Collection place
- Sacramento County, California5 objects
- San Benito County, California23 objects
- San Francisco Bay Area, California15 objects
- San Francisco County, California1 objects
- San Francisco, San Francisco County, California1 objects
- San Juan Bautista (town), San Benito County, California23 objects
- Santa Barbara County, California2 objects
- Santa Cruz Island, Channel Islands, Southern California2 objects
- Site 100 (Massey), Comondú region, Comondú Municipality, Baja California Sur2 objects
- Site 11 (Brooks), Gómez Farías Municipality, Chihuahua1 objects
- Site 113 (Brooks), Gómez Farías Municipality, Chihuahua1 objects
- Site 34 (Brooks), Río Jésus María, Chihuahua Municipality2 objects
- Solano County, California2 objects
- South America1 objects
- South Central California2 objects
- South Province, New Caledonia2 objects
- Southern California2 objects
- Southern Europe1 objects
- Southern Peru1 objects
- Strong site IP 63E, Isla Partida, Baja California Sur1 objects