Download Canal Irrigation in Prehistoric Mexico: The Sequence of by William E. Doolittle PDF

By William E. Doolittle

Prehistoric farmers in Mexico invented irrigation, built it right into a technology, and used it greatly. certainly, some of the canal platforms nonetheless in use in Mexico this day have been initially started good prior to the invention of the recent global. during this complete research, William E. Doolittle synthesizes and widely analyzes all that's at the moment 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 earlier reports who've concerned about the political, monetary, and social implications of irrigation, Doolittle considers it in a developmental context. He examines almost the entire identified platforms, from small canals that diverted runoff from ephemeral mountain streams to complex networks that concerned quite a few huge canals to irrigate wide valley flooring with water from perennial rivers. through the dialogue, he supplies distinctive emphasis to the technological gildings that distinguish each one procedure from its predecessors. He additionally lines the unfold of canal know-how into and during assorted 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 know-how that has been attributed to the Spaniards was once truly constructed in Mexico by means of indigenous humans. those findings can be very important not just for archaeologists operating during this zone but in addition for geographers, historians, and engineers attracted to agriculture, know-how, and arid lands.

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