@misc{indiciaef99c73ec2b01,
  title = {Floods in Marengo South quadrangle, northeastern Illinois},
  author = {H.E. Allen},
  year = {1969},
  doi = {10.3133/ofr694},
  url = {https://pubs.usgs.gov/publication/ofr694},
  note = {Source identifier: ofr694}
}