@misc{indiciae6f20a39a9967,
  title = {Aeromagnetic map of Charleston and vicinity, South Carolina},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1975},
  doi = {10.3133/ofr75590},
  url = {https://pubs.usgs.gov/publication/ofr75590},
  note = {Source identifier: ofr75590}
}