- California18 objects
- North America18 objects
- The Americas18 objects
- United States18 objects
- CA-CCo-138, Oakley, Contra Costa County17 objects
- Contra Costa County, California17 objects
- Oakley, Contra Costa County, California17 objects
- San Francisco Bay Area, California17 objects
- CA-Hum-169 (Tsurai), Humboldt County, California1 objects
- Humboldt County coast, Humboldt County, California1 objects
- Humboldt County, California1 objects
- Northern California1 objects
- Northwestern California1 objects
- Trinidad Bay, Humboldt County, California1 objects
- Trinidad, Humboldt County, California1 objects