@misc{indiciae79a3f3e9c731,
  title = {Aeromagnetic map of the Hartford North quadrangle, Hartford County, Connecticut},
  author = {P. W. Philbin and C. W. Smith},
  year = {1966},
  doi = {10.3133/gp595},
  url = {https://pubs.usgs.gov/publication/gp595},
  note = {Source identifier: gp595}
}