@misc{indiciae973af3338d82,
  title = {Bedrock geology in the vicinity of the Knowles and Andreas well sites, West Newbury, Massachusetts},
  author = {Gregory J. Walsh},
  year = {2001},
  doi = {10.3133/ofr01353},
  url = {https://pubs.usgs.gov/publication/ofr01353},
  note = {Source identifier: ofr01353}
}