@misc{indiciae53375a0e21b2,
  title = {Water resources data for Illinois, water year 1972},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1973},
  doi = {10.3133/wdril721},
  url = {https://pubs.usgs.gov/publication/wdrIL721},
  note = {Source identifier: wdrIL721}
}