- California93 objects
- North America93 objects
- Northern California✖Remove constraint Collection place: Northern California93 objects
- The Americas93 objects
- United States93 objects
- North Central California79 objects
- CA-Teh-1 (Kingsley Cave), Tehama County, California68 objects
- Tehama County, California68 objects
- Humboldt County coast, Humboldt County, California12 objects
- Humboldt County, California12 objects
- Northwestern California12 objects
- CA-Hum-118, Humboldt County, California7 objects
- Patrick's Point, Humboldt County, California7 objects
- Sacramento County, California6 objects
- CA-Sac-2 or 3 or 6 ('Johnson Mound'), Sacramento County, California5 objects
- CA-Sac-6, Sacramento County, California5 objects
- CA-Hum-169 (Tsurai), Humboldt County, California4 objects
- CA-Yol-13 (Mustang Mound), Yolo County, California4 objects
- Trinidad Bay, Humboldt County, California4 objects
- Trinidad, Humboldt County, California4 objects