@misc{indiciae415b4cb5a87c,
  title = {Preliminary bedrock geologic map of the Mystic Quadrangle, New London County, Connecticut, Suffolk County, New York, and Washington County, Rhode Island},
  author = {Richard Goldsmith},
  year = {1975},
  doi = {10.3133/ofr75602},
  url = {https://pubs.usgs.gov/publication/ofr75602},
  note = {Source identifier: ofr75602}
}