@misc{indiciae57a4986fe00b,
  title = {Climate appraisal maps of the rehabilitation potential of strippable coal lands in the Williston Basin, Montana, North Dakota, and South Dakota},
  author = {Terrence J. Toy and Debra S. Grim},
  year = {1984},
  doi = {10.3133/mf1675},
  url = {https://pubs.usgs.gov/publication/mf1675},
  note = {Source identifier: mf1675}
}