@misc{indiciae8defc0ee547f,
  title = {Contaminants in the Mississippi River, 1987-92},
  author = {Robert H. Meade},
  year = {1995},
  doi = {10.3133/cir1133},
  url = {https://pubs.usgs.gov/publication/cir1133},
  note = {Source identifier: cir1133}
}