@misc{indiciaed1cb8c20ac7c,
  title = {Surficial geologic map of the Ashaway quadrangle, Connecticut-Rhode Island},
  author = {John Phillip Schafer},
  year = {1968},
  doi = {10.3133/gq712},
  url = {https://pubs.usgs.gov/publication/gq712},
  note = {Source identifier: gq712}
}