Collection place
- The Americas183 objects
- North America182 objects
- United States182 objects
- California145 objects
- San Francisco Bay Area, California59 objects
- Napa County, California34 objects
- Napa Valley, Napa County, California32 objects
- Eastern California31 objects
- Inyo County, California31 objects
- Lower Napa Valley, Napa County, California31 objects
- CA-Nap-16, Napa Valley, Napa County28 objects
- Northern California24 objects
- Central California16 objects
- Northwestern United States15 objects
- San Mateo County, California15 objects
- Southern California15 objects
- CA-SMa-151 (Phleger Mound), Princeton, San Mateo County14 objects
- Central California coast14 objects
- Half Moon Bay, San Mateo County, California14 objects
- Nevada14 objects