TY  - RPRT
TI  - Hillside materials and slopes of the San Francisco Bay region, California
AU  - S. D. Ellen
AU  - C. M. Wentworth
PY  - 1995
DO  - 10.3133/pp1357
UR  - https://pubs.usgs.gov/publication/pp1357
ID  - pp1357
ER  -