@misc{indiciae05d4a48043b9,
  title = {Aeromagnetic map of the Jo-Mary Mountain area, Piscataquis and Penobscot Counties, Maine},
  author = {J. R. Balsley and Jean Blanchett and J.R. Kirby and and others},
  year = {1957},
  doi = {10.3133/gp154},
  url = {https://pubs.usgs.gov/publication/gp154},
  note = {Source identifier: gp154}
}