TY  - RPRT
TI  - Depositional history of the Fire Clay coal bed (Late Duckmantian), Eastern Kentucky, USA
AU  - S.F. Greb
AU  - C.F. Eble
AU  - J.C. Hower
PY  - 1999
DO  - 10.1016/s0166-5162(99)00004-x
UR  - https://pubs.usgs.gov/publication/70021448
ID  - 70021448
ER  -