@misc{indiciae6944997f0cd7,
  title = {Aeromagnetic map of the Boonton quadrangle, Morris County, New Jersey},
  author = {John R. Henderson and Natalie S. Tyson},
  year = {1958},
  doi = {10.3133/gp167},
  url = {https://pubs.usgs.gov/publication/gp167},
  note = {Source identifier: gp167}
}