Object Record

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Collection Speer Collection
Catalog Number 1999.0001.1313
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 oval in shape. The stone material is a granitic with muscovite and gold (weathered biotite) mica. It is coarse grained.

This grinding or milling stone's ventral side is slightly pecked, polished and stained. Its dorsal side is pecked and polished. Striations appearing on the surface suggest that this mano was used in an undulating or back and forth movement. The stone appears to be pecked on the grinding surfaces; pecking increases the grinding surface for greater traction.

Dimensions:
Length - 5.00", Width - 4.055", Height - 1.692", Weight - 2.160 lbs.

Provenance This artifact was found within the local San Diego County region, collected 1910-1950.
Date Late Prehistoric (1300-800 YA)
Material Granitic
Culture Kumeyaay / DiegueƱo
Place of Origin San Diego County
Caption Mano, granitic: dorsal view, side A (pecked and polished usewear).