@misc{indiciae3eb3ac147436,
  title = {Surficial geologic map of the Torrington quadrangle, Litchfield and Hartford Counties, Connecticut},
  author = {Roger B. Colton},
  year = {1971},
  doi = {10.3133/gq939},
  url = {https://pubs.usgs.gov/publication/gq939},
  note = {Source identifier: gq939}
}