@misc{indiciae52ee66ab71da,
  title = {Occurrence and transport of agricultural chemicals in the Mississippi River basin, July through August 1993},
  author = {Donald A. Goolsby and William A. Battaglin and E. Michael Thurman},
  year = {1993},
  doi = {10.3133/cir1120c},
  url = {https://pubs.usgs.gov/publication/cir1120C},
  note = {Source identifier: cir1120C}
}