TY  - RPRT
TI  - Geologic map showing the thickness and structure of the Anderson-Wyodak coal bed in the north half of the Powder River Basin, southeastern Montana and northeastern Wyoming
AU  - N.M. Denson
AU  - C. T. Pierson
PY  - 1991
DO  - 10.3133/i2094a
UR  - https://pubs.usgs.gov/publication/i2094A
ID  - i2094A
ER  -