@misc{indiciae24e2cbb67498,
  title = {Preliminary report on 1976 drilling of coals in Campbell and Sheridan counties, Wyoming, and Big Horn, Dawson, McCone, Richland, Roosevelt, Rosebud, Sheridan, and Wibaux counties, Montana},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1977},
  doi = {10.3133/ofr77283},
  url = {https://pubs.usgs.gov/publication/ofr77283},
  note = {Source identifier: ofr77283}
}