- North America✖Remove constraint Collection place: North America311 objects
- The Americas311 objects
- United States196 objects
- Northwestern United States184 objects
- Alaska174 objects
- Interior Alaska127 objects
- Yukon-Koyukuk Census Area, Alaska127 objects
- Upper Yukon River, Yukon-Koyukuk Borough, Alaska96 objects
- Great Plains, North America49 objects
- Canada37 objects
- Subarctic, North America29 objects
- nonspecific, North America29 objects
- Blackfoot Reservation, Canada26 objects
- Tanana River, Yukon-Koyukuk Census Area, Alaska25 objects
- Central Plains, Great Plains, North America13 objects
- Southern Alaska11 objects
- Southwest Coast, Alaska9 objects
- Yukon Territory, Canada9 objects
- Western Alaska8 objects
- Pelly River, Yukon Territory, Canada7 objects