@misc{indiciae90ba57e93ec0,
  title = {Preliminary bedrock geologic map of the Middle Haddam quadrangle, Middlesex County, Connecticut},
  author = {Gordon P. Eaton and John L. Rosenfeld},
  year = {1972},
  doi = {10.3133/ofr7299},
  url = {https://pubs.usgs.gov/publication/ofr7299},
  note = {Source identifier: ofr7299}
}