Collection place
- North America46 objects
- The Americas46 objects
- United States46 objects
- California43 objects
- CA-CCo-259, Rodeo, Contra Costa County26 objects
- Contra Costa County, California26 objects
- Rodeo, Contra Costa County, California26 objects
- San Francisco Bay Area, California26 objects
- Unincorporated western Contra Costa County, California26 objects
- Northern California16 objects
- Lassen County, California10 objects
- Northeastern California10 objects
- CA-Las-3, Lassen County, California8 objects
- Honey Lake Valley, Lassen County, California8 objects
- North Central California6 objects
- Sacramento County, California3 objects
- CA-Las-8, Lassen County, California2 objects
- CA-SJo-68, San Joaquin County, California2 objects
- CA-Sac-64 (Peter Houth Mound), Sacramento County, California2 objects
- Madeline Plains, Lassen County, California2 objects