@misc{indiciae219a4fdcc6b3,
  title = {Serpentinite and rodingite in the Hunting Hill quarry, Montgomery County, Maryland},
  author = {David Marcel Larrabee},
  year = {1969},
  doi = {10.3133/b1283},
  url = {https://pubs.usgs.gov/publication/b1283},
  note = {Source identifier: b1283}
}