- Thornton, San Joaquin County, California149 objects
- CA-Sac-60 (Hicks 1), Sacramento County, California136 objects
- CA-Sac-127 (Augustine site), Sacramento County, California125 objects
- CA-Sac-29 (King Brown Mound), Sacramento, Sacramento County115 objects
- CA-Sac-86 (Nicolaus #3), Sacramento County, California108 objects
- Southern California87 objects
- Santa Barbara County, California85 objects
- San Francisco Bay Area, California81 objects
- Napa County, California80 objects
- CA-Sac-85 (Nicolaus #2), Sacramento County, California63 objects
- Capay Valley, Yolo County, California61 objects
- Yolo County, California61 objects
- CA-Yol-15 (Guinda site), Capay Valley, Yolo County60 objects
- Guinda, Capay Valley, Yolo County60 objects
- CA-SBa-513 (Dairy Creek site), Santa Barbara County, California52 objects
- Middle Napa Valley, Napa County, California51 objects
- Napa Valley, Napa County, California51 objects
- CA-Sac-120 (Goethe #1), Sacramento County, California38 objects
- CA-Nap-53 (Mee's Island site), Napa Valley, Napa County33 objects
- St. Helena area, Napa Valley, Napa County33 objects