@misc{indiciae5b258467ea47,
  title = {Bedrock geologic map of the Southwick Quadrangle, Massachusetts and Connecticut},
  author = {R. W. Schnabel},
  year = {1974},
  doi = {10.3133/ofr7499},
  url = {https://pubs.usgs.gov/publication/ofr7499},
  note = {Source identifier: ofr7499}
}