@misc{indiciaeac2e4c2ca394,
  title = {Ground-water quality of alluvial and sedimentary-rock aquifers in the vicinity of Fairplay and Alma, Park County, Colorado, September-October 2002},
  author = {Roderick F. Ortiz},
  year = {2004},
  doi = {10.3133/fs20043065},
  url = {https://pubs.usgs.gov/publication/fs20043065},
  note = {Source identifier: fs20043065}
}