@misc{indiciaecf5ae1398e47,
  title = {Preliminary report on five coal drill holes in Converse County, Wyoming},
  author = {F.B. Kistner},
  year = {1977},
  doi = {10.3133/ofr77774},
  url = {https://pubs.usgs.gov/publication/ofr77774},
  note = {Source identifier: ofr77774}
}