@misc{indiciae1abdebdd4edb,
  title = {Preliminary materials map of the South Sandisfield quadrangle, Massachusetts-Connecticut},
  author = {George William Holmes},
  year = {1964},
  doi = {10.3133/ofr6483},
  url = {https://pubs.usgs.gov/publication/ofr6483},
  note = {Source identifier: ofr6483}
}