@misc{indiciae793143bda268,
  title = {Aeromagnetic map of part of the Easton quadrangle, Northampton County, Pennsylvania, and Warren County, New Jersey},
  author = {Randolph Wilson Bromery and J. R. Henderson and G. L. Zandle},
  year = {1960},
  doi = {10.3133/gp235},
  url = {https://pubs.usgs.gov/publication/gp235},
  note = {Source identifier: gp235}
}