@misc{indiciae79f95063c70d,
  title = {Results of exploratory drilling for lignite in 1979, Fort Peck Indian Reservation, Daniels, Roosevelt, and Sheridan counties, Montana},
  author = {H. H. Arndt and J.K. Hardie and T. M. Kehn},
  year = {1982},
  doi = {10.3133/ofr82480},
  url = {https://pubs.usgs.gov/publication/ofr82480},
  note = {Source identifier: ofr82480}
}