@misc{indiciae254cb52e3792,
  title = {Source and transport controls on the movement of nitrate to public supply wells in selected principal aquifers of the United States},
  author = {P.B. McMahon and J.K. Böhlke and L. J. Kauffman and K.L. Kipp and M.K. Landon and C. A. Crandall and K.R. Burow and C. J. Brown},
  year = {2008},
  doi = {10.1029/2007wr006252},
  url = {https://pubs.usgs.gov/publication/70033435},
  note = {Source identifier: 70033435}
}