224  INDEX    TO    PUBLICATIONS    OF    U.    S.    GEOL.   SURVEY,      [bull.  177. 
Clay,  fire,  analysis  of,  from  Colorado,  Apishapa  and  Colorado  Springs  quad- 
rangles     Bull  148,  p  298;  Bull  168,  pp  300,  301 
analysis  of,  from  Colorado,  Denver Mon  xxvn,  pp  388-389 
from  Colorado,  Edgemont Ann  16,  iv,  pp  554-555 
Golden Ann  16,  iv,  pp 554-555; 
Ann  18,  v  cont,  p  1150;  Mon  xxvn,  p  390;  Bull 
148,  p  299;   Bull  168,  p  301;    MR  1882,   p  473 
Morrison MR  1882,  p  473 
Pueblo  quadrangle Ann  16,  iv,  pp  554-555; 
Bull  148,  pp  297-298;  Bull  168,  pp  300-301;  GF  36,  p  7 
from  Delaware,  Wilmington  and  Newcastle Ann  16,  iv,  pp  554-555 
from  England,  Stourbridge MR  1882,  p  474 
Yorkshire Mon  xxvn,  pp  388-389 
from  France,  Bollene Mon  xxvn,  pp  388-389 
from  Georgia,  Baldwin  County Ann  16,  i v,  pp  554-555 
from  Germany,  Frankenthal-on-Rhine Mon  xxvn,  pp  388-389 
Hettenleidelheim Ann  19,  vi  cont,  p  427 
from  Indiana,  Lawrence  and  Clay  counties Ann  16,  iv,  pp  554-555 
Parke  County Ann  16,  iv,  pp  554-555;  Ann  18,  v  cont,  p  1150 
Vermilion  County Ann  18,  v  cont,  p  1150 
from  Illinois,  Geneseo  and  New  Windsor Ann  16,  iv,  pp  554-555 
Winchester Ann  16,  iv,  pp  554-555;  MR  1882,  pp  468-469 
from  Iowa,  Crills  Mills Ann  18,  v  cont,  p  1150 
Woodbury  and  Dallas  counties Ann  16,  iv,  pp  554-555 
from  Kentucky,  Ballard  County Ann  12,  i,  p  505 
Carter  County MR  1888,  p  569 
Graves  County Ann  18,  v  cont,  p  1 150 
Hickman  County Ann  12,  i,  p  505 
various  localities Ann  16,  iv,  pp  554-557 
from  Maryland,  Mount  Savage Ann  16,  iv,  pp  556-557;  Ann  18,  v  cont, 
p  1150;  Mon  xxvn,  pp  388-389;  MR  1882,  pp  468-469 
from  Michigan,  Genesee  County Ann  18,  v  cont,  p  1151 
from  Minnesota,  Blue  Earth  County Ann  16,  i v,  pp  556-557 
from  Missouri,  Cheltenham Ann  16,  iv,  pp  556-557; 
Mon  xxvn,  pp  388-389;  MR  1882,  pp  468-469,  474 
St.  Louis Ann  16,  iv,  pp  556-557 ;  MR  1882,  pp  468-469 
various  localities Ann  18,  v  cont,  pp  1151-1154 
from  Montana,  Deerlodge  County Ann  16,  iv,  pp  556-557 
from  New  Jersey,  various  localities Ann  16,  iv,  pp  556-557;  Ann  18,  v, 
p  1154;  Mon  xxvn,  pp  388-389;  MR  1882,  pp  468-469 
from  New  York,  Richmond  County Ann  16,  iv,  pp  556-557 
from  North  Carolina,  Cleveland  and  Guilford  counties.  .Ann  19,  vi  cont,  p  485 
Moore  and  Harnett  counties Ann  16,  iv,  pp  556-557 
from  North  Dakota,  Mercer,  Stark,  Ward  counties Ann  16,  iv,  pp  556-557 
from  Ohio Ann  19,  vi  cont,  p  395 
Sciotoville  and  Portsmouth Mon  xxvn,  pp  388-389 
various  localities. .  .Ann  16,  iv,  pp  556-557;  Ann  18,  v  cont,  pp  1154-1155 
from  Pennsylvania,  Johnstown.  .Mon  xxvn,  pp  388-389;  MR  1882,  pp  468-469 
various  localities Ann  16,  iv,  pp  556-559;  Ann  18,  v  cont,  p  1155 
Woodland Ann  16,  iv,  pp  556-557;  MR  1882,  pp  468-469 
from  South  Dakota,  Rapid Ann  16,  iv,  pp  558-559;  Ann  18,  v  cont,  p  1155 
from  Sweden,  various  localities Ann  19,  vi  cont,  p  449 
from  Texas,  Henderson  County Ann  16,  i v,  pp  558-559 
Montague  County Ann  18,  v  cont,  p  1155 
from  Washington,  King,  Pierce,  and  Skagit  counties.  .Ann  16,  iv,  pp  558-559 
