@misc{indiciae8bbf955c54d6,
  title = {The relation of water quality to geology and land use changes in Fairfax County and vicinity, Virginia},
  author = {A.J. Froelich and Chester Zenone},
  year = {1985},
  doi = {10.3133/i1561},
  url = {https://pubs.usgs.gov/publication/i1561},
  note = {Source identifier: i1561}
}