TY  - RPRT
TI  - Assessment of undiscovered oil and gas resources of the Powder River Basin Province of Wyoming and Montana— 2006 update
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 2006
DO  - 10.3133/fs20063135
UR  - https://pubs.usgs.gov/publication/fs20063135
ID  - fs20063135
ER  -