@misc{indiciae691cfc412676,
  title = {Aeromagnetic map of Staunton and vicinity, Virginia},
  author = {R. W. Johnson and J. S. Watkins},
  year = {1963},
  doi = {10.3133/gp414},
  url = {https://pubs.usgs.gov/publication/gp414},
  note = {Source identifier: gp414}
}