@misc{indiciae63c0e39766d1,
  title = {Land use and land cover, 1971-75, Madison, Wisconsin},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1981},
  doi = {10.3133/l192},
  url = {https://pubs.usgs.gov/publication/l192},
  note = {Source identifier: l192}
}