@misc{indiciaeb209cf731855,
  title = {Land use and land cover, 1973-76, Decatur, Illinois},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1980},
  doi = {10.3133/l181},
  url = {https://pubs.usgs.gov/publication/l181},
  note = {Source identifier: l181}
}