TY  - RPRT
TI  - Preliminary bedrock-surface map of the San Francisco City area, California
AU  - Julius Schlocker
AU  - D.H. Radbruch
AU  - Manuel G. Bonilla
PY  - 1954
DO  - 10.3133/ofr54274
UR  - https://pubs.usgs.gov/publication/ofr54274
ID  - ofr54274
ER  -