@misc{indiciae070477d11161,
  title = {Bedrock geologic map of the Niantic quadrangle, New London County, Connecticut},
  author = {Richard Goldsmith},
  year = {1967},
  doi = {10.3133/gq575},
  url = {https://pubs.usgs.gov/publication/gq575},
  note = {Source identifier: gq575}
}