@misc{indiciae83f579f12a8d,
  title = {Water-resources activities in Illinois, 1987},
  author = {M.L. Garrelts},
  year = {1988},
  doi = {10.3133/ofr87698},
  url = {https://pubs.usgs.gov/publication/ofr87698},
  note = {Source identifier: ofr87698}
}