TY  - RPRT
TI  - The Purisima Formation and related rocks (upper Miocene - Pliocene), greater San Francisco Bay area, central California; review of literature and USGS collection now housed at the Museum of Paleontology, University of California, Berkeley
AU  - C.L. Powell
PY  - 1998
DO  - 10.3133/ofr98594
UR  - https://pubs.usgs.gov/publication/ofr98594
ID  - ofr98594
ER  -