@misc{indiciae86215fdcc7d6,
  title = {Geologic map of the South Sandisfield quadrangle, Massachusetts and Connecticut},
  author = {David S. Harwood},
  year = {1979},
  doi = {10.3133/gq1519},
  url = {https://pubs.usgs.gov/publication/gq1519},
  note = {Source identifier: gq1519}
}