@misc{indiciae5832969e5ee5,
  title = {Aeromagnetic map of the Deep River quadrangle, Middlesex and New London Counties, Connecticut},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1973},
  doi = {10.3133/gp868},
  url = {https://pubs.usgs.gov/publication/gp868},
  note = {Source identifier: gp868}
}