Collection place
- Western Desert, Egypt6 objects
- Mendocino County, California5 objects
- Northwestern California5 objects
- Bahariya Oasis, Western Desert, Egypt4 objects
- South Asia4 objects
- India3 objects
- Northwestern United States3 objects
- Arabian Peninsula2 objects
- Cameroon2 objects
- Central Africa2 objects
- Congo Basin, Africa2 objects
- Coyote Valley, Mendocino County, California2 objects
- Iran (Persia)2 objects
- Kuwait2 objects
- Levant, Western Asia2 objects
- Libya2 objects
- Needles area, San Bernardino County, California2 objects
- Needles, San Bernardino County, California2 objects
- Northern Nigeria2 objects
- Northwest Coast, United States2 objects