@misc{indiciae9e69274c4ddd, title = {Correlation of the jurassic formations of North America, exclusive of Canada}, author = {Ralph W. Imlay}, year = {1952}, doi = {10.1130/0016-7606(1952)63[953:cotjfo]2.0.co;2}, url = {https://pubs.usgs.gov/publication/70221612}, note = {Source identifier: 70221612} }