Collection place
- California74 objects
- North America74 objects
- Northern California74 objects
- The Americas74 objects
- United States74 objects
- Northeastern California69 objects
- Siskiyou County, California69 objects
- Klamath River, Siskiyou County, California49 objects
- CA-Sis-155, Siskiyou County, California25 objects
- CA-Sis-152, Shasta River, Siskiyou County13 objects
- Shasta River, Siskiyou County, California13 objects
- CA-Sis-154, Willow Creek, Siskiyou County10 objects
- CA-Sis-159, Klamath River, Siskiyou County10 objects
- Willow Creek, Siskiyou County, California10 objects
- CA-Sis-163, Scott Valley, Siskiyou County7 objects
- Scott Valley, Siskiyou County, California7 objects
- CA-Yol-15 (Guinda site), Capay Valley, Yolo County5 objects
- Capay Valley, Yolo County, California5 objects
- Guinda, Capay Valley, Yolo County5 objects
- North Central California5 objects