@misc{indiciae61008cbba515,
  title = {Land use and land cover and associated maps for Roanoke, Virginia},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1979},
  doi = {10.3133/ofr79407},
  url = {https://pubs.usgs.gov/publication/ofr79407},
  note = {Source identifier: ofr79407}
}