@misc{indiciae1d28fc9bf15f,
  title = {Aeromagnetic map of the Holliston quadrangle, Middlesex, Norfolk, and Worcester Counties, Massachusetts},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1971},
  doi = {10.3133/gp761},
  url = {https://pubs.usgs.gov/publication/gp761},
  note = {Source identifier: gp761}
}