- North America25 objects
- The Americas25 objects
- United States16 objects
- Alaska15 objects
- Northwestern United States15 objects
- Interior Alaska6 objects
- Subarctic, North America6 objects
- Yukon-Koyukuk Census Area, Alaska6 objects
- nonspecific, North America6 objects
- Upper Yukon River, Yukon-Koyukuk Borough, Alaska4 objects
- Canada3 objects
- Porcupine River, Unknown Borough, Alaska3 objects
- Unknown Borough, Alaska3 objects
- Yukon Territory, Canada3 objects
- unspecified, Unknown Borough, Alaska3 objects
- Pelly River, Yukon Territory, Canada2 objects
- Tanana River, Yukon-Koyukuk Census Area, Alaska2 objects
- Dawson, Yukon Territory, Canada1 objects
- Western United States1 objects