waeman.]  COAL COBALT.  237 
Coal  Measures  of  Alabama MR  1892,  pp  293-300;  Ann  16,  iv,  p  65 
of  Alaska,  (  ape  Beaufort Bull  84,  p  249 
of  Appalachian  region,  correlation  of Bull  111,  pp  94-104 
fossils  of Ann  19,  n,  pp  430-435 
of  Lllinois,  altitude  of  base  of.. Ann  17,  n,  pp  792-794 
of  Indian  Territory Ann  16,  iv,  p  110 
columnar  section  of ME  1889-90,  p  212 
of  Ohio  as  a  water  bearer Ann  19,  iv,  pp  649-650,693-696 
of  Massachusetts  and  Rhode  Island Mon  xxxm,  pp  159-201,205-208 
of  Missouri MR  L892,  pp  429-436;  Ann  16,  iv,  pp  139-140 
flora  of  lower Mon  xxxvir 
of  Rhode  Island  ami  Massachusetts    Mon  XXXIII,  pp  159-201,  205-208 
of  Tennessee MR  1X92.  pp  497-506;  Ann  16,  iv,  p  188 
of  Virginia,  Richmond  Basin Ann  19,  n,  pp  429-435 
thickness,  proportionate,  of  divisions  of,  light  on Ann  19,  in,  p  471 
Coal  mines  of  United  States,  wages  and  labor  a1 ...MR  L889-90,  pp  L69-171; 
Ml;    L891,    pp   203,  204;    Ann  21,    vi.    pp  355-357,   517-519 
( \>al  mining,  anthracite MR  1883-84,  pp  104-131 
in  West  Virginia,  Kanawha  Valley MR  1883-84,  pp  131-143 
hi!  ns  used  in,  to  describe  lay  of  the  coal. \  nn  18,  III,  pp  405-412 
Coal-mining  industry,  general  view  of MR  1882,  pp  1-7 
Coal  seams  in  Rosslyn  sandstone,  Washington Vnn  20,  n,  pp  205-206 
Coal  series  in  Texas Bull  164,  pp  22-26 
Coaledo  ion  nation  of  ( !oos  Bay  region,  Oregon Vnn  19,  in,  pp  320-321 
Coast  Range  of  Alaska,  lea  lures  of Ann  21,  n,  p  345 
of  ( 'alifornia,  met  amorphic  rocks  of Bull  19,  pp  7-12 
<a  ( >regon,  features  of Ann  17,  i,  pp  448-450 
st  rat  igraphy  of Bull  84,  pp  200-217 
|  See,  also,  (  alifornia;   (  >regon.) 
( 'oast  and  Cascade  ranges,  structure  of Ann  7,  pp  98-102 
Coast,  Cascade,  and  Sierra  Nevada  ranges,  relation  of Bull  19,  p  20; 
Bull  33,  pp  19-20 
Coast  swamp,  an  example  of TF  2,  p  2 
Coastal  -roup  of  rocks  of  New   Brunswick Bull  86,  pp  232-238 
Coastal  Plain,  configuration  and  general  geology  of Ann  7, 
PP  548-550;  Ann  12,  i,  pp  360-429 
description  of,  general - GF  70,  p  1 
geologic  history  and  description  of .GF  13,  pp  1,  4-5;  GF  23,  pp  1,  3 
of  Texas,  general  description  of Ann  21,  vn,  pp  48-50 
of  United  States,  southeastern,  formations  of Ann  13,  i,  p  104 
Coasts,  special  topography  of Ann  2,  pp  171-172; 
Mon  r,  pp  23-170;  Mon  xi,  pp  87-124 
Cobalt,  statistics  of MR  1882,  pp  421- 
423;  MR  1883-84,  pp  544-549;  MR  1885,  pp  361-365;  MR 
1886,  pp  174-175;  MR  1887,  pp  130-131;  MR  1888,  pp  108, 
620-621;  MR  1889-90,  pp  124-126;  MR  1891,  pp  169-170; 
MR  1892,  pp  254-257;  MR  1893,  pp  168-177;  Ann  16,  in, 
pp  605,  606;  Ann  17,  in,  pp  253-260;  Ann  18,  v,  pp  329-342; 
Ann  19,  vi,  p  250;  Ann  20,  vi,  p  278;  Ann  21,  vi,  pp  285-289 
Cobalt  and  nickel,  argentiferous  arsenide  of,  analysis  of,  from  New  Mexico, 
Grant  County Bull  55,  p  54 
Cobalt  bloom,  analysis  of,  from  Nevada,  Churchill  County MR  1885,  p  362 
Cobalt  ore,  analysis  of,  from  Nevada,  Churchill  County  (earthy) MR  1885,  p  362 
analysis  of,  from  Nevada,  Esmeralda  County MR  1883-84,  p  545 
