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Collection place
- North AmericaRemove constraint Collection place: North America4 objects
- The Americas4 objects
- United States4 objects
- California3 objects
- Northern California2 objects
- CA-CCo-141, Palm Tract, Contra Costa County1 objects
- CA-Las-194, Surprise Valley, Lassen County1 objects
- CA-Sut-11 (Verona Mound), Sutter County, California1 objects
- Churchill County, Nevada1 objects
- Contra Costa County, California1 objects
- Lassen County, California1 objects
- NV-Ch-35 (Humboldt Cave), Churchill County, Nevada1 objects
- Nevada1 objects
- North Central California1 objects
- Northeastern California1 objects
- Palm Tract, Contra Costa County, California1 objects
- San Francisco Bay Area, California1 objects
- Surprise Valley, Lassen County, California1 objects
- Sutter County, California1 objects
- Unincorporated eastern Contra Costa County, California1 objects