@misc{indiciae10522ae887cd,
  title = {Aeromagnetic maps of the Attean quadrangle and part of the Sandy Bay quadrangle, Somerset County, Maine},
  author = {Randolph Wilson Bromery and Francis P. Gilbert},
  year = {1961},
  doi = {10.3133/ofr6125},
  url = {https://pubs.usgs.gov/publication/ofr6125},
  note = {Source identifier: ofr6125}
}