Collection place
- Southwestern United States8 objects
- Utah8 objects
- Middle East7 objects
- Northern California7 objects
- Western Asia7 objects
- Western Desert, Egypt6 objects
- Mendocino County, California5 objects
- Northwestern California5 objects
- Bahariya Oasis, Western Desert, Egypt4 objects
- South Asia4 objects
- India3 objects
- Levant, Western Asia3 objects
- Nevada3 objects
- Northwestern United States3 objects
- Palestine3 objects
- Arabian Peninsula2 objects
- Cameroon2 objects
- Central Africa2 objects
- Churchill County, Nevada2 objects
- Congo Basin, Africa2 objects