@misc{indiciae1772b6094015,
  title = {Bedrock geologic map of the Mount Snow and Readsboro quadrangles, Bennington and Windham counties, Vermont},
  author = {N. M. Ratcliffe},
  year = {1993},
  doi = {10.3133/i2307},
  url = {https://pubs.usgs.gov/publication/i2307},
  note = {Source identifier: i2307}
}