TY  - RPRT
TI  - Evaluation of economically extractable coal resources in the Gillette coal field, Powder River basin, Wyoming
AU  - Margaret S. Ellis
AU  - Carol L. Molnia
AU  - Lee M. Osmonson
AU  - Allan M. Ochs
AU  - Timothy J. Rohrbacher
AU  - Tracy J. Mercier
AU  - Laura N.R. Roberts
PY  - 2002
DO  - 10.3133/ofr02180
UR  - https://pubs.usgs.gov/publication/ofr02180
ID  - ofr02180
ER  -