- North America✖Remove constraint Collection place: North America25 objects
- The Americas25 objects
- United States25 objects
- California15 objects
- San Francisco Bay Area, California13 objects
- Alameda County, California12 objects
- CA-Ala-309, Emeryville, Alameda County10 objects
- Emeryville, Alameda County, California10 objects
- Nevada7 objects
- Lincoln County, Nevada5 objects
- NV-Ln-1590, Lincoln County, Nevada5 objects
- Northwestern United States3 objects
- Alaska2 objects
- Aleutian Islands, Alaska2 objects
- Aleutians West Borough, Alaska2 objects
- Amchitka Island, Rat Islands, Central Aleutians2 objects
- Arroyo Mocho, Alameda County, California2 objects
- CA-Ala-28 (McCoy site), Arroyo Mocho, Alameda County2 objects
- Central Aleutians, Aleutians West Borough, Alaska2 objects
- Rat Islands, Central Aleutians, Aleutians West Borough2 objects