@misc{indiciaed669f9bea5ee,
  title = {Surficial geologic maps of the Plainfield Quadrangle, Windham and New London counties, Connecticut},
  author = {Byron D. Stone and Allan D. Randall},
  year = {1975},
  doi = {10.3133/ofr75327},
  url = {https://pubs.usgs.gov/publication/ofr75327},
  note = {Source identifier: ofr75327}
}