@misc{indiciaee1809ebe67c1,
  title = {Leasable mineral and waterpower land classification map of the Wolf Point 1° x 2° quadrangle, Montana and North Dakota: Lands withdrawn, classified, and prospectively valuable for leasable minerals ; occurrences of other selected minerals ; and lands withdrawn or classified for waterpower and reservoir sites},
  author = {Andrew F. Bateman and Elizabeth G. Allen},
  year = {1980},
  doi = {10.3133/i1223},
  url = {https://pubs.usgs.gov/publication/i1223},
  note = {Source identifier: i1223}
}