@misc{indiciae8ab3a9792a39,
  title = {Geologic map and coal deposits of the Four Bar J Ranch Quadrangle, Campbell County, Wyoming},
  author = {Gary L. Galyardt},
  year = {1980},
  doi = {10.3133/ofr80648},
  url = {https://pubs.usgs.gov/publication/ofr80648},
  note = {Source identifier: ofr80648}
}