- North America210 objects
- The Americas✖Remove constraint Collection place: The Americas210 objects
- United States210 objects
- California192 objects
- Northern California170 objects
- North Central California156 objects
- Sacramento County, California121 objects
- CA-Sac-2 or 3 or 6 ('Johnson Mound'), Sacramento County, California104 objects
- CA-Sac-6, Sacramento County, California104 objects
- San Joaquin County, California35 objects
- CA-SJo-68, San Joaquin County, California32 objects
- Alaska16 objects
- Northwestern United States16 objects
- San Francisco Bay Area, California14 objects
- Northwestern California11 objects
- CA-Sac-21 (Hollister Mound), Sacramento County, California10 objects
- Humboldt County coast, Humboldt County, California9 objects
- Humboldt County, California9 objects
- San Francisco County, California8 objects
- San Francisco Waterfront, San Francisco, San Francisco County8 objects