@misc{indiciae1ef8e0a47bc9,
  title = {Aeromagnetic map of the Ellington quadrangle and part of the Rockville quadrangle, Hartford and Tolland Counties, Connecticut},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1969},
  doi = {10.3133/gp648},
  url = {https://pubs.usgs.gov/publication/gp648},
  note = {Source identifier: gp648}
}