@misc{indiciae51e18820e1d5,
  title = {Aeromagnetic map of the Natick quadrangle, Middlesex and Norfolk Counties, Massachusetts},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1969},
  doi = {10.3133/gp675},
  url = {https://pubs.usgs.gov/publication/gp675},
  note = {Source identifier: gp675}
}