@misc{indiciae0300579b5b27,
  title = {Cross sectional concentration data for selected organic contaminants in river waters near the confluence of the Mississippi River and the Illinois, Missouri, and Ohio Rivers, June 1989 and May-June 1990},
  author = {Colleen E. Rostad and LaDonna M. Bishop and Wilfred E. Pereira and Thomas J. Leiker},
  year = {2004},
  doi = {10.3133/ofr93371},
  url = {https://pubs.usgs.gov/publication/ofr93371},
  note = {Source identifier: ofr93371}
}