@misc{indiciae76a7728b9246,
  title = {Aeromagnetic map of the Ansonia quadrangle, New Haven and Fairfield Counties, Connecticut},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1973},
  doi = {10.3133/gp872},
  url = {https://pubs.usgs.gov/publication/gp872},
  note = {Source identifier: gp872}
}