@misc{indiciae0313ba33558d,
  title = {Aeromagnetic map of the West Springfield quadrangle and part of the Southwick quadrangle, Hampden County, Massachusetts, and Hartford County, Connecticut},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1968},
  doi = {10.3133/gp635},
  url = {https://pubs.usgs.gov/publication/gp635},
  note = {Source identifier: gp635}
}