@misc{indiciaede8e13c22ef6,
  title = {Occurrence of selected herbicides and herbicide degradation products in Iowa's Ground Water, 1995},
  author = {D.W. Kolpin and S. J. Kalkhoff and D. A. Goolsby and D. A. Sneck-Fahrer and E.M. Thurman},
  year = {2005},
  doi = {10.1111/j.1745-6584.1997.tb00134.x},
  url = {https://pubs.usgs.gov/publication/70019819},
  note = {Source identifier: 70019819}
}