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Collection place
- California2
- North America2
- The Americas2
- United States2
- CA-CCo-138, Oakley, Contra Costa County1
- CA-Yol-52 (Holland Land site), Yolo County, California1
- Contra Costa County, California1
- Elk Slough, Yolo County, California1
- North Central California1
- Northern California1
- Oakley, Contra Costa County, California1
- San Francisco Bay Area, California1
- Yolo County, California1