- California150 objects
- North America150 objects
- Northern California✖Remove constraint Collection place: Northern California150 objects
- The Americas150 objects
- United States150 objects
- North Central California69 objects
- Northeastern California63 objects
- Lake County, California32 objects
- CA-Lak-30, Lake County, California25 objects
- Siskiyou County, California21 objects
- Modoc County, California19 objects
- Northwestern California18 objects
- San Joaquin County, California18 objects
- Surprise Valley, Modoc County, California18 objects
- CA-SJo-68, San Joaquin County, California17 objects
- Lassen County, California17 objects
- Mendocino County, California17 objects
- Lower Klamath Lake Area, Siskiyou County, California15 objects
- Lower Klamath Lake, Siskiyou County, California15 objects
- CA-Mod-197, Modoc County, California14 objects