@misc{indiciaecb593a528bc6,
  title = {Use of isotopes, age-dating, and numerical simulation to evaluate source histories and transport of NO3- to public supply wells in principal aquifers of the United States},
  author = {P.B. McMahon and J.K. Bohlke and C. Brown and K. Burow and C. A. Crandall and Matthew K. Landon},
  year = {2005},
  url = {https://pubs.usgs.gov/publication/70188284},
  note = {Source identifier: 70188284}
}