mines  of  the  Marysville  district,  Montana.     In  Bulletin  No.  213| 
pp.  88-89.     1903. 
Weed,  W.  H.,  and  Barrell,  J.  Geology  and  ore  deposits  of  the  Elkhorn  inin-j 
ing  district,  Jefferson  County,  Montana.  In  Twenty -second  Ann.  Kept,  pt.  2, 
pp.  399-550.     1902. 
Weed,  W.  II.,  and  Pirsson,  L.  V.  Geology  of  the  Castle  Mountain  mining  dis- 
trict, Montana.     Bulletin  No.  139.     164  pp.     1896. 
Geology   and  mining  resources  of  the   Judith   Mountains  of 
Montana.     In  Eighteenth  Ann.  Kept,  pt.  3,  pp.  446-616.     1898. 
Williams,  A.  Popular  fallacies  regarding  precious  metal  ore  deposits.  In 
Fourth  Ann.  Kept.,  pp.  253-271.     1884. 
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