Collection place
- North America335 objects
- The Americas335 objects
- United States273 objects
- California158 objects
- Northern California121 objects
- Southwestern United States72 objects
- Northwestern California69 objects
- Mendocino County, California49 objects
- North Central California43 objects
- Northwestern United States38 objects
- Round Valley, Mendocino County, California33 objects
- Great Plains, North America29 objects
- Arizona27 objects
- Alaska24 objects
- Mexico22 objects
- Northern Mexico21 objects
- Northwest Mexico21 objects
- Sonora, Mexico21 objects
- Lake County, California20 objects
- New Mexico20 objects