@misc{indiciae91852b520bd1,
  title = {Water-quality data for nutrients, pesticides, and volatile organic compounds in near-surface aquifers of the midcontinental United States, 1992-1994},
  author = {D.W. Kolpin and K.E. Zichelle and E.M. Thurman},
  year = {1996},
  doi = {10.3133/ofr96435},
  url = {https://pubs.usgs.gov/publication/ofr96435},
  note = {Source identifier: ofr96435}
}