@misc{indiciaee60ef91aacb5,
  title = {Geology of the Du Noir area, Fremont County, Wyoming},
  author = {W. R. Keefer},
  year = {1957},
  doi = {10.3133/pp294e},
  url = {https://pubs.usgs.gov/publication/pp294E},
  note = {Source identifier: pp294E}
}