- California6 objects
- North America6 objects
- Northern California6 objects
- The Americas6 objects
- United States6 objects
- North Central California4 objects
- CA-SJo-42, San Joaquin County, California3 objects
- San Joaquin County, California3 objects
- Northwestern California2 objects
- CA-Hum-169 (Tsurai), Humboldt County, California1 objects
- CA-Sac-43 (Brazil Mound), Sacramento, Sacramento County1 objects
- Humboldt County coast, Humboldt County, California1 objects
- Humboldt County, California1 objects
- Mendocino County, California1 objects
- Round Valley, Mendocino County, California1 objects
- Sacramento County, California1 objects
- Sacramento, Sacramento County, California1 objects
- Trinidad Bay, Humboldt County, California1 objects
- Trinidad, Humboldt County, California1 objects