TY  - RPRT
TI  - A thick coal bed near Lake De Smet, Johnson County, Wyoming
AU  - W. J. Mapel
AU  - J. M. Schopf
AU  - J. R. Gill
PY  - 1953
DO  - 10.3133/cir228
UR  - https://pubs.usgs.gov/publication/cir228
ID  - cir228
ER  -