COAL  BETWEEN    GALLUP  AND   SAN    MATEO,    N.    MEX.  369 
Ft.  in. 
Sandstone,  whitish,  massive 20 
Coal , 1  8 
Shale 2 
Coal 1  6 
Shale 3 
Coal 10 
Shale 12 
Coal 3  4 
Shale,  drab 3 
Covered.  x 
357 
The  section  given  above  includes  only  that  portion  of  the  Mesa- 
verde  which  contains  workable  coal  beds.  A  series  of  sandstones, 
shales,  and  very  thin  coal  beds  occurs  below  the  section  given  above, 
continuing  on  down  to  and  including  the  upper  part  of  the  Mancos. 
Locality  No.  3:  The  following  is  a  section  of  the  coal-bearing  rocks 
in  the  Mancos  shale  below  the  Mesaverde,  taken  at  the  southeast 
corner  of  sec.  3,  T.  16  N.,  R.  15  W.: 
Section  of  Mancos  coal-bearing  rocks  in  sec.  3,  T.  16  N.,  R.  15  W.  (No.  3). 
Ft.      in. 
Sandstone,  brown,  massive 30 
Shale,  yellowish,  arenaceous 30 
Shale,  tan  colored 50 
Sandstone,  yellowish 6 
Shale  and  thin  sandstone 50 
Coal 1       2 
Shale,  dark '. 4 
Coal 8 
Shale,  hard,  sandy 3 
Coal 10 
Coal,  bony 4 
Coal 1      4 
Sandstone,  gray,  argillaceous 3 
Shale,  carbonaceous 2 
Coal,  bony 8 
Shale,  drab,  and  thin  sandstone 40 
Sandstone .' 15 
Shale 12 
Sandstone,  massive 10 
Coal 3 
Coal,  bony 8 
Coal 1 
Shale,  drab 10 
Sandstone 1 
Coal,  bony 1 
Shale 15 
Coal 2 
Shale,  carbonaceous 2 
Sandstone 1 
714<J7— Bull.  341—09 24 
