METATES, MANOS, &
STATE OF CHIHUAHUA
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31, 2014 PETER A. BOSTROM
This picture was taken in
1973 on the ancient site of Casa Grandes in northwestern Mexico. The
artifacts appear to be either metates, manos, pestles, and mortars.
Most of these tools were used to process food by crushing and grinding.
The Casa Grandes site is one of the largest and most complex
sites in the region. The earliest settlement dates to about 1130.
The site then developed into multistoried dwellings by about 1350 and was
abandoned by 1450.