@misc{indiciae458e77265b0b,
  title = {Aeromagnetic map of the Biglerville quadrangle, Adams County, Pennsylvania},
  author = {Randolph Wilson Bromery and G. L. Zandle},
  year = {1961},
  doi = {10.3133/gp279},
  url = {https://pubs.usgs.gov/publication/gp279},
  note = {Source identifier: gp279}
}