Collection place
- California20 objects
- North America20 objects
- The Americas20 objects
- United States20 objects
- Northeastern California16 objects
- Northern California16 objects
- Siskiyou County, California8 objects
- Modoc County, California7 objects
- Tule Lake, Siskiyou County, California6 objects
- Canby Bay, Tule Lake, Siskiyou County4 objects
- San Francisco Bay Area, California4 objects
- Berryessa Valley, Napa County, California2 objects
- CA-Mod-25, Modoc County, California2 objects
- CA-Mod-42, Modoc County, California2 objects
- CA-Mod-44, Modoc County, California2 objects
- CA-Mrn-115, Marin County, California2 objects
- CA-Nap-93, Berryessa Valley, Napa County2 objects
- CA-Sis-106, Tule Lake, Siskiyou County2 objects
- CA-Sis-123, Canby Bay, Tule Lake2 objects
- Lava fields, Siskiyou County, California2 objects