@misc{indiciaeb0d9d5aaeaa7,
  title = {Aeromagnetic map of the Phillips quadrangle, Franklin County, Maine},
  author = {G. R. Boynton and Francis P. Gilbert},
  year = {1964},
  doi = {10.3133/ofr6420},
  url = {https://pubs.usgs.gov/publication/ofr6420},
  note = {Source identifier: ofr6420}
}