warman.]  CRETACEOUS.  261 
Cretaceous  rocks;  Austin  chalk  of  Texas Ann  18,  n,  pp  239-240; 
Ann  21,  vn,  pp  329-336,  Bull  164,  pp  19-20;  GF  64,  p  2 
Austin  formation  of  Texas Bull  82,  pp  116, 118, 122  et  seq,  221,  223 
Basement  sands  of  Texas Ann  21,  vn,  pp  132-140,  171, 192 
Belly  River  formation  of  north  interior  region. ..Bull  82,  pp  170,173-177,191,239 
Benton  formation  in  Colorado Bull  82,  p  191;  GF  9,  pp  6,  9;  GF  58,  p  1 
in  Colorado,  Aspen  district Mon  xxxi,  p  41 
Denver  Basin Mon  xxvn,  pp  26,65-66,87,107 
in  Kansas,  southwestern Bull  57,  pp  27-30;  WS  6,  pp  31-32 
in  Montana GF  1,  p  2;  GF  55,  p  2 
Judith  Mountains Ann  18,  in,  p  482 
in  Nebraska Ann  19,  iv,  pp  737,  760 
southeastern WS  12,  p  19 
in  Wyoming GF  30,  p  5 
Bitter  Creek  series  <  >f  Wyoming Bull  83,  pp  117, 118, 121 
bituminous  deposits  of Ann  11,  i,  pp  597-598 
Brownstown  beds  of  Texas inn  21,  vn,  p  340 
Buda  limestone  of  Texas Ann  is,  n.  pp  237-238; 
Ann  21,  vn,  pp  288-290;  Bull  164,  p  18;  GF  64,  p  2 
Carlile  formation  of  black  Hills Ann  21,  iv,  pp  533-534 
Carlile  shale  of  Colorado Ann  17,  n,  pp  565,  57 1 ; 
GF  36,  p  3;  GF58,pl;  GF68,p  1 
Cascade  formation  of  Montana GF  55,  p  2;  GF  5l  i,  p  2 
( Vratops  beds  of  Wyoming Ann  21,  iv,  p  540 
Chico  beds,  unconformity  between  the  Knoxville  and Bull 49,  pp  12-17 
Chico  formation  of  California  and  Siena  Nevada Ann  14,  n,  pp  45S-461 ; 
A  nn  17,  i,  p  547;  Mon  xm,  pp  1 79,  294-295; 
GF3,p  1;  GF5,p3;  GF15,  ppl,2;  GF31, 
p   1;  GF  37,  p  1;  GF  43,  p   1;  GF  51,  p  1 
(See,  also,  main  entry  Chico-Tejon. ) 
coal  beds  in Bull  82,  pp  180-181 
c(  »al  series  <  >f  Texas Bull  164,  pp  22-26 
Coffee  group  < >f  M ississippi Bull  82,  p  105 
Colorado  formation,  correlation  of Bull  82, 
pp  1 70, 172-173, 176,  231,  233,  237,  239,  250,  261;  GF  7,  pp  2,  4 
in  Colorado,  Aspen  district Mon  xxxi,  pp  41-42 
Denver  Basin Mon  xxvn,  pp  26,  64-68 
in  Montana GF  1,  p  2;  GF  24,  p  3;  GF  55,  p  2 
in  South  Dakota WS  34,  pp  15-16 
in  Yellowstone  Park.  .Mon  xxxn,  n,  pp  37,  51,  53, 156,  605-606;  GF  30,  pp  2, 5 
Colorado  formation  and  its  invertebrate  fauna Bull  1 06 
Colorado  group Ann  9,  p  689 
Comanche  Peak  limestone  of  Texas Ann  18,  n,  p  226; 
Ann  21,  vn,  pp  214-216,  223-227;  GF  42,  p  2;  GF  64,  p  1 
Comanche  series  of  Texas Ann  21,  vn,  pp  128-292; 
Bull  82,  pp  116,  118,  119-121,  127,130,221,223,225, 
229,  250,  253-254;  Bull  164,  pp  16-18;  GF  64,  pp  1-2 
correlation  of Bull  82 
Corsicana  beds  of  Texas Ann  21,  vn,  pp  342-343 
Cow  Creek  beds  of  Texas Ann  21,  vn,  pp  142-143 
Dakota;  origin,  definition,  and  application  of  the  term. .  .Ann  21,  vn,  pp  316-322 
Dakota  formation  or  group Ann  21,  iv,  pp  531-532;  Bull  82,  pp 
170-172, 176, 191,  211, 213,  225, 229,  231,  233,  237,  250,  257-258 
