@misc{indiciae03b412a2c55f,
  title = {Evaluation of potential yield of water wells in bedrock aquifers, Fairfax County, Virginia-computer composite map},
  author = {R.H. Johnston and J. N. Van Driel},
  year = {1979},
  doi = {10.3133/ofr79525},
  url = {https://pubs.usgs.gov/publication/ofr79525},
  note = {Source identifier: ofr79525}
}