@misc{indiciaed1d927840e07,
  title = {Aeromagnetic map of the Lebanon quadrangle, Lebanon County, Pennsylvania},
  author = {Randolph Wilson Bromery and G. L. Zandle},
  year = {1961},
  doi = {10.3133/gp254},
  url = {https://pubs.usgs.gov/publication/gp254},
  note = {Source identifier: gp254}
}