- California386 objects
- North America386 objects
- Northern California✖Remove constraint Collection place: Northern California386 objects
- The Americas386 objects
- United States386 objects
- North Central California227 objects
- Sacramento County, California200 objects
- Northwestern California132 objects
- Mendocino County, California131 objects
- Round Valley, Mendocino County, California49 objects
- CA-Sac-16 (Bennet Mound), Sacramento County, California40 objects
- CA-Sac-86 (Nicolaus #3), Sacramento County, California35 objects
- Williams Valley, Mendocino County, California34 objects
- Sacramento, Sacramento County, California28 objects
- CA-Men-145, Round Valley, Mendocino County27 objects
- Northeastern California27 objects
- CA-Sac-107 (Windmiller Mound), Sacramento County, California24 objects
- CA-Sac-21 (Hollister Mound), Sacramento County, California21 objects
- CA-Sac-29 (King Brown Mound), Sacramento, Sacramento County21 objects
- Lassen County, California19 objects