- North America5 objects
- The Americas5 objects
- United States5 objects
- California4 objects
- Southern California3 objects
- Ventura County, California3 objects
- Channel Islands, Ventura County, California2 objects
- San Nicolas Island, Southern Channel Islands, Ventura County2 objects
- CA-CCo-267, Richmond, Contra Costa County1 objects
- CA-Ven-62, Ventura County, California1 objects
- Contra Costa County, California1 objects
- Jefferson County, Missouri1 objects
- Mastodon State Historic Site, Jefferson County, Missouri1 objects
- Missouri1 objects
- Richmond, Contra Costa County, California1 objects
- San Francisco Bay Area, California1 objects
- Southern central United States1 objects