@misc{indiciae570fcfbe2c3a,
  title = {Aeromagnetic map of the Spider Lake quadrangle and part of Musquacook Lakes quadrangle, Piscataquis and Aroostook Counties, Maine},
  author = {L. A. Anderson and R. W. Bromery and N.S. Tyson},
  year = {1963},
  doi = {10.3133/gp376},
  url = {https://pubs.usgs.gov/publication/gp376},
  note = {Source identifier: gp376}
}