TY - RPRT TI - Stratigraphic cross section M - M' showing electric logs of Upper Cretaceous and older rocks, Powder River Basin, Converse and Campbell Counties, Wyoming AU - James E. Fox PY - 1987 DO - 10.3133/ofr86465m UR - https://pubs.usgs.gov/publication/ofr86465M ID - ofr86465M ER -