@misc{indiciae144bb5937331,
  title = {Land use and land cover digital data from 1:250,000- and 1:100,000- scale maps},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1990},
  doi = {10.3133/70038386},
  url = {https://pubs.usgs.gov/publication/70038386},
  note = {Source identifier: 70038386}
}