342        CONTRIBUTIONS  TO    I     ONOMIC  GEOLOGY,   1907,  PART  II. 
DETAILED  DESCRIPTION. 
The  coals  of  the  area  are  here  described  by  two  districts.  One  is 
along  the  exposure  of  the  Mesaverde  in  a  north-south  direction  across 
the  east  side  of  the  field,  and  is  designated  the  Gallina-Cuba  district. 
The  other  includes  the  Laramie  area  in  the  vicinity  of  Raton  Spring, 
and  is  termed  the  Raton  Spring  district. 
GALLINA-CUBA    DISTRICT. 
Locality  No.  1 : a  The  following  is  a  general  section  of  the  Mesaverde 
formation  at  locality  No.  1,  5J  miles  N.  8°  E.  of  Gallina,  where  the 
rocks  dip  N.  75°  W.  at  an  angle  of  36°. 
Section  of  Mesaverde  formation  5\  miles  N.  8°  E.  of  Gallina  (No.  1). 
Ft.    in. 
Sandstone,  brownish,  massive,  coarse  grained 35 
Shale 20 
Coal 7 
Shale 8 
Sandstone 8 
Coal 2 
Sandstone 8 
Shale 5 
Coal 1 
Shale 12 
Sandstone 4 
Coal '. 1       1 
Shale 8 
Sandstone,  carbonaceous 1 
Coal,  resinous 1       2 
Sandstone  and  shale 2 
Sandstone,  carbonaceous 1 
Shale 2 
•Coal 4 
Shale 3 
Sandstone  and  shale 3 
Coal 2 
Shale :       5   " 
Sandstone 21 
Coal 4 
Shale,  brown,  lignitic 3 
Coal 1      4 
Shale 13 
Coal 1 
Shale,  brown,  lignitic 5 
Coal 1 
Shale,  brown,  lignitic 1       3 
Coal 11 
Shale,  brown,  lignitic 4 
Coal... 1    10 
Shale,  brown,  lignitic 1      4 
Coal 2 
a  These  numbers  correspond  to  numbers  on  the  map.  PI.  XXII. 
