@misc{indiciae305683a77dc5,
  title = {Preliminary report of coal drill-hole data and chemical analyses of coal beds in Campbell, Converse, and Sheridan Counties, Wyoming; and Big Horn, Richland, and Dawson Counties, Montana},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1976},
  doi = {10.3133/ofr76450},
  url = {https://pubs.usgs.gov/publication/ofr76450},
  note = {Source identifier: ofr76450}
}