@misc{indiciae1bb5d6ee2657,
  title = {Aeromagnetic map of the Stacyville quadrangle and part of the Katahdin quadrangle, Penobscot and Piscataquis Counties, Maine},
  author = {R. W. Bromery and Carl Long},
  year = {1963},
  doi = {10.3133/gp336},
  url = {https://pubs.usgs.gov/publication/gp336},
  note = {Source identifier: gp336}
}