@misc{indiciae37b4cbc247a6,
  title = {Bedrock geology of the Providence quadrangle, Rhode Island},
  author = {Alonzo W. Quinn},
  year = {1959},
  doi = {10.3133/gq118},
  url = {https://pubs.usgs.gov/publication/gq118},
  note = {Source identifier: gq118}
}