356  CONTRIBUTIONS    TO    ECONOMIC    GEOLOGY,  1901.         [bull.  26o] 
Leith,  C.  K.  The  Mesabi  iron-bearing  district  of  Minnesota.  Monograph' 
XLIII,  U.  S.  Geol.  Survey,  316  pp.     1903. 
Geologic   work   in  the  Lake   Superior  iron  district  during   1902.     In 
Bulletin  U.  S.  Geol.  Survey  No.  213,  pp.  247-250.     1903. 
The  Lake   Superior  mining  region  during  1903.     In   Bulletin   U.    S. 
Geol.  Survey  No.  225,  pp.  215-220.     1904. 
Iron  ores  in  southern  Utah.     In  Bulletin  U.  S.  Geol.  Survey  No.  225. 
pp.  229-237.     1904. 
Smith,  E.  A.  The  iron  ores  of  Alabama  in  their  geological  relations.  In 
Mineral  Resources  U.  S.  for  1882,  pp.  149-161.     1883. 
Smith,  Geo.  O.,  and  Willis,  B.  The  Clealum  iron  ores,  Washington.  In 
Trans.  Am.  Inst.  Min.  Eng.,  vol.  30,  pp.  356-366.     1901. 
Spencer,  A.  C.  The  iron  ores  of  Santiago,  Cuba.  In  Eng.  and  Min.  Jour, 
vol.  72,  pp.  633-634.     1901. 
Manganese  deposits  of  Santiago,  Cuba.     In  Bulletin  U.  S.  Geol.  Sur 
vey  No.  213,  pp.  251-255.     1903. 
Swank,  J.  M.  The  American  iron  industry  from  its  beginning  in  1619  to 
1886.     In  Mineral  Resources  U.  S.  for  1886,  pp.  23-38.     1887. 
Iron  and  steel  and  allied  industries  in  all  countries.     In  Sixteenth 
Ann.  Rept.  U.  S.  Geol.  Survey,  pt.  3,  pp.  219-250      1894. 
Van  Hise,  C.  R.,  Bayley,  W.  S.,  and  Smyth,  II.  L.  The  Marquette  iron- 
bearing  district  of  Michigan,  with  atlas.  Monograph  XXVIII,  U.  S.  Geol.  Sur- 
vey, 608  pp.     1897. 
Van  Hise,  C.  R.  The  iron-ore  deposits  of  the  Lake  Superior  region.  In 
Twenty-first  Ann.  Rept.  U.  S.  Geol.  Survey,  pt.  3,  pp.  305-434.     1901. 
Weeks,  J.  D.  Manganese.  In  Mineral  Resources  U.  S.  for  1885,  pp.  303| 
356.     1886. 
Manganese.     In    Mineral    Resources    U.    S.    for    1887,    pp.    144-107.  j 
1888. 
Manganese.     In  Mineral  Resources  U.  S.  for  1892,  pp.  169-226.     1893 
Wolff,  J.  E.     Zinc  and  manganese  deposits  of  Franklin  Furnace,  N.  J.     In 
Bulletin  U.  S.  Geol.  Survey  No.  213,  pp.  214-217.     1903. 
Yale,  C.  G.     Iron  on  the  Pacific  coast.     In  Mineral  Resources  U.  S.  for  1883- j 
84,  pp.  286-290.     1885. 
In  addition  to  the  papers  listed  above,  iron  deposits  of  more  or  less 
importance  have  been  described  in  the  following  geologic  folios  (fori 
location  and  further  details  see  pp.  13-16)  :  Nos.  2,  4,  5,  6,  8,  10,  11,  12, 
14,  18,  19,  20,  21,  22,  24,  25,  28,  32  33,  35,  36,  37,  40,  43,  44,  55,  56, 
59,  61,  62,  64,  70,  72,  78,  82,  83,  84. 
i 
