@misc{indiciae09abb0012cc1,
  title = {Surficial geologic map of the West Torrington quadrangle, Litchfield County, Connecticut},
  author = {Roger B. Colton},
  year = {1968},
  doi = {10.3133/gq727},
  url = {https://pubs.usgs.gov/publication/gq727},
  note = {Source identifier: gq727}
}