@misc{indiciaefd3f9dcb06d6,
  title = {Aeromagnetic map of the Norlina Quadrangle and parts of the Castalia and South Hill quadrangles, north-central North Carolina},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1973},
  doi = {10.3133/gp885},
  url = {https://pubs.usgs.gov/publication/gp885},
  note = {Source identifier: gp885}
}