@misc{indiciae6c6bf64ab6a1,
  title = {Irrigated cropland, 1978, Cheyenne and Sherman Counties, Kansas},
  author = {Robert Johnson},
  year = {1980},
  doi = {10.3133/ofr80640},
  url = {https://pubs.usgs.gov/publication/ofr80640},
  note = {Source identifier: ofr80640}
}