@misc{indiciae929b71bbd8e8,
  title = {Geologic map of the Gates Butte quadrangle, showing chromolithofacies and coal beds in the Wind River Formation, Fremont County, Wyoming},
  author = {Robert E. Thaden},
  year = {1980},
  doi = {10.3133/gq1538},
  url = {https://pubs.usgs.gov/publication/gq1538},
  note = {Source identifier: gq1538}
}