@misc{indiciae440eaca91ccc,
  title = {Effects of backpacker use, pack stock trail use, and pack stock grazing on water-quality indicators, including nutrients, E. coli, hormones, and pharmaceuticals, in Yosemite National Park, USA},
  author = {Harrison Forrester and David W. Clow and James W. Roche and Alan Heyvaert and William A. Battaglin},
  year = {2017},
  doi = {10.1007/s00267-017-0899-z},
  url = {https://pubs.usgs.gov/publication/70190536},
  note = {Source identifier: 70190536}
}