@misc{indiciae6d7a86e70cac,
  title = {Map showing unconsolidated materials, Niantic quadrangle, Connecticut},
  author = {Richard Goldsmith},
  year = {1974},
  doi = {10.3133/mf593a},
  url = {https://pubs.usgs.gov/publication/mf593A},
  note = {Source identifier: mf593A}
}