TY - RPRT TI - Channel-fill coal beds along the western margin of the Eastern Kentucky Coal Field AU - C.F. Eble AU - S.F. Greb PY - 1997 DO - 10.1016/s0166-5162(96)00048-1 UR - https://pubs.usgs.gov/publication/70019877 ID - 70019877 ER -