@misc{indiciaecd2ad9b25870,
  title = {Aeromagnetic map of the Ramsey quadrangle, Passaic and Bergen Counties, New Jersey, and Rockland County, New York},
  author = {J. R. Henderson and E. J. Chandler},
  year = {1962},
  doi = {10.3133/gp344},
  url = {https://pubs.usgs.gov/publication/gp344},
  note = {Source identifier: gp344}
}