@misc{indiciae6d7838c468e0,
  title = {Distribution of agrochemicals in the lower Mississippi River and its tributaries},
  author = {W. E. Pereira and C.E. Rostad and T.J. Leiker},
  year = {1990},
  doi = {10.1016/0048-9697(90)90229-n},
  url = {https://pubs.usgs.gov/publication/70015942},
  note = {Source identifier: 70015942}
}