Collection place
- North America530 objects
- The Americas530 objects
- California529 objects
- United States529 objects
- Northern California493 objects
- North Central California483 objects
- Sacramento County, California416 objects
- CA-Sac-2 or 3 or 6 ('Johnson Mound'), Sacramento County, California386 objects
- CA-Sac-6, Sacramento County, California386 objects
- San Joaquin County, California67 objects
- CA-SJo-43, San Joaquin County, California38 objects
- San Francisco Bay Area, California34 objects
- Contra Costa County, California29 objects
- Oakley, Contra Costa County, California29 objects
- CA-CCo-138, Oakley, Contra Costa County28 objects
- CA-SJo-68, San Joaquin County, California23 objects
- CA-Sac-19, Sacramento County, California19 objects
- Northwestern California9 objects
- CA-Hum-169 (Tsurai), Humboldt County, California6 objects
- CA-SJo-48, San Joaquin County, California6 objects