@misc{indiciae52054544b053,
  title = {Significance of age relations above and below upper jurassic ophiolite in the Geysers-Clear Lake region, California},
  author = {R. J. McLaughlin and E.A. Pessagno},
  year = {1978},
  url = {https://pubs.usgs.gov/publication/70162706},
  note = {Source identifier: 70162706}
}