Collection place
- Mendocino County, California237 objects
- South Central California232 objects
- Napa Valley, Napa County, California212 objects
- Richmond, Contra Costa County, California207 objects
- Santa Rosa Island, Santa Barbara Channel Islands, Southern California205 objects
- CA-SRI-NL-1, Santa Rosa Island, Channel Islands196 objects
- Marina Bay, Richmond, Contra Costa County188 objects
- Santa Cruz Island, Channel Islands, Southern California188 objects
- Berkeley, Alameda County, California184 objects
- Modoc County, California184 objects
- CA-Ala-307, Berkeley, Alameda County179 objects
- West Berkeley, Berkeley, Alameda County179 objects
- Northern Sierras, Northern California164 objects
- Nevada160 objects
- Berryessa Valley, Napa County, California158 objects
- Northwestern United States151 objects
- Central California coast139 objects
- Middle Napa Valley, Napa County, California136 objects
- Shasta County, California132 objects
- Churchill County, Nevada130 objects