TY  - RPRT
TI  - Coal resources of the Gillette area, Wyoming
AU  - N.M. Denson
AU  - W. R. Keefer
AU  - G. H. Horn
PY  - 1973
DO  - 10.3133/i848c
UR  - https://pubs.usgs.gov/publication/i848C
ID  - i848C
ER  -