TY  - RPRT
TI  - Geologic map showing distribution of clinker in the Tertiary Fort Union and Wasatch formations, northern Powder River basin, Montana
AU  - Edward L. Heffern
AU  - D. A. Coates
AU  - Jason Whiteman
AU  - M.S. Ellis
PY  - 1993
DO  - 10.3133/coal142
UR  - https://pubs.usgs.gov/publication/coal142
ID  - coal142
ER  -