@misc{indiciae85885b045285,
  title = {An estimate of chemical loads from ground water to the Grand Calumet River and Indiana Harbor Canal, northwestern Indiana},
  author = {Timothy C. Willoughby and Qaadir A. Siddeeq},
  year = {2001},
  doi = {10.3133/wri20014020},
  url = {https://pubs.usgs.gov/publication/wri20014020},
  note = {Source identifier: wri20014020}
}