- California✖Remove constraint Collection place: California1,064 objects
- North America1,064 objects
- The Americas1,064 objects
- United States1,064 objects
- San Francisco Bay Area, California644 objects
- CA-SMa-151 (Phleger Mound), Princeton, San Mateo County385 objects
- Half Moon Bay, San Mateo County, California385 objects
- Princeton, San Mateo County, California385 objects
- San Mateo County, California385 objects
- Northern California350 objects
- Northeastern California300 objects
- CA-Las-194, Surprise Valley, Lassen County278 objects
- Lassen County, California278 objects
- Surprise Valley, Lassen County, California278 objects
- Napa County, California197 objects
- Napa Valley, Napa County, California133 objects
- Middle Napa Valley, Napa County, California127 objects
- CA-Nap-32, Napa Valley, Napa County75 objects
- Rutherford area, Napa Valley, Napa County75 objects
- Berryessa Valley, Napa County, California62 objects