@misc{indiciae2d4ba4a9d9d8,
  title = {Map of sheeted diabase dike complex of Coast Range Ophiolite at Mount Diablo in the Kaiser Quarry, Clayton, California},
  author = {Kathleen M. Williams},
  year = {1984},
  doi = {10.3133/ofr84669},
  url = {https://pubs.usgs.gov/publication/ofr84669},
  note = {Source identifier: ofr84669}
}