ashley.]  CUMBERLAND    GAP    COAL    FIELD,    KY.-TENN.  263 
workable.  This  coal  presents  a  good  area  under  the  main  ridges,  but 
small  areas  under  the  spurs,  as  Mingo  Mountain.  It  appears  not  to 
be  workable  in  most  of  the  area  north  of  Stony  Fork  of  Yellow  Creek. 
At  one  mine  its  parting  changes  from  nothing  to  4  feet  in  a  short 
distance.     Two  sections  follow: 
Section  of  Klondike  coal  in  Log  Mountains. 
Shale  roof.  Ft.    In. 
Coal . . 3     11 
Section  of  Klondike  coal  at  Klondike  mine,  Mingo  Mountain. 
Sandstone.                                                                                                     Ft.  In. 
Clay  shale ...... 2  0 
Coal 3  10 
Clay 0  1 
Coal 2  0 
Hard,  smooth  clay. 
Total  coal 5     11 
This  coal  is  being  mined  at  the  Klondike  and  Nicholson  mines  on 
Mingo  Mountain. 
Poplar  Lick  coal. — This  coal  lies  36  to  125  feet  below  the  last.  It 
would  appear  to  be  the  most  valuable  coal  between  Big  Clear  Creek 
and  Stony  Fork,  where  a  large  number  of  measarements  show  a 
thickness  of  between  4  and  5  feet.  It  is  less  important  south  of 
Stony  Fork.     Three  sections  show  as  follows: 
Section  of  Poplar  Lick  coal  on  Mingo  Mountain. 
Ft.    In. 
Coal 1     10 
Clay 0      2 
Coal „ 1     10 
Total 3     10 
Section  of  Poplar  Lick  coal  on  Coal  Creek,  Log  Mountains. 
Shale  roof.  Ft.  In. 
Coal 0  8 
Coal,  soft 0  £ 
Coal 1  1 
Clay 0  U 
Coal - 2  0 
Clay 0  1\ 
Coal 1  6 
Total 6       \ 
Section  of  Poplar  Lick  mid  <»t  Little  Clear  Creek,  Log  Mountains. 
Ft.  In. 
Coal 2  8 
Clay... 0  3 
Coal 3  0 
Total 5     11 
