Collection place
- The Americas923 objects
- North America846 objects
- United States835 objects
- California500 objects
- Northern California397 objects
- North Central California227 objects
- Sacramento County, California200 objects
- Northwestern California136 objects
- Mendocino County, California131 objects
- Northwestern United States124 objects
- Nevada94 objects
- South America77 objects
- Churchill County, Nevada75 objects
- San Francisco Bay Area, California64 objects
- Alaska50 objects
- Peru49 objects
- Round Valley, Mendocino County, California49 objects
- Southern Peru43 objects
- Acari valley, Arequipa Region, Southern Peru42 objects
- Arequipa Region, Southern Peru42 objects