@misc{indiciaefa9b73691778,
  title = {Geology of the Upton Quadrangle, Crook and Weston counties, Wyoming},
  author = {W. J. Mapel and C. L. Pillmore},
  year = {1964},
  doi = {10.3133/b1181j},
  url = {https://pubs.usgs.gov/publication/b1181J},
  note = {Source identifier: b1181J}
}