@misc{indiciae145534063632,
  title = {Bedrock geology, Hartford North Quadrangle, Connecticut},
  author = {Fred Pessl and W. H. Langer},
  year = {1972},
  doi = {10.3133/i784b},
  url = {https://pubs.usgs.gov/publication/i784B},
  note = {Source identifier: i784B}
}