Object Record

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Collection Speer Collection
Catalog Number 1999.0001.1339
Object Name Mano
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 rectangular in shape and reddish brown in color. The stone material is sandstone with quartz and is subrounded. It is medium to course grained.

This grinding or milling stone's ventral and dorsal sides are smooth. Striations appearing on the surface suggest that this mano was used in an undulating or back and forth movement. Construction of the stone created a smooth surface on both sides. The edges of the mano are rougher and porous.

Length - 3.929", Width - 3.382", Depth/Thickness - 1.781", Weight - 1.229 lbs.
Provenance Found within the local San Diego County region, collected 1910-1950.
Date LP
Material Sandstone/Quartz
Culture Kumeyaay / DiegueƱo
Place of Origin San Diego County
Caption Dorsal view