@misc{indiciaef622223ff75b,
  title = {Paleotectonic investigations of the Permian system in the United States},
  author = {Edwin Dinwiddie McKee and Steven S. Oriel and Henry L. Berryhill and Eleanor J. Crosby and Donald A. Myers and George H. Dixon and Marjorie E. MacLachlan and Melville R. Mudge and Edwin K. Maughan and Richard Porter Sheldon and Earl R. Cressman and Thomas M. Cheney and Vincent E. McKelvey and Walter E. Hallgarth and Keith B. Ketner},
  year = {1967},
  doi = {10.3133/pp515},
  url = {https://pubs.usgs.gov/publication/pp515},
  note = {Source identifier: pp515}
}