SHERIDAN    COAL  FIELD,    WYOMING.  145 
Section  of  coal  bed  in  SW.  J  sec.  21,  T.  56  N.,  R.  82  W. 
Shale,  carbonaceous.  Ft.  in. 
Coal,  bony,  weathered 2    2 
Shale 9 
Coal,  bony 5 
Base  concealed. 
Section  of  coal  bed  near  east  side  sec.  7,  T.  56  N.,  R.  82  W. 
Ft.  in. 
Shale 25 
Coal 3 
Shale 3 
Coal 5 
Shale,  blue 5    6 
Sandstone,  white 10+ 
Section  of  coal  bed  near  southwest  corner  sec.  32,  T.  56  N.,  R.  83  W. 
Feet. 
Shale,  carbonaceous 50 
Shale  with  thin  seams  of  coal 5 
Coal 2 
Shale. 
Section  of  coal  bed  in  SW.  i  sec.  31,  T.  56  N.,  R.  79  W. 
Shale,  blue.  Ft.  in. 
Coal,  shale,  and  carbonaceous  sandstone 6    6 
Coal,  bony  and  silicified  wood 2     6 
Shale,  blue,  thin  seam. 
Coal 33    6 
Shale. 
Section  of  coal  bed  in  NW.  \  sec.  16,  T.  56  N.,  R.  82  W. 
Shale,  carbonaceous.  Ft.  in. 
Coal 10 
Shale 6 
Coal 8 
Shale 1 
Coal 2    6 
Base  concealed. 
Section  of  coal  bed  in  NE.  \  sec.  23,  T.  56  N.,  R.  82  W. 
Sandstone,  soft.  Ft.  in. 
Shale 2 
Coal,  bony,  shaly 3 
Coal 7 
Bone 2 
Coal 4 
Shale 3 
Coal  and  bone 6 
Shale 1 
Coal 6 
Bone  and  shale 4 
Coal 3 
In  the  NW.  \  sec.  25,  same  township  and  range,  this  bed  is  niainiy 
carbonaceous  shale  with  two  thin  bands  of  coal. 
71497— Bull.  341—09 10 
