@misc{indiciaecbb0ec0201fa,
  title = {Leasable mineral and waterpower land classification map of the La Junta 1° x 2° quadrangle, Colorado and Kansas},
  year = {1980},
  doi = {10.3133/i1225},
  url = {https://pubs.usgs.gov/publication/i1225},
  note = {Source identifier: i1225}
}