Object Record

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Collection Speer Collection
Catalog Number 1999.0001.1370
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/unshaped but shouldered in construction. It is rectangular in shape. This stone is fire-affected. The stone material is granodiorite with feldspar, hornblende, and quartz. It is coarse-grained.

This grinding or milling stone ventral side is smooth. This grinding stone dorsal side is pecked with some staining. Striations appearing on the surface suggest that this mano was used in an undulating or back and forth movement.

Length - 4.015", Width - 3.385", Height - 1.850", Weight - 1.761 lbs.

Provenance This artifact was found within the local San Diego County region, collected 1910-1950.
Date Late Prehistoric (1300-800 YA)
Material Granodiorite
Culture Kumeyaay / DiegueƱo
Place of Origin CA
Caption Dorsal view