TY  - RPRT
TI  - Assessment of coal geology, resources, and reserves in the Montana Powder River Basin
AU  - Jon E. Haacke
AU  - David C. Scott
AU  - Lee M. Osmonson
AU  - James A. Luppens
AU  - Paul E. Pierce
AU  - Jay A. Gunderson
PY  - 2013
DO  - 10.3133/ofr20121113
UR  - https://pubs.usgs.gov/publication/ofr20121113
ID  - ofr20121113
ER  -