@misc{indiciae41ea7932204d,
  title = {Geologic map of parts of Glastonbury and Middle Haddam quadrangle, Connecticut},
  author = {Frederick Stugard},
  year = {1953},
  doi = {10.3133/ofr53251},
  url = {https://pubs.usgs.gov/publication/ofr53251},
  note = {Source identifier: ofr53251}
}