@misc{indiciaed0c664b00744,
  title = {Map showing unconsolidated materials, Marlborough quadrangle, Connecticut},
  author = {Dennis W. O’Leary},
  year = {1975},
  doi = {10.3133/mf645a},
  url = {https://pubs.usgs.gov/publication/mf645A},
  note = {Source identifier: mf645A}
}