- North America106 objects
- The Americas106 objects
- United States101 objects
- California83 objects
- Northern California75 objects
- North Central California48 objects
- Lake County, California44 objects
- Sulphur Bank Rancheria, Lake County, California26 objects
- Northeastern California14 objects
- Sulphur Bank Round House, Lake County, California14 objects
- Northwestern California13 objects
- Southwestern United States8 objects
- Lassen County, California7 objects
- Northwestern United States6 objects
- Arizona5 objects
- British Columbia, Canada4 objects
- Canada4 objects
- Siskiyou County, California4 objects
- Southern California4 objects
- Upper Klamath River, Klamath River, Klamath River area4 objects