@misc{indiciaecc4d0695c1ed,
  title = {Water-quality synoptic sampling, July 1999: North Fork Shenandoah River, Virginia},
  author = {Jennifer L. Krstolic and Donald C. Hayes},
  year = {2004},
  doi = {10.3133/sir20045153},
  url = {https://pubs.usgs.gov/publication/sir20045153},
  note = {Source identifier: sir20045153}
}