- California151 objects
- North America151 objects
- Northeastern California151 objects
- Northern California151 objects
- Siskiyou County, California✖Remove constraint Collection place: Siskiyou County, California151 objects
- The Americas151 objects
- United States151 objects
- Lava fields, Siskiyou County, California47 objects
- Lower Klamath Lake Area, Siskiyou County, California43 objects
- Lower Klamath Lake, Siskiyou County, California43 objects
- CA-Sis-223, Lower Klamath Lake, Siskiyou County32 objects
- Tule Lake, Siskiyou County, California26 objects
- Gillem Bluff, Siskiyou County, California16 objects
- CA-Sis-108, Gillem Bluff, Tule Lake12 objects
- Bat Butte area, Lava fields, Siskiyou County8 objects
- Caldwell Butte area, Lava fields, Siskiyou County7 objects
- Scott Valley, Siskiyou County, California7 objects
- CA-Sis-239, Lower Klamath Lake, Siskiyou County5 objects
- CA-Sis-163, Scott Valley, Siskiyou County4 objects
- Southern Lower Klamath Lake, Siskiyou County, California4 objects