@misc{indiciae1042e232de85,
  title = {Aeromagnetic map of part of the Palmyra quadrangle, Dauphin and Lebanon Counties, Pennsylvania},
  author = {Randolph Wilson Bromery and G. L. Zandle},
  year = {1961},
  doi = {10.3133/gp268},
  url = {https://pubs.usgs.gov/publication/gp268},
  note = {Source identifier: gp268}
}