THE   CORDILLERAS.  897 
m  Description  of  the  Absaroka  quadrangle,  by  Arnold  Hague.  Geologic  Atlas 
U.  S.,  folio  52,  U.  S.  Geol.  Survey,  1899. 
122  Report  on  the  geology  and  resources  of  the  Black  Hills  of  Dakota,  by  Henry 
Newton  and  Walter  P.  Jenney.  Rept.  U.  S.  Geol.  and  Geog.  Survey  Rocky  Mtn. 
Region,  1880,  p.  27. 
123  A  geological  reconnaissance  in  northwest  Wyoming,  by  George  H.  Eldridge. 
Bull.  U.  S.  Geol.  Survey  No.  119,  1894,  p.  17,  with  geological  map. 
124A  preliminary  report  on  the  artesian  basins  of  Wyoming,  by  Wilbur  C. 
Knight.  Bull.  Wyoming  Exper.  Sta.  No.  45,  1900.  Pre-Cambrian,  pp.  111-116, 
with  geological  map.  This  is  the  first  geological  map  of  Wyoming  that  has 
appeared. 
125  Geology  of  the  Hartville  quadrangle  of  Wyoming,  by  W.  S.  Tangier  Smith. 
Geologic  Atlas  U.  S.,  folio  91,  U.  S.  Geol.  Survey,  1903. 
126  rpj^  COpper  deposits  of  the  Encampment  district,  Wyoming,  by  Arthur  C. 
Spencer.     Prof.  Paper  U.  S.  Geol.  Survey  No.  25,  1904,  pp.  107. 
127  Description  of  the  Sundance  quadrangle,  Wyoming  and  South  Dakota,  by 
N.  H.  Darton.     Geologic  Atlas  U.  S.,  folio  127,  U.  S.  Geol.  Survey,  1905. 
128  Description  of  the  Aladdin  quadrangle,  by  N.  H.  Darton  and  C.  C.  O'Harra. 
Igneous  rocks,  by  W.  S.  Tangier  Smith.  Geologic  Atlas  U.  S„  folio  128,  U.  S. 
Geol.  Survey,  1905. 
129  Description  of  the  Bald  Mountain  and  Dayton  quadrangles,  by  N.  H. 
Darton.  Geol.  Atlas  IT.  S.,  folio  141,  U.  S.  Geol.  Survey,  1906.  Description  of 
the  Cloud  Peak  and  Fort  McKinnev  quadrangles,  by  N.  H.  Darton.  Geol.  Atlas 
U.  S.,  folio  142,  U.  S.  Geol.  Survey,  1906.  Geology  of  the  Bighorn  Mountains, 
by  N.  H.  Darton.  Prof.  Paper  U.  S.  Geol.  Survey  No.  51,  1906,  pp.  129.  See 
also  Geology  and  water  resources  of  the  Bighorn  Basin,  AYyoming,  by  Cassius 
A.  Fisher.     Prof.  Paper  U.  S.  Geol.  Survey  No.  53,  1906,  pp.  72. 
130  Manuscript  prepared  for  this  bulletin  by  S.  H.  Ball,  1907. 
131A  geological  reconnaissance  across  Idaho,  by  George  H.  Eldridge.     Sixteenth 
Ann.  Rept.  U.  S.  Geol.  Survey,  pt.  2,  1895,  pp.  217-276. 
182  Personal  communication  by  F.  L.  Ransome. 
133  A  geological  reconnaissance  across  the  Bitterroot  Range  and  Clearwater 
Mountains  in  Montana  and  Idaho,  by  Waldemar  Lindgren.  Prof.  Paper  U.  S. 
Geol.  Survey  No.  27,  1904,  123  pp.,  with  geological  map. 
134  Ore  deposits  of  the  Cceur  d'Alene  district,  Idaho,  by  F.  L.  Ransome.  Bull. 
U.  S.  Geol.  Survey  No.  260,  1905,  pp.  274-303. 
""Abstract  from  letter  to  authors,  January  12,  1905. 
136  Ore  deposits  in  the  St.  Joe  River  basin,  Idaho,  by  Arthur  J.  Collier.  Bull. 
F.  S.  Geol.  Survey  No.  2xr>,  1906,  pp.  129-139,  with  map. 
137  Personal  communication  by  F.  C.  Calkins. 
i37a  Tlle  geoi()gy  an(j  ore  deposits  of  the  Cceur  d'Alene  district,  Idaho,  by  F.  L. 
Ransome  and  F.  C.  Calkins.  Prof.  Taper  U.  S.  Geol.  Survey  No.  62,  1908,  pp. 
203. 
138  Report  on  the  minerals,  rocks,  and  thermal  springs  of  the  region  traversed 
by  Hayden,  by  A.  C.  Peale.  Prelim.  Rept.  U.*  S.  Geol.  Survey  of  Montana,  etc., 
1872,  pp.  165-204. 
139  Notes  descriptive  of  some  geological  sections  of  the  country  about  the 
headwaters  of  the  Missouri  and  Yellowstone  rivers,  by  F.  V.  Hayden.  Bull. 
F.  S.  Geol.  and  Geog.  Survey  Terr.,  vol.  2,  1876,  pp.  197-2<><>. 
140  Report  on  the  geology  of  the  Yellowstone  National  Park,  by  W.  H.  Holmes. 
Twelfth  Ann.  Rept.  U.  S.  Geol.  and  Geog.  Survey  Terr.,  pt.  2,  1883,  pp.  1-62. 
55721— Bull.  360—09 57 
