@misc{indiciaeb48b6a65657a,
  title = {Land use and land cover and associated maps for Ashland, Wisconsin; Michigan, Minnesota},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1979},
  doi = {10.3133/ofr79424},
  url = {https://pubs.usgs.gov/publication/ofr79424},
  note = {Source identifier: ofr79424}
}