A Maya Dam in the Copan Valley, Honduras

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Abstract
A prehispanic Maya dam is reported in the Copan Valley of Honduras. The dam is situated in the foothills above the river bottom at the headwaters of a small tributary, the Quebrada Petapilla. Constructed of cut stone and mortar, the dam was built immediately downstream from a spring and once created a small, flowing pond. The function of the dam is uncertain, although the creation of a greater head of water for the irrigation of the quality farmlands in the foothill zone is a possibility. The dam probably dates no later than the Late Classic period [A.D. 650-800].