@misc{indiciaea3310f8a811a,
  title = {Surficial geology of the Bristol quadrangle, Connecticut},
  author = {Howard E. Simpson},
  year = {1961},
  doi = {10.3133/gq145},
  url = {https://pubs.usgs.gov/publication/gq145},
  note = {Source identifier: gq145}
}