@misc{indiciae2d98eab6429f,
  title = {Surficial geologic map of the Ellington quadrangle, Hartford and Tolland Counties, Connecticut},
  author = {Roger B. Colton},
  year = {1972},
  doi = {10.3133/gq965},
  url = {https://pubs.usgs.gov/publication/gq965},
  note = {Source identifier: gq965}
}