Collection place
- The Americas757 objects
- North America741 objects
- United States738 objects
- California614 objects
- Northern California413 objects
- Northeastern California403 objects
- Modoc County, California311 objects
- Surprise Valley, Modoc County, California311 objects
- CA-Mod-204, Modoc County, California308 objects
- Santa Barbara County, California144 objects
- Southern California144 objects
- CA-SBa-515, Santa Barbara County, California134 objects
- Nevada117 objects
- Northern Sierras, Northern California90 objects
- Calaveras County, California88 objects
- CA-Cal-142, Calaveras County, California83 objects
- Lincoln County, Nevada57 objects
- NV-Ln-1590, Lincoln County, Nevada52 objects
- San Francisco Bay Area, California32 objects
- Napa County, California28 objects