@misc{indiciae11f945ece1be,
  title = {Aeromagnetic map of part of the Tolland Center quadrangle, Berkshire and Hampden Counties, Massachusetts, and Hartford and Litchfield Counties, Connecticut},
  author = {G. R. Boynton and Peter Popenoe and G. L. Zandle},
  year = {1965},
  doi = {10.3133/gp535},
  url = {https://pubs.usgs.gov/publication/gp535},
  note = {Source identifier: gp535}
}