- CA-Mod-229, Modoc County, California14 objects
- NV-Wa-1502 (Hanging Rock Shelter), Washoe County, Nevada14 objects
- CA-Mod-227, Modoc County, California13 objects
- CA-Mod-241, Modoc County, California12 objects
- Lassen County, California12 objects
- CA-Mod-202, Modoc County, California9 objects
- NV-Wa-195, Washoe County, Nevada9 objects
- CA-Mod-246, Modoc County, California8 objects
- CA-Mod-210, Modoc County, California7 objects
- CA-Mod-237, Modoc County, California7 objects
- NV-Wa-185, Washoe County, Nevada7 objects
- NV-Wa-196, Washoe County, Nevada7 objects
- CA-Las-196, Lassen County, California6 objects
- CA-Mod-236, Modoc County, California6 objects
- CA-Mod-238, Modoc County, California6 objects
- CA-Mod-240, Modoc County, California6 objects
- Corporation Meadow, Lassen County, California6 objects
- CA-Mod-235, Modoc County, California4 objects
- CA-Las-197, Corporation Meadow, Lassen County3 objects
- CA-Las-198, Corporation Meadow, Lassen County3 objects