Geology and coal reserves of the Kermit and Varney area, Kentucky,
by John W. Huddle and Kenneth J. Englund.
- Washington, U.S. Govt. Print. Off., 1966.
- iv, 83 p. illus. (9 fold.) maps (7 fold., 2 col.) 29 cm.
- Geological Survey professional paper 507 .
- Geological Survey (U.S.). Professional paper ; 507. .
Prepared in cooperation with the Kentucky Geological Survey, University of Kentucky. Issued in portfolio.