@misc{indiciaee2b5c7bfe18e,
  title = {Surficial geologic maps of the Marlborough Quadrangle, Connecticut},
  author = {Dennis W. O’Leary},
  year = {1975},
  doi = {10.3133/ofr75399},
  url = {https://pubs.usgs.gov/publication/ofr75399},
  note = {Source identifier: ofr75399}
}