- California20 objects
- North America20 objects
- Northern California✖Remove constraint Collection place: Northern California20 objects
- The Americas20 objects
- United States20 objects
- North Central California15 objects
- San Joaquin County, California13 objects
- CA-SJo-42, San Joaquin County, California10 objects
- Northeastern California5 objects
- CA-SJo-87, San Joaquin County, California3 objects
- CA-Sha-52, Shasta County, California3 objects
- Fall River Valley, Shasta County, California3 objects
- Shasta County, California3 objects
- CA-Mod-27, Modoc County, California1 objects
- CA-Sac-66 (Morse Mound), Sacramento County, California1 objects
- CA-Sis-108, Gillem Bluff, Tule Lake1 objects
- CA-Yol-13 (Mustang Mound), Yolo County, California1 objects
- Gillem Bluff, Siskiyou County, California1 objects
- Modoc County, California1 objects
- Sacramento County, California1 objects