@misc{indiciae16124b90108a,
  title = {Water quality of the Boulder Creek watershed, Colorado},
  author = {Philip L. Verplanck and Sheila F. Murphy and Larry Billingsley Barber},
  year = {2003},
  doi = {10.3133/fs04303},
  url = {https://pubs.usgs.gov/publication/fs04303},
  note = {Source identifier: fs04303}
}