TY  - RPRT
TI  - Stratigraphic cross sections M-M' through R-R', showing electric logs of upper Cretaceous and older rocks, Powder River Basin, Wyoming
AU  - J. E. Fox
PY  - 1993
DO  - 10.3133/oc137
UR  - https://pubs.usgs.gov/publication/oc137
ID  - oc137
ER  -