Collection place
- Sacramento County, California12 objects
- San Bruno, San Mateo County, California1 objects
- San Francisco Bay Area, California30 objects
- San Francisco County, California1 objects
- San Francisco, San Francisco County, California1 objects
- San Joaquin County, California11 objects
- San Luis Obispo County, California1 objects
- San Mateo County, California1 objects
- San Pablo Peninsula, Richmond, Contra Costa County1 objects
- Santa Barbara (City), Santa Barbara County, California18 objects
- Santa Barbara County, California150 objects
- Santa Catalina Island, Southern Channel Islands, Los Angeles County1 objects
- Santa Clara County, California1 objects
- Santa Cruz Island, Channel Islands, Southern California97 objects
- Santa Rosa Island, Santa Barbara Channel Islands, Southern California5 objects
- Saudi Arabia1 objects
- Sausalito, Marin County, California1 objects
- Shasta County, California1 objects
- Shinarump, Coconino County, Arizona1 objects
- Siskiyou County, California1 objects