@misc{indiciaec95b8b345b36,
  title = {Aeromagnetic map of the Spring Hill quadrangle, Tolland and Windham Counties, Connecticut},
  author = {P. W. Philbin and C. W. Smith},
  year = {1966},
  doi = {10.3133/gp585},
  url = {https://pubs.usgs.gov/publication/gp585},
  note = {Source identifier: gp585}
}