Collection place
- The Americas275 objects
- North America269 objects
- United States247 objects
- California191 objects
- Northern California149 objects
- Glenn County, California76 objects
- Grindstone Creek, Glenn County, California76 objects
- North Central California76 objects
- Northwestern California53 objects
- Asia41 objects
- San Francisco Bay Area, California35 objects
- Humboldt County, California29 objects
- New York City, New York County, New York25 objects
- New York County, New York25 objects
- New York state25 objects
- Northeastern United States25 objects
- Philippines23 objects
- San Francisco County, California23 objects
- San Francisco, San Francisco County, California23 objects
- Southeast Asia23 objects