- California57,298 objects
- North America57,298 objects
- Northern California✖Remove constraint Collection place: Northern California57,298 objects
- The Americas57,298 objects
- United States57,298 objects
- Northeastern California23,960 objects
- North Central California23,874 objects
- Sacramento County, California15,302 objects
- Northwestern California9,463 objects
- CA-Sac-2 or 3 or 6 ('Johnson Mound'), Sacramento County, California9,291 objects
- CA-Sac-6, Sacramento County, California9,270 objects
- Northern Sierras, Northern California8,410 objects
- Modoc County, California6,468 objects
- Surprise Valley, Modoc County, California5,456 objects
- Lassen County, California5,064 objects
- CA-Mod-204, Modoc County, California4,943 objects
- Humboldt County, California4,805 objects
- Placer County, California3,373 objects
- Humboldt County coast, Humboldt County, California3,322 objects
- Trinidad Bay, Humboldt County, California2,927 objects