@misc{indiciae1af33677c613,
  title = {Aeromagnetic map of the East Providence quadrangle, Bristol County, Massachusetts, and Providence and Bristol Counties, Rhode Island},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1971},
  doi = {10.3133/gp791},
  url = {https://pubs.usgs.gov/publication/gp791},
  note = {Source identifier: gp791}
}