Collection place
- North America124 objects
- The Americas124 objects
- United States123 objects
- California95 objects
- Northern California46 objects
- Angwin area, Napa County, California38 objects
- CA-Nap-37, Napa Valley, Napa County38 objects
- Napa County, California38 objects
- San Francisco Bay Area, California38 objects
- North Central California17 objects
- Southwestern United States17 objects
- Arizona16 objects
- Northwestern California16 objects
- Lake County, California14 objects
- Middletown, Lake County, California13 objects
- Northeastern California13 objects
- Modoc County, California11 objects
- Pima County, Arizona11 objects
- Tucson, Pima County, Arizona11 objects
- Northwestern United States10 objects