@misc{indiciae9a4ab1d7ec88, title = {Correlation and nomenclature of some Triassic and Jurassic rocks in south-central Wyoming}, author = {G. N. Pipiringos}, year = {1968}, doi = {10.3133/pp594d}, url = {https://pubs.usgs.gov/publication/pp594D}, note = {Source identifier: pp594D} }