Collection place
- North America453 objects
- The Americas453 objects
- United States453 objects
- California413 objects
- Northern California305 objects
- Northeastern California268 objects
- Northern Sierras, Northern California257 objects
- Calaveras County, California119 objects
- CA-Cal-142, Calaveras County, California108 objects
- Placer County, California108 objects
- San Francisco Bay Area, California89 objects
- CA-Pla-5 or 6, Placer County, California85 objects
- Napa County, California78 objects
- CA-Pla-5, Placer County, California69 objects
- Napa Valley, Napa County, California66 objects
- Upper Napa Valley, Napa County, California52 objects
- Nevada40 objects
- North Central California36 objects
- Barro area, Napa Valley, Napa County30 objects
- Nevada County, California22 objects