@misc{indiciae2fd15db828ba,
  title = {Land use and land cover and associated maps for Perryton, Texas; Oklahoma, Kansas},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1981},
  doi = {10.3133/ofr8111},
  url = {https://pubs.usgs.gov/publication/ofr8111},
  note = {Source identifier: ofr8111}
}