@misc{indiciae4c99c4aa93d7,
  title = {Land use and land cover and associated maps for Gillette, Montana; Wyoming, South Dakota},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1977},
  doi = {10.3133/ofr77660},
  url = {https://pubs.usgs.gov/publication/ofr77660},
  note = {Source identifier: ofr77660}
}