@misc{indiciae55cedbc3e6d9,
  title = {Water Resources Data, Illinois, Water Year 1990, Vol. 2},
  author = {T.E. Richards and P.D. Hayes and D. J. Sullivan},
  year = {1991},
  doi = {10.3133/wdril902},
  url = {https://pubs.usgs.gov/publication/wdrIL902},
  note = {Source identifier: wdrIL902}
}