- Northeastern California8 objects
- Northern Channel Islands, Santa Barbara County, California8 objects
- Santa Barbara County, California8 objects
- Southern California8 objects
- Santa Cruz Island, Channel Islands, Southern California7 objects
- CA-ElD-16 (Hawver Cave), El Dorado County, California5 objects
- CA-Sac-56 (Mosher site), Sacramento County, California5 objects
- El Dorado County, California5 objects
- Northern Sierras, Northern California5 objects
- Asia4 objects
- CA-Sol-2, Solano County, California4 objects
- Douglas County, Nevada4 objects
- Lindsey Slough, Solano County, California4 objects
- NV-Do-1, Douglas County, Nevada4 objects
- Solano County, California4 objects
- British Columbia, Canada3 objects
- CA-SCrI-107, Santa Cruz Island, Channel Islands3 objects
- CA-SCrI-3, Santa Cruz Island, Channel Islands3 objects
- CA-Sis-239, Lower Klamath Lake, Siskiyou County3 objects
- Canada3 objects