@misc{indiciaec495b4356b91,
  title = {Preliminary geologic map of the Niles 7.5-minute Quadrangle, Alameda County, California},
  author = {R. W. Graymer and D. L. Jones and E. E. Brabb and E. J. Helley},
  year = {1994},
  doi = {10.3133/ofr94132},
  url = {https://pubs.usgs.gov/publication/ofr94132},
  note = {Source identifier: ofr94132}
}