TY  - RPRT
TI  - Isopach maps of the Powder River Basin, Montana and Wyoming
AU  - J. E. Fox
AU  - Debra K. Higley
PY  - 1996
DO  - 10.3133/oc147b
UR  - https://pubs.usgs.gov/publication/oc147B
ID  - oc147B
ER  -