@misc{indiciaea9c94e7f20ef,
  title = {Water resources data for Illinois, water year 1975},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1976},
  doi = {10.3133/wdril751},
  url = {https://pubs.usgs.gov/publication/wdrIL751},
  note = {Source identifier: wdrIL751}
}