@misc{indiciae3493b077d356,
  title = {Map showing depth to bedrock, Clinton Quadrangle, Connecticut},
  author = {M. H. Ginsberg},
  year = {1984},
  doi = {10.3133/mf553c},
  url = {https://pubs.usgs.gov/publication/mf553C},
  note = {Source identifier: mf553C}
}