Collection place
- near Weitchpec, Klamath River, Humboldt County74 objects
- Sutter County, California71 objects
- Capay Valley, Yolo County, California65 objects
- CA-Yol-15 (Guinda site), Capay Valley, Yolo County63 objects
- Guinda, Capay Valley, Yolo County63 objects
- CA-Pla-4 (Lincoln Mound), Placer County, California62 objects
- CA-SBa-513 (Dairy Creek site), Santa Barbara County, California62 objects
- CA-Col-3 (Sandhill site), Colusa County, California60 objects
- South Central California57 objects
- Contra Costa County, California56 objects
- CA-Sut-11 (Verona Mound), Sutter County, California54 objects
- Solano County, California54 objects
- St. Helena area, Napa Valley, Napa County53 objects
- Elk Slough, Yolo County, California50 objects
- CA-CCo-138, Oakley, Contra Costa County48 objects
- Oakley, Contra Costa County, California48 objects
- Feather River/Lower Horvat Creek watershed47 objects
- El Dorado County, California46 objects
- CA-Nap-53 (Mee's Island site), Napa Valley, Napa County45 objects
- Central California coast41 objects