- California191 objects
- North America191 objects
- Northern California✖Remove constraint Collection place: Northern California191 objects
- The Americas191 objects
- United States191 objects
- North Central California135 objects
- Yolo County, California84 objects
- CA-Yol-13 (Mustang Mound), Yolo County, California83 objects
- Northeastern California54 objects
- Northern Sierras, Northern California32 objects
- Calaveras County, California25 objects
- Sacramento County, California21 objects
- San Joaquin County, California21 objects
- CA-Cal-83, Calaveras County, California18 objects
- CA-SJo-43, San Joaquin County, California11 objects
- Lassen County, California8 objects
- Siskiyou County, California8 objects
- Lower Klamath Lake Area, Siskiyou County, California7 objects
- Lower Klamath Lake, Siskiyou County, California7 objects
- Amador County, California6 objects