@misc{indiciae7130f2df1895,
  title = {Aeromagnetic map of the New Cumberland quadrangle, Cumberland, Dauphin, and York Counties, Pennsylvania},
  author = {Randolph Wilson Bromery and G. L. Zandle},
  year = {1961},
  doi = {10.3133/gp275},
  url = {https://pubs.usgs.gov/publication/gp275},
  note = {Source identifier: gp275}
}