FOR    THE    YEARS    1901-1905,    INCLUSIVE.  323 
Stoess  (P.  0.). 
1 .  The  Kayak  coal  and  oil  fields  of  Alaska. 
Mg.  &  Sci.  Press,  vol.  87,  p.  65,  1903. 
Describes  the  general  geology  of  the  region  and  the  occurrence  of  coal  and  petroleum. 
Stokes  (H.  N.). 
1.  On  pyrite  and  marcasite. 
(".  S.  Geol.  Surv.,  Bull.  no.  186,  pp.  1-50,  1  pi.,  2  figs.,  1901;  Am.  Jour.  Sci.,  4th  ser.,  vol.  12,  pp. 
414-420,  1901. 
Describes  the  uncertainty  of  the  methods  of  distinguishing  pyrite  and   marcasite  and  a 
method  for  the  quantitative  determination  of  the  minerals  when  in  mixture,  and  discusses 
the  relations  of  these  sulphides  to  those  of  copper. 
Stokes  (H.  N.),  Merrill  (George  P.)  and. 
1.  A  new  stony  meteorite  from  Allegan,  Michigan,  and  a  new  iron  meteorite  from 
Mart,  Texas. 
See  Merrill  (George  P.)  and  Stokes  (H.  N.),  1. 
Stone  (George  H.). 
1.  Note  on  the  minerals  associated  with  copper  in  parts  of  Arizona  and  New  Mexico. 
Abstract:  Science,  new  ser.,  vol.  14,  pp.  796-797,  1901.    Sci.  Am.  Suppl.,  vol.  52,  p.  21505,  1901. 
2.  Note  on  the  extinct  glaciers  of  New  Mexico  and  Arizona. 
Abstract:  Science,  new  ser.,  vol.  14,  p.  798,  1901. 
Brief  account  of  occurrence. 
3.  [Discovery  of  coal  on  Turkey  Creek,  Colorado.] 
Am.  Geol.,  vol.  32,  p.  132,  1903. 
Stone  (Ralph  W.). 
1.  The  Elders  Ridge  coal  field,  Pennsylvania. 
U.  S.  Geol.  Surv.,  Bull.  no.  225,  pp.  311-324,  1904. 
Ocscribes  location  and  geologic  structure  of  the  field  and  the  occurrence  and  character  of  the 
coals. 
2.  Oil  and  gas  fields  of  eastern  Greene  County,  Pa. 
U.  S.  Geol.  Surv.,  Bull.  no.  225,  pp.  396-412,  1  fig.,  1904. 
Describes  the  location  and  general  geology  of  the  field,  the  stratigraphic  position  and  charac- 
ter of  the  oil  and  gas  producing  strata,  the  geologic  structure  of  the  region,  and  the  pro- 
duction of  oil  and  gas. 
3.  Water  resources  of  the  Elders  Ridge  quadrangle,  Pennsylvania. 
U.  S.  Geol.  Surv.,  Water-Supply  and  Irrigation  Paper  no.  110,  pp.  164-165,  1905. 
4.  Water  resources  of  the  Waynesburg  quadrangle,  Pennsylvania. 
U.  S.  Geol.  Surv.,  Water-Supply  and  Irrigation  Paper  no.  110,  pp.  166-167,  1905. 
5.  Coal  resources  of  southwestern  Alaska. 
U.  S.  Geol.  Surv.,  Bull.  no.  259,  pp.  151-171,  1905. 
Describes  briefly  the  general  geology  and  the  various  occurrences  of  coal  beds  and  the  char- 
acter of  the  coals. 
6.  Waynesburg  folio,  Pennsylvania. 
U.  S.  Geol.  Surv.,  Geol.  Atlas  of  U.  S.,  folio  no.  121,  1905. 
Describes  the  physiography,  geologic  structure,  the  occurrence,  character,  and  relations  of 
Carboniferous  strata  and  Pleistocene  deposits,  the   geologic  history,  and   the   mineral 
resources,  chiefly  coal,  natural  gas,  and  oil. 
7.  Elders  Ridge  folio,  Pennsylvania. 
U.  S.  Geol.  Surv.,  Geol.  Atlas  of  U.  S.,  folio  no.  123,  1905. 
Describes  the  physiographic  features,  the  occurrence,  character,  and  relations  of  Carbonifer- 
ous formations,  the  geologic  structure,  the  geologic  history,  and  the  mineral  resources, 
chiefly  coal  and  natural  gas. 
8.  Mineral  resources  of  the  Elders  Ridge  quadrangle,  Pennsylvania. 
U.  S.  Geol.  Surv.,  Bull.  no.  256,  86  pp.,  12  pis.,  4  figs.,  1905. 
Describes  the  geologic  structure,  the  occurrence,  character,  and  relations  of  Carboniferous 
strata,  and  the  mineral  resources,  principally  coal  and  natural  gas. 
