@misc{indiciae063034b94a3d,
  title = {Aeromagnetic map of the Hull quadrangle, Suffolk, Norfolk, and Plymouth Counties, Massachusetts},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1969},
  doi = {10.3133/gp678},
  url = {https://pubs.usgs.gov/publication/gp678},
  note = {Source identifier: gp678}
}