COAL  BETWEEN   GALLUP  AND   SAN    MATEO,    N.   MEX.  371 
Ft.     in. 
Shale,  gray 3 
Coal 1      3 
Shale 3 
Sandstone 50 
Coal 2 
Shale,  gray . . . . 4 
Coal 2 
Shale,  brown  and  yellow 35 
Coal 7 
Shale,  brown 1      4 
Coal 5 
Shale,  brown 25 
Coal.... 1      4 
Shale 1 
Coal 4 
Sandstone 10 
Coal 2 
Sandstone  and  sandy  shale 35 
Coal 2 
Shale  and  thin  sandstone 55 
Sandstone,  white,  massive 14 
Shale,  brown 3 
Coal 2      3 
Shale 12 
497       2 
The  three  workable  beds  in  the  upper  part  of  this  section,  with  an 
average  thickness  of  6  feet,  apparently  contain  a  good  grade  of  sub- 
bituminous  coal,  free  from  partings. 
Locality  No.  5:  In  the  northern  part  of  sec.  1,  T.  16  N.,  R.  14  W., 
there  are  four  beds  of  workable  thickness  in  the  upper  or  Mesaverde 
formation,  as  shown  in  the  following  section  of  the  coal-bearing 
portion : 
Section  of  Mesaverde  coal-bearing  rocks  in  sec.  1,  T.  16  N.,  R.  14  W.  {No.  5). 
Ft.     in. 
Sandstone,  gray,  and  shale 20 
Shale 3 
Coal 3      4 
Shale,  drab 40 
Sandstone,  gray,  soft 40 
Coal 3      6 
Shale,  sandy 15 
Coal 1 
Shale,  carbonaceous 3 
Sandstone  and  shale,  with  thin  beds  of  coal 50 
Shale,  drab,  hard 5 
Shale,  carbonaceous 2 
Coal 2 
Shale,  sandy 20 
Coal  with  bony  streaks 4 
Shale,  sandy,  carbonaceous 20 
Covered.  
231     10 
