@misc{indiciae7068657d47d3,
  title = {Aeromagnetic map of central New Hampshire using digitized data},
  author = {Jerry H. Hassemer and R.P. Kuck and T. Canon and G. Dodson},
  year = {1979},
  doi = {10.3133/ofr79666},
  url = {https://pubs.usgs.gov/publication/ofr79666},
  note = {Source identifier: ofr79666}
}