By William E. Doolittle
Prehistoric farmers in Mexico invented irrigation, constructed it right into a technology, and used it largely. certainly, some of the canal structures nonetheless in use in Mexico at the present time have been initially all started good earlier than the invention of the hot global. during this entire examine, William E. Doolittle synthesizes and widely analyzes all that's presently identified concerning the improvement and use of irrigation know-how in prehistoric Mexico from approximately 1200 B.C. till the Spanish conquest within the 16th century A.D.
Unlike authors of prior experiences who've all for the political, fiscal, and social implications of irrigation, Doolittle considers it in a developmental context. He examines almost the entire identified structures, from small canals that diverted runoff from ephemeral mountain streams to tricky networks that concerned quite a few huge canals to irrigate large valley flooring with water from perennial rivers. during the dialogue, he offers distinctive emphasis to the technological embellishments that distinguish each one method from its predecessors. He additionally lines the unfold of canal know-how into and during varied ecological settings.
This learn considerably clarifies the connection among irrigation know-how in Mexico and the yank Southwest and argues persuasively that a lot of the expertise that has been attributed to the Spaniards was once truly built in Mexico by way of indigenous humans. those findings should be vital not just for archaeologists operating during this region but additionally for geographers, historians, and engineers attracted to agriculture, expertise, and arid lands.
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Canal Irrigation in Prehistoric Mexico: The Sequence of Technological Change by William E. Doolittle