Collection place
- Alameda County, California5 objects
- Bear Valley, Marin County, California4 objects
- Berkeley, Alameda County, California4 objects
- Berryessa Valley, Napa County, California63 objects
- Bodega Bay region, Sonoma County, California31 objects
- Bodega Harbor, Sonoma County, California31 objects
- Buena Vista Hills, Kern County, California273 objects
- Buena Vista area, Kern County, California273 objects
- Buttonwillow area, Kern County, California1 objects
- Byron Tract, Contra Costa County, California2 objects
- CA-Ala-307, Berkeley, Alameda County4 objects
- CA-Ala-330, Newark, Alameda County1 objects
- CA-CCo-138, Oakley, Contra Costa County67 objects
- CA-CCo-139 (Simone Mound), Oakley, Contra Costa County1 objects
- CA-CCo-141, Palm Tract, Contra Costa County2 objects
- CA-CCo-145, Byron Tract, Contra Costa County2 objects
- CA-CCo-150, Veale Tract, Contra Costa County4 objects
- CA-CCo-250, Concord, Contra Costa County4 objects
- CA-CCo-259, Rodeo, Contra Costa County15 objects
- CA-CCo-267, Richmond, Contra Costa County12 objects