@misc{indiciae66127e93b2d7,
  title = {Aeromagnetic map of northwest South Carolina},
  author = {Frederic E. Riggle and Isidore Zietz and David L. Daniels},
  year = {1980},
  doi = {10.3133/ofr801240},
  url = {https://pubs.usgs.gov/publication/ofr801240},
  note = {Source identifier: ofr801240}
}