@misc{indiciae5e530bab9b60,
  title = {Evaluation of the extent of contaminated sediments in the west branch of the Grand Calumet river, Indiana-Illinois, USA},
  author = {R.A. Cahill and M.T. Unger},
  year = {1993},
  url = {https://pubs.usgs.gov/publication/70017942},
  note = {Source identifier: 70017942}
}