Collection place
- Santa Rosa Island, Santa Barbara Channel Islands, Southern California90 objects
- Napa Valley, Napa County, California87 objects
- Berkeley, Alameda County, California84 objects
- Surprise Valley, Modoc County, California81 objects
- Marin County, California78 objects
- CA-Mod-204, Modoc County, California77 objects
- CA-Ala-307, Berkeley, Alameda County75 objects
- CA-SRI-NL-1, Santa Rosa Island, Channel Islands75 objects
- Sacramento County, California75 objects
- West Berkeley, Berkeley, Alameda County75 objects
- Santa Rosa Plain, Sonoma County, California74 objects
- Santa Rosa, Sonoma County, California72 objects
- Monterey County, California69 objects
- Santa Cruz Island, Channel Islands, Southern California69 objects
- CA-Ala-309, Emeryville, Alameda County58 objects
- Emeryville, Alameda County, California58 objects
- Middle Napa Valley, Napa County, California57 objects
- Richmond, Contra Costa County, California45 objects
- Marina Bay, Richmond, Contra Costa County38 objects
- San Joaquin County, California38 objects