@misc{indiciae9d6c2537d30f,
  title = {Aeromagnetic map of the Oquossoc quadrangle, Oxford and Franklin Counties, Maine},
  author = {G. R. Boynton and Francis P. Gilbert},
  year = {1964},
  doi = {10.3133/ofr6419},
  url = {https://pubs.usgs.gov/publication/ofr6419},
  note = {Source identifier: ofr6419}
}