@misc{indiciae503c92d98e33,
  title = {An 80-year record of sediment quality in the lower Mississippi River},
  author = {Peter C. Van Metre and Arthur J. Horowitz},
  year = {2012},
  doi = {10.1002/hyp.9336},
  url = {https://pubs.usgs.gov/publication/70040103},
  note = {Source identifier: 70040103}
}