@misc{indiciaeaf9eb4f503d1,
  title = {Quality of wet deposition in the Grand Calumet River Watershed, northwestern Indiana, April 29, 1997–April 28, 1998},
  author = {Timothy C. Willoughby},
  year = {2000},
  doi = {10.3133/wri994205},
  url = {https://pubs.usgs.gov/publication/wri994205},
  note = {Source identifier: wri994205}
}