@misc{indiciae5cf287064e62,
  title = {Frontier, Cody, and Mesaverde formations in the Wind River and southern Bighorn basins, Wyoming},
  author = {W. R. Keefer},
  year = {1972},
  doi = {10.3133/pp495e},
  url = {https://pubs.usgs.gov/publication/pp495E},
  note = {Source identifier: pp495E}
}