374  BIBLIOGRAPHY    OF    NORTH    AMERICAN    GEOLOGY 
Winchell  (Horace  V. ) — Continued. 
4.  Butte  [Idaho]  copper  veins. 
Eng.  &  Mg.  Jour.,  vol.  78,  pp.  7-8,  1  fig.,  1904. 
Describes  the  general  geologic  structure  and  the  character  and  occurrence  of  the  copper  ore 
deposits. 
5.  Notes  on  Goldfield,  Nevada. 
Am.  Geol.,  vol.  35,  pp.  382-385,  1905. 
Describes  the  location  and  character  of  the  mining  district,  and  the  occurrence  and  character 
of  the  gold-ore  deposits. 
Winchell  (Newton  H.). 
1.  A  new  iron-bearing  horizon  in  the  Keewatin  in  Minnesota. 
Lake  Sup.  Mg.  Inst,,  Proc,  vol.  5,  pp.  46-48  [1898?]. 
Contains  notes  on  the  geology  and  occurrence  of  ore  in  this  region. 
2.  Geological  atlas  with  synoptical  descriptions  [Minnesota]. 
Minn.  Geol.  &  Nat.  Hist.  Surv.,  Final  Rept.,  vol.  6,  88  pis.,  1901. 
3.  Glacial  lakes  of  Minnesota. 
Geol.  Soc.  Am.,  Bull.,  vol.  12,  pp.  109-128,  1  pi.,  1901. 
Describes  the  retreat  of  the  ice  sheets  and  the  occurrence  of  the  several  Glacial  lakes  of  the 
region. 
4.  Edward  Waller  Claypole. 
Am.  Geol.,  vol.  28,  pp.  247-248,  1901. 
Gives  a  sketch  of  the  life  of  Prof.  Claypole. 
5.  The  origin  of  Australian  iron  ores. 
Am.  Geol.,  vol.  28,  pp.  248-250,  1901. 
Reviews  paper  by  J.  B.  Jaquet  on  "The  iron-ore  deposits  of  New  South  Wales,"  and  compares 
them  with  certain  deposits  in  the  State  of  Washington. 
6.  Fundamental  changes  in  the  Archean  and  Algonkian,  as  understood  by  Prof.  Van 
Hise,  of  the  United  States  Geological  Survey. 
Am.  Geol.,  vol.  28,  pp.  385-388,  1901. 
Reviews  a  recent  paper  by  Prof.  Van  Hise. 
7.  Sketch  of  the  iron  ores  of  Minnesota. 
Am.  Geol.,  vol.  29,  pp.  154-162,  1902;  Int.  Mg.  Cong.,  4th  session,  Proc,  pp.  136-140, 1902. 
Describes  the  general  geology  and  the  occurrence  and  origin  of  the  iron  ores. 
8.  The  geology  of  the  Mississippi  Valley  at  Little  Falls,  Minnesota. 
Memoirs  of  Explorations  in  the  Basin  of  the  Mississippi,  vol.  5,  Kakabikansing,  pp.  89-104, 
1902. 
Describes  occurrence  and  character  of  strata  at  this  locality  and  sketches  their  geological 
history. 
9.  Regeneration  of  clastic  feldspar. 
Abstract:  Science,  new  ser.,  vol.  15,  p.  85,  1902. 
10.  The  Monthly  American  Journal  of  Geology  and  Natural  Science. 
Am.  Geol.,  vol.  30,  pp.  62-64,  1902. 
Gives  an  account  of  this  publication  issued  in  1831-2. 
11.  The  Sutton  Mountain. 
Am.  Geol.,  vol.  30,  pp.  118-120, 1902. 
In  discussing  the  geology  of  the  region  refers  to  an  article  by  J.  A.  Dresser. 
12.  The  Lansing  [Kansas]  skeleton. 
Am.  Geol.,  vol.  30,  pp.  189-194,  1902. 
Describes  the  deposits  in  which  the  skeleton  was  found  and  gives  an  estimate  of  its  age. 
13.  Some  results  of  the  late  Minnesota  Geological  Survey. 
Am.  Geol.,  vol.  31,  pp.  246-253,  1903. 
Gives  a  brief  summary  of  the  results  of  this  survey. 
