Collection place
- North America296 objects
- The Americas296 objects
- United States283 objects
- California223 objects
- Central California128 objects
- South Central California128 objects
- Kern County, California109 objects
- Northern California61 objects
- Northwestern California36 objects
- Northwestern United States33 objects
- Southern California26 objects
- Southwestern United States17 objects
- North Central California16 objects
- Klamath River area, Northwestern California, California15 objects
- Alaska13 objects
- Arizona13 objects
- Central Oregon13 objects
- Mendocino County, California13 objects
- Oregon13 objects
- Kelso Valley, Kern County, California12 objects