Object Record

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Collection Speer Collection
Catalog Number 1999.0001.1183
Object Name Mano
'Iipay Aa Name hapiichaa
Description A whole hand-held grinding stone, also known as a mano in Southern California archaeology. This bifacial stone is used with one hand for grinding and was shaped in construction. It is ovoid in shape. The stone material is a volcanic with gold biotite mica. It is medium grained.

This grinding or milling stone ventral side is dark, ringed and dirty, and somewhat polished. The dorsal side is smooth and polished with a chip missing. Striations appearing on the surface suggest that this mano was used in an undulating or back and forth movement. Wear marks on all sides suggest heavy use and it is shouldered. The stone appears to be pecked on the ventral surface; pecking increases the grinding surface for greater traction.

Length - 4.803", Width - 3.858", Height - 1.653", Weight - 1.774 lbs

Provenance This artifact was found within the local San Diego County region, collected 1910-1950.
Date Late Prehistoric (1300-800 YA)
Material Volcanic Cobble
Culture Kumeyaay / DiegueƱo
Place of Origin San Diego County
Caption Mano, volcanic : ventral view, side A (working surface).