@misc{indiciae78c189db193d,
  title = {Bedrock geologic map of the Spring Hill quadrangle, Connecticut},
  author = {Maurice Henry Pease},
  year = {1988},
  doi = {10.3133/gq1650},
  url = {https://pubs.usgs.gov/publication/gq1650},
  note = {Source identifier: gq1650}
}