TY  - RPRT
TI  - Geologic map showing thickness of sedimentary rocks from the ground surface to the top of the upper Cretaceous Pierre Shale in the south half of the Powder River Basin, northeastern Wyoming and adjacent areas
AU  - N.M. Denson
AU  - C. T. Pierson
AU  - W.D. Grundy
PY  - 1995
DO  - 10.3133/i2433b
UR  - https://pubs.usgs.gov/publication/i2433B
ID  - i2433B
ER  -