THE    CORDILLERAS.  895 
86  Geological  report  on  the  southeastern  district,  by  F.  M.  Endlieh.  Ninth 
Ann.  Kept.  U.  S.  Geol.  and  Geog.  Survey  Terr.,  1877,  pp.  103-235,  with  atlas 
sheets. 
81  Report  on  the  geology  of  the  White  River  district,  by  F.  M.  Endlieh.  Tenth 
Ann.  Rept.  U.  S.  Geol.  and  Geog.  Survey  Terr.,  1878,  pp.  61-131. 
82  Geology  of  Silver  Cliff  and  the  Rosita  Hills,  Colorado,  by  Whitman  Cross. 
Seventeenth  Ann.  Rept.  U.  S.  Geol.  Survey,  pt.  2,  1896,  pp.  263-403. 
83  Description  of  the  Pueblo  quadrangle,  by  G.  K.  Gilbert.  Geologic  Atlas 
U.  S.,  folio  36,  U.  S.  Geol.  Survey,  1807. 
84  Description  of  the  Walsenburg  quadrangle,  Colorado,  by  R.  C.  Hills.  Geo- 
logic Atlas  U.  S.,  folio  68,  U.  S.  Geol.  Survey,  1900. 
85  Unpublished  field  notes  by  C.  R.  Aran  Hise  and  C.  K.  Leith,  summer  of  1905. 
86  Systematic  geology,  by  Clarence  King.  Rept.  U.  S.  Geol.  Explor.  40th  Par., 
vol.  1,  1878,  pp.  15-126. 
"Abstract  of  report  on  geology  and  mining  industry  of  Leadville,  Lake 
County,  Colo.,  by  S.  F.  Emmons.  Second  Ann.  Rept.  U.  S.  Geol.  Survey.  1882, 
pp.  201-290,  2  pis.  See  also  Mon.  U.  S.  Geol.  Survey,  vol.  12,  1886,  pp.  45-52, 
58-60. 
88  Description  of  the  Tenmile  district,  Colorado,  by  S.  F.  Emmons.  Geologic 
Atlas  U.  S.,  folio  48,  U.  S.  Geol.  Survey,  1898. 
B9Geology,  mineralogy,  and  mining  industry,  by  F.  V.  Hayden.  Seventh  Ann. 
Rept.  IT.  S.  Geol.  and  Geog.  Survey  Terr.,  1874,  pp.  15-82,  with  atlas  sheets. 
See  also  Eighth  Ann  Rept.  U.  S.  Geol.  and  Geog.  Survey  Terr.,  1876,  pp.  19-58, 
with  atlas  sheets. 
90  Geology  of  the  Aspen  mining  region,  Pitkin  County,  Colo.,  by  Arthur  Lakes. 
Bienn.  Rept.  State  School  of  Mines,  Golden,  Colo.,  1886,  pp.  43-84. 
91  Series  of  peculiar  schists  near  Salida,  Colo.,  by  Whitman  Cross.  Proc. 
Colorado  Sci.  Soc,  January,  1893,  pp.  1-10. 
92  Description  of  the  Anthracite-Crested  Butte  quadrangle,  by  George  H. 
Eldridge.     Geologic  Atlas  U.  S.,  folio  9,  U.  S.  Geol.  Survey,  1894. 
93  Sketch  of  a  portion  of  the  Gunnison  gold  belt,  including  the  Vulcan  and 
.Mammoth  Chimney  mines,  by  Arthur  Lakes.  Trans.  Am.  Inst.  Min.  Eng.,  vol. 
26,  1S97,  pp.  440^48. 
94  Geology  of  the  Aspen  mining  district,  Colorado,  by  J.  E.  Spurr.  Mon.  U.  S. 
Geol.  Survey,  vol.  31,  1898,  pp.  1-1,  with  atlas. 
95  Report  upon  the  Eagle,  Grand,  and  Gunnison  rivers,  by  A.  C.  Peale.  Eighth 
Ann.  Rept.  U.  S.  Geol.  and  Geog.  Survey  Terr.,  1876,  pp.  73-180,  with  atlas 
sheets. 
96  Geological  report  on  the  Grand  River  district,  by  A.  C.  Peale.  Ninth  Ann. 
Rept.  IT.  S.  Geol.  and  Geog.  Survey  Terr.,  1877,  pp.  29-101,  with  atlas  sheets. 
97  Report  upon  the  San  Juan  region,  by  F.  M.  Endlieh.  Eighth  Ann.  Rept. 
U.  S.  Geol.  and  Geog.  Survey  Terr.,  1876,  pp.  181-240,  with  atlas  sheets. 
"Notes  on  the  geology  and  mineralogy  of  San  Juan  County,  Colo.,  by  Theo- 
dore B.  Comstock.     Trans.  Am.  Inst.  Min.  Eng.,  vol.  11,  1883,  pp.  165-191. 
99  The  geology  and  vein  structure  of  southwestern  Colorado,  by  Theodore  B. 
Comstock.     Idem,  vol.  15,  1887,  pp.  218-265. 
100  Geology  of  Colorado  coal  deposits,  by  Arthur  Lakes.  Ann.  Rept.  State 
School  of  Mines,  Golden,  Colo.,  1889,  pp.  264. 
101  Description  of  the  Telluride  quadrangle,  Colorado,  by  Whitman  Cross. 
Geologic  Atlas  U.  S.,  folio  57,  IT.  S.  Geol.  Survey,  1899. 
102  Geology  of  the  Rico  Mountains,  Colorado,  by  Whitman  Cross  and  A.  C. 
Spencer.  Twenty-first  Ann.  Rept.  U.  S.  Geol.  Survey,  pt.  2.  L900,  pp.  ."»T  78, 
with  geological  map.     See  also  description  of  the  Rico  quadrangle,  Colorado, 
