TY  - BOOK
AU  - Welch, Stewart W.
CN  - QE75
CN  - QE75
CY  - Washington :
DA  - 1958.
ID  - 67156
KW  - Geology
KW  - Coal
PB  - U.S. Govt. Print. Off.,
PP  - Washington :
PY  - 1958.
T1  - Geology and coal resources of the Tiptop quadrangle, Kentucky /
TI  - Geology and coal resources of the Tiptop quadrangle, Kentucky /
ER  -