@misc{indiciae36b538f0243a, title = {Stratigraphic cross sections S-S' through V-V', showing electric logs of upper Cretaceous and older rocks, Powder River Basin, Montana and Wyoming}, author = {J. E. Fox}, year = {1993}, doi = {10.3133/oc138}, url = {https://pubs.usgs.gov/publication/oc138}, note = {Source identifier: oc138} }