@misc{indiciae7caafa15ce65,
  title = {Geologic map of the Bashbish Falls quadrangle, Massachusetts, Connecticut, and New York},
  author = {E-an Zen and Joseph H. Hartshorn},
  year = {1966},
  doi = {10.3133/gq507},
  url = {https://pubs.usgs.gov/publication/gq507},
  note = {Source identifier: gq507}
}