@misc{indiciaebf65d0bb18fe,
  title = {Map showing unconsolidated materials, New Britain quadrangle, Connecticut},
  author = {W. H. Langer},
  year = {1973},
  doi = {10.3133/mf523a},
  url = {https://pubs.usgs.gov/publication/mf523A},
  note = {Source identifier: mf523A}
}