@misc{indiciae55ea56d67e5e,
  title = {Bedrock geologic map of the Voluntown quadrangle, New London County, Connecticut, and Kent and Washington Counties, Rhode Island},
  author = {Tomas Feininger},
  year = {1965},
  doi = {10.3133/gq436},
  url = {https://pubs.usgs.gov/publication/gq436},
  note = {Source identifier: gq436}
}