@misc{indiciae3372bc20b4aa,
  title = {Geologic map of the Picard Ranch quadrangle, showing chromolithofacies and coal beds in the Wind River Formation, Fremont County, Wyoming},
  author = {Robert E. Thaden},
  year = {1980},
  doi = {10.3133/gq1539},
  url = {https://pubs.usgs.gov/publication/gq1539},
  note = {Source identifier: gq1539}
}