@misc{indiciae3dc2bcef1bd4,
  title = {Ground-water quality of granitic- and volcanic-rock aquifers in southeastern Park County, Colorado, July-August 2003},
  author = {Roderick F. Ortiz},
  year = {2004},
  doi = {10.3133/fs20043066},
  url = {https://pubs.usgs.gov/publication/fs20043066},
  note = {Source identifier: fs20043066}
}