TY  - RPRT
TI  - Pedogenic calcite as evidence for an early Holocene dry period in the San Francisco Bay area, California
AU  - G. Borchardt
AU  - J. J. Lienkaemper
PY  - 1999
DO  - 10.1130/0016-7606(1999)111<0906:pcaefa>2.3.co;2
UR  - https://pubs.usgs.gov/publication/70021551
ID  - 70021551
ER  -