@misc{indiciae2a6a7dabbfe1,
  title = {Land use and land cover and associated maps for Columbia, Tennessee, Alabama},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1981},
  doi = {10.3133/ofr814},
  url = {https://pubs.usgs.gov/publication/ofr814},
  note = {Source identifier: ofr814}
}