Object Record

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Collection Speer Collection
Catalog Number 1999.0001.1364
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 shouldered by usewear. It is rectangular in shape. The stone material is a sandstone. It is fine grained.

This grinding or milling stone's ventral side is flattened and smooth. Its dorsal side is rounded, saddle-backed and smooth. Striations appearing on the surface suggest that this mano was used in an undulating or back and forth movement but unclear and may be rotary. No use appears on the perimeter sides. The stone appears to be unpecked; pecking increases the grinding surface for greater traction.

Dimensions:
Length - 4.409", Width - 3.622", Height - 1.456", Weight - 1.394 lbs.


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