@misc{indiciae95a7d8a219ec, title = {Stratigraphy and origin of the Chinle formation (Upper Triassic) on the Colorado Plateau}, author = {John Harris Stewart}, year = {1961}, doi = {10.3133/ofr61161}, url = {https://pubs.usgs.gov/publication/ofr61161}, note = {Source identifier: ofr61161} }