@misc{indiciae1fae51cec959,
  title = {Preliminary aeromagnetic map of the Charlotte 1 x 2 degree quadrangle, North Carolina, South Carolina},
  author = {David L. Daniels and Isidore Zietz},
  year = {1980},
  doi = {10.3133/ofr80229},
  url = {https://pubs.usgs.gov/publication/ofr80229},
  note = {Source identifier: ofr80229}
}