@misc{indiciae97421e235a25,
  title = {Floods in Grayslake Quadrangle, Northeastern Illinois},
  author = {V. Jeff May and Allen W. Noehre and Gerald L. Walter},
  year = {1967},
  doi = {10.3133/ha230},
  url = {https://pubs.usgs.gov/publication/ha230},
  note = {Source identifier: ha230}
}