@misc{indiciae4e9b29eebeb5,
  title = {Preliminary bedrock geologic map of the Vermont part of the 7.5 x 15 minute Bellows Falls Quadrangle, Windham and Windsor counties, Vermont},
  author = {T. R. Armstrong},
  year = {1997},
  doi = {10.3133/ofr97284},
  url = {https://pubs.usgs.gov/publication/ofr97284},
  note = {Source identifier: ofr97284}
}