@misc{indiciae55b1fc7f8e16,
  title = {Surficial geologic map of the Clinton quadrangle, Worcester County, Massachusetts},
  author = {Carl Koteff},
  year = {1966},
  doi = {10.3133/gq567},
  url = {https://pubs.usgs.gov/publication/gq567},
  note = {Source identifier: gq567}
}