- California644 objects
- North America644 objects
- Northern California✖Remove constraint Collection place: Northern California644 objects
- The Americas644 objects
- United States644 objects
- North Central California471 objects
- Sacramento County, California315 objects
- CA-Sac-168 (Erich site), Sacramento County, California280 objects
- Northeastern California173 objects
- San Joaquin County, California156 objects
- CA-SJo-106, Stockton, San Joaquin County151 objects
- Stockton, San Joaquin County, California151 objects
- Northern Sierras, Northern California142 objects
- Tuolumne County, California142 objects
- CA-Sha-52, Shasta County, California30 objects
- Fall River Valley, Shasta County, California30 objects
- Shasta County, California30 objects
- CA-Sac-137, Sacramento County, California24 objects
- CA-SJo-106C, San Joaquin County, California8 objects
- CA-Sac-2 or 3 or 6 ('Johnson Mound'), Sacramento County, California6 objects