@misc{indiciaec4c97c3b3fcf,
  title = {Leasable mineral and waterpower land classification map of the Watford City Quadrangle, North Dakota},
  author = {Andrew F. Bateman and L. A. Shoaff and Terry R. Flot},
  year = {1977},
  doi = {10.3133/ofr77547},
  url = {https://pubs.usgs.gov/publication/ofr77547},
  note = {Source identifier: ofr77547}
}