@misc{indiciaefd3d115475e4,
  title = {Water levels in the Calumet aquifer and their relation to surface-water levels in northern Lake County, Indiana, 1985-92},
  author = {Theodore K. Greeman},
  year = {1995},
  doi = {10.3133/wri944110},
  url = {https://pubs.usgs.gov/publication/wri944110},
  note = {Source identifier: wri944110}
}