@misc{indiciae3de1e340925d,
  title = {Aeromagnetic map of the Plymouth-Laconia area, New Hampshire},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1973},
  doi = {10.3133/gp892},
  url = {https://pubs.usgs.gov/publication/gp892},
  note = {Source identifier: gp892}
}