Collection place
- CA-CCo-151, El Sobrante, Contra Costa County106 objects
- El Sobrante, Contra Costa County, California106 objects
- Nevada102 objects
- Middle Napa Valley, Napa County, California101 objects
- Point Reyes, Marin County, California95 objects
- Santa Clara County, California85 objects
- CA-SCl-1 (Ponce Mound), Mountain View, Santa Clara County83 objects
- Mountain View, Santa Clara County, California83 objects
- CA-Nap-32, Napa Valley, Napa County68 objects
- Rutherford area, Napa Valley, Napa County68 objects
- CA-Sac-2 or 3 or 6 ('Johnson Mound'), Sacramento County, California64 objects
- CA-Sac-6, Sacramento County, California64 objects
- CA-SJo-142, San Joaquin County, California58 objects
- CA-Mrn-266, Tomales Point, Point Reyes53 objects
- Churchill County, Nevada53 objects
- Tomales Point, Point Reyes, Marin County53 objects
- Lower Napa Valley, Napa County, California43 objects
- Drakes Bay, Point Reyes, Marin County42 objects
- CA-Mrn-275 (Mendoza Mound 1), Marin County, California41 objects
- NV-Ch-18 (Lovelock Cave), Churchill County, Nevada41 objects