@misc{indiciaed495e84a1743,
  title = {Map showing depth to bedrock, Branford quadrangle, Connecticut},
  author = {C. Erwin Brown},
  year = {1976},
  doi = {10.3133/mf560e},
  url = {https://pubs.usgs.gov/publication/mf560E},
  note = {Source identifier: mf560E}
}