TY  - RPRT
TI  - Structure-contour maps of the Powder River basin, Montana and Wyoming
AU  - J. E. Fox
AU  - Debra K. Higley
PY  - 1996
DO  - 10.3133/oc147a
UR  - https://pubs.usgs.gov/publication/oc147A
ID  - oc147A
ER  -