@misc{indiciae04d5dba3ee86,
  title = {Pedogenic calcite as evidence for an early Holocene dry period in the San Francisco Bay area, California},
  author = {G. Borchardt and J. J. Lienkaemper},
  year = {1999},
  doi = {10.1130/0016-7606(1999)111<0906:pcaefa>2.3.co;2},
  url = {https://pubs.usgs.gov/publication/70021551},
  note = {Source identifier: 70021551}
}