@misc{indiciae42882acb2a10,
  title = {Preliminary geologic map of the Dublin Quadrangle, Alameda and Contra Costa counties, California},
  author = {T. W. Dibblee},
  year = {1980},
  doi = {10.3133/ofr80537},
  url = {https://pubs.usgs.gov/publication/ofr80537},
  note = {Source identifier: ofr80537}
}