@misc{indiciae165e9154a63e,
  title = {Source, variability, and transformation of nitrate in a regional karst aquifer: Edwards aquifer, central Texas.},
  author = {MaryLynn Musgrove and Stephen P. Opsahl and Barbara Mahler and Chris Herrington and Thomas Sample and John Banta},
  year = {2016},
  doi = {10.1016/j.scitotenv.2016.05.201},
  url = {https://pubs.usgs.gov/publication/70173854},
  note = {Source identifier: 70173854}
}