@misc{indiciae9c87bc4c48a0,
  title = {Land use and land cover, 1976, Newcastle, Wyoming; South Dakota, Nebraska},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1979},
  doi = {10.3133/l81},
  url = {https://pubs.usgs.gov/publication/l81},
  note = {Source identifier: l81}
}