Collection place
- The Americas67 objects
- North America66 objects
- United States54 objects
- California52 objects
- Northern California49 objects
- Northwestern California30 objects
- Mendocino County, California22 objects
- Round Valley, Mendocino County, California16 objects
- Lake County, California14 objects
- North Central California14 objects
- Mexico10 objects
- Central Mexico9 objects
- Charapan municipality, Michoacán, Mexico9 objects
- Michoacán, Mexico9 objects
- Ocumicho, Michoacan, Mexico9 objects
- Sulphur Bank Round House, Lake County, California9 objects
- West-Central Mexico9 objects
- Northeastern California5 objects
- Northern Sierras, Northern California5 objects
- Africa4 objects