@misc{indiciaef4f6eeb2ca5e,
  title = {Assessment of the current Occoquan water-supply situation, Fairfax County, Virginia},
  author = {Robert M. Hirsch and John C. Schaake and Daniel P. Sheer},
  year = {1977},
  doi = {10.3133/ofr77811},
  url = {https://pubs.usgs.gov/publication/ofr77811},
  note = {Source identifier: ofr77811}
}