Collection place
- Alameda County, California3 objects
- Arizona1 objects
- Barro area, Napa Valley, Napa County35 objects
- Berkeley, Alameda County, California1 objects
- Berryessa Valley, Napa County, California1 objects
- Big Lagoon, Humboldt County, California21 objects
- Black Rock Desert Wilderness, Humboldt County, Nevada429 objects
- Bodega Bay region, Sonoma County, California15 objects
- Bodega Harbor, Sonoma County, California15 objects
- Bolivia37 objects
- Bradford Island, Contra Costa County, California1 objects
- Brentwood, Contra Costa County, California2 objects
- Byron Tract, Contra Costa County, California1 objects
- CA-Ala-308, Alameda County, California1 objects
- CA-Ala-309, Emeryville, Alameda County2 objects
- CA-CCo-138, Oakley, Contra Costa County256 objects
- CA-CCo-141, Palm Tract, Contra Costa County14 objects
- CA-CCo-145, Byron Tract, Contra Costa County1 objects
- CA-CCo-151, El Sobrante, Contra Costa County19 objects
- CA-CCo-18, Brentwood, Contra Costa County2 objects