TY  - RPRT
TI  - Status report: USGS coal assessment of the Powder River Basin, Wyoming
AU  - James A. Luppens
AU  - Timothy J. Rohrbacher
AU  - Jon E. Haacke
AU  - David C. Scott
AU  - Lee M. Osmonson
PY  - 2006
DO  - 10.3133/ofr20061072
UR  - https://pubs.usgs.gov/publication/ofr20061072
ID  - ofr20061072
ER  -