@misc{indiciaefc8b5a0776c5, title = {Stratigraphic sections of the Phosphoria formation in Montana, 1949-50, part 1}, author = {Earle Rupert Cressman and W.H. Wilson and C.W. Tandy and W.J. Garmoe}, year = {1953}, doi = {10.3133/cir302}, url = {https://pubs.usgs.gov/publication/cir302}, note = {Source identifier: cir302} }