@misc{indiciae582811e9aa41,
  title = {Bedrock geology of the Shelburne Falls quadrangle, Massachusetts},
  author = {Kenneth K. Segerstrom},
  year = {1956},
  doi = {10.3133/gq87},
  url = {https://pubs.usgs.gov/publication/gq87},
  note = {Source identifier: gq87}
}