@misc{indiciaefa876b87161e,
  title = {Aeromagnetic map of the Rockville quadrangle, Hartford and Tolland Counties, Connecticut},
  author = {P. W. Philbin and C. W. Smith},
  year = {1966},
  doi = {10.3133/gp587},
  url = {https://pubs.usgs.gov/publication/gp587},
  note = {Source identifier: gp587}
}