@misc{indiciaec67e29b284c5,
  title = {Digital bedrock geologic map of the Andover quadrangle, Vermont},
  author = {N. M. Ratcliffe},
  year = {1996},
  doi = {10.3133/ofr9631b},
  url = {https://pubs.usgs.gov/publication/ofr9631B},
  note = {Source identifier: ofr9631B}
}