Collection place
- The Americas251 objects
- North America249 objects
- United States245 objects
- California242 objects
- San Francisco Bay Area, California143 objects
- Northern California89 objects
- North Central California65 objects
- Solano County, California62 objects
- Lindsey Slough, Solano County, California59 objects
- Sacramento County, California35 objects
- Napa County, California32 objects
- CA-Sol-2, Solano County, California30 objects
- Berryessa Valley, Napa County, California28 objects
- CA-Nap-93, Berryessa Valley, Napa County28 objects
- Contra Costa County, California23 objects
- CA-Sol-3, Solano County, California22 objects
- Northwestern California17 objects
- CA-Hum-169 (Tsurai), Humboldt County, California16 objects
- Humboldt County coast, Humboldt County, California16 objects
- Humboldt County, California16 objects