- North America139 objects
- The Americas139 objects
- United States✖Remove constraint Collection place: United States139 objects
- Humboldt County, Nevada120 objects
- Nevada120 objects
- Paradise Valley, Humboldt County, Nevada120 objects
- Buckingham site, Paradise Valley, Humboldt County110 objects
- California19 objects
- San Francisco Bay Area, California17 objects
- San Francisco County, California17 objects
- San Francisco Waterfront, San Francisco, San Francisco County17 objects
- San Francisco, San Francisco County, California17 objects
- Site N-2 (North Point Tunnel), San Francisco Waterfront, San Francisco11 objects
- Stewart site, Paradise Valley, Humboldt County7 objects
- CA-SCr-177, Santa Cruz County, California2 objects
- Central California2 objects
- Central California coast2 objects
- Santa Cruz County, California2 objects
- Site C-1 (Berry), San Francisco Waterfront, San Francisco2 objects
- Site CP, San Francisco Waterfront, San Francisco1 objects