TY  - RPRT
TI  - General distribution of geologic materials in the southern San Francisco Bay Region, California: A digital map database
AU  - Carl M. Wentworth
PY  - 1993
DO  - 10.3133/ofr93693
UR  - https://pubs.usgs.gov/publication/ofr93693
ID  - ofr93693
ER  -