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Olivella Shells
Shell
Circa: Prehistoric Period 10,000 B.C. – AD 1850
L 2cm, W 1cm
Lake Mead National Recreation Area, LAKE 3302
Olivella shells were popular among the Ancestral Pueblo people to make beads for jewelry.
References:
Maxwell Museum of Anthropology, University of New Mexico
http://www.unm.edu/~maxwell/technical_series/Tech%20Series%2015%20rev%20Nov%202011.pdf