- California17 objects
- North America17 objects
- Northern California✖Remove constraint Collection place: Northern California17 objects
- The Americas17 objects
- United States17 objects
- Northeastern California13 objects
- Lassen County, California3 objects
- North Central California3 objects
- Sacramento County, California3 objects
- Siskiyou County, California3 objects
- unknown archaeological site in Northeastern California3 objects
- CA-Sac-1, Sacramento County, California2 objects
- CA-Sis-7, Lava fields, Siskiyou County2 objects
- Canby's Cross, Lava fields, Siskiyou County2 objects
- Lava fields, Siskiyou County, California2 objects
- Modoc County, California2 objects
- 5 mi. S. of Truckee, on Lake Tahoe road, Placer County1 objects
- CA-DNo-11 (Point St. George site), Del Norte County, California1 objects
- CA-Las-21, Secret Valley, Lassen County1 objects
- CA-Las-46, Lassen County, California1 objects