@misc{indiciae58e9907d0471,
  title = {Aeromagnetic map of the Henderson quadrangle and parts of the Louisburg and Boydton quadrangles, north-central North Carolina},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1973},
  doi = {10.3133/gp884},
  url = {https://pubs.usgs.gov/publication/gp884},
  note = {Source identifier: gp884}
}