Object Record

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Collection Speer Collection
Catalog Number 1999.0001.1271
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 shaped by usewear. It is rectangular in shape. The stone material is granitic with biotite mica and some red weathering and outlined circular veins of gray inclusions. It is medium grained.

This grinding or milling stone ventral side is flat and polished with some red staining or weathering. The grinding stone dorsal side is humped and smooth in the center. Striations appearing on the surface suggest that this mano was used in an undulating or back and forth movement. There is usewear on one end. The stone appears to be unpecked; pecking increases the grinding surface for greater traction.

Dimensions:
Length - 5.39", Width - 3.15", Depth/Thickness - 2.0", Weight - 2.2 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: ventral view, side A (usewear polish, weathering/strain).
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