@misc{indiciae45963e55be57,
  title = {The green schists and associated granites and porphyries of Rhode Island},
  author = {Benjamin Kendall Emerson and Joseph H. Perry},
  year = {1907},
  doi = {10.3133/b311},
  url = {https://pubs.usgs.gov/publication/b311},
  note = {Source identifier: b311}
}