TY  - RPRT
TI  - Further examination of the ragged edge of the Herrin coal bed, Webster County, Western Kentucky coal field
AU  - J.C. Hower
AU  - D.A. Williams
PY  - 2001
DO  - 10.1016/s0166-5162(01)00017-9
UR  - https://pubs.usgs.gov/publication/70024019
ID  - 70024019
ER  -