Collection place
- North America25 objects
- The Americas25 objects
- United States25 objects
- California18 objects
- Northeastern California18 objects
- Northern California18 objects
- Northern Sierras, Northern California18 objects
- Calaveras County, California14 objects
- Murphys, Calaveras County, California5 objects
- near Murphys, Calaveras County, California5 objects
- Great Basin, United States4 objects
- Southwestern United States4 objects
- West Point, Calaveras County, California4 objects
- Alpine County, California3 objects
- Nevada3 objects
- Angels Camp, Calaveras County, California2 objects
- Amador County, California1 objects
- Carson City County, Nevada1 objects
- Carson City, Carson City County, Nevada1 objects
- Kelly Ranch, Amador County, California1 objects