@misc{indiciaec4af5ab544b9,
  title = {Preliminary report of coal drill-hole data and chemical analyses of coal beds in Campbell County, Wyoming},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey and Montana Bureau of Mines and Geology},
  year = {1974},
  doi = {10.3133/ofr7497},
  url = {https://pubs.usgs.gov/publication/ofr7497},
  note = {Source identifier: ofr7497}
}