@misc{indiciaeb46683dd25f1,
  title = {Conterminous U.S. land cover characteristics data set 1990 prototype},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1993},
  doi = {10.3133/25172},
  url = {https://pubs.usgs.gov/publication/25172},
  note = {Source identifier: 25172}
}