@misc{indiciae723a111d2b47,
  title = {Surficial geologic map of the Cornwall quadrangle, Litchfield County, Connecticut},
  author = {Charles Reynolds Warren and Roger B. Colton},
  year = {1974},
  doi = {10.3133/gq1148},
  url = {https://pubs.usgs.gov/publication/gq1148},
  note = {Source identifier: gq1148}
}