COAL  BETWEEN   DURANGO,   COLO.,  AND   MONERO,   N.   MEX.       359 
intervening  valley  shows  natural  exposures  of  the  coal  at  several 
localities.  The  following  section  was  taken  in  the  northwestern 
part  of  sec.  12: 
Section  of  Laramie  coal  beds  in  sec.  12,  T.  34  N.,  R.  5  W.  (No.  14). 
Ft.     in. 
Shale,  much  burnt 4 
Coal 2      6 
Shale 6 
Coal  with  bony  streaks 12 
Shale,  drab 10 
Shale,  carbonaceous 8 
Sandstone,  massive.  
42       6 
Locality  No.  15:  About  1|  miles  southwest  of  Piedra  Parada  Peak, 
in  T.  34  N.,  R.  4  W.,  there  are  two  beds  exposed  above  the  basal 
Laramie  sandstone.  The  total  thickness  of  the  Laramie  as  measured 
in  this  vicinity  is  650  feet.  The  following  is  a  section  of  the  basal 
portion,  including  the  coal  beds: 
Section  of  Laramie  coal  beds  in  sec.  30,  T.  34  N.,  R.  4  W.  (No.  15). 
Ft.      in. 
Shale 12 
Limestone,  argillaceous,  bearing  fossil  shells 6 
Shale,  argillaceous,  bearing  fossil  shells  at  1  >aso 2 
Coal 7 
Shale 5 
Sandstone 4 
Shale,  bearing  some  fossil  shells 7 
Limestone,  argillaceous,  bearing  fossil  shells 7 
Shale,  with  fragments  of  silicified  wood 5 
Coal 2       2 
Shale 15 
Sandstone,  massive,  base  of  Laramie 100 
1G0      3 
Locality  No.  16:  Near  the  center  of  sec.  16,  T.  33  N.,  R.  3  W.,  one 
of  the  Laramie  coal  beds  is  being  worked  at  the  Talian  mine,  on  a 
branch  of  the  Denver  and  Rio  Grande  Railroad  running  from  Pagosa 
Springs  to  Pagosa  Junction.  The  following  is  a  section  of  the  coal 
at  this  mine: 
Section  of  coal  beds  at  Talian  mine,  in  sec.  16,  T.  33  N.,  R.  3  W.  (No.  16). 
Shale,  arenaceous.  Ft.     in. 
Coal 4 
Sandstone,  thin-bedded 16 
Sandstone 3 
Shale,  arenaceous 6 
Coal 3 
26       6 
