@misc{indiciaeaacb0e16632f,
  title = {Water-quality data for selected national park units, southern and central Arizona and west-central New Mexico, water years 2003 and 2004},
  author = {James G. Brown},
  year = {2005},
  doi = {10.3133/ofr20051291},
  url = {https://pubs.usgs.gov/publication/ofr20051291},
  note = {Source identifier: ofr20051291}
}