TY  - RPRT
TI  - Isopach map of the interval from surface elevation to the top of the Pennsylvanian and Permian Minnelusa Formation and equivalents, Powder River basin, Wyoming and Montana
AU  - B.L. Crysdale
PY  - 1990
DO  - 10.3133/mf2140a
UR  - https://pubs.usgs.gov/publication/mf2140A
ID  - mf2140A
ER  -