@misc{indiciaecfae3a163310,
  title = {Aeromagnetic map of the Oquossoc quadrangle, Oxford and Franklin Counties, Maine},
  author = {G. R. Boynton and F. P. Gilbert},
  year = {1964},
  doi = {10.3133/gp478},
  url = {https://pubs.usgs.gov/publication/gp478},
  note = {Source identifier: gp478}
}