@misc{indiciae84e4ff3145a9,
  title = {Aeromagnetic map of the Moosehead Lake quadrangle and part of the First Roach Pond quadrangle, Piscataquis and Somerset Counties, Maine},
  author = {J. R. Henderson and C. W. Smith},
  year = {1963},
  doi = {10.3133/gp334},
  url = {https://pubs.usgs.gov/publication/gp334},
  note = {Source identifier: gp334}
}