@misc{indiciaed48d7acc862b,
  title = {Bedrock geologic map of the Westhampton quadrangle, Hampshire County, Massachusetts},
  author = {Stewart F. Clark},
  year = {1987},
  doi = {10.3133/gq1640},
  url = {https://pubs.usgs.gov/publication/gq1640},
  note = {Source identifier: gq1640}
}