Gone with the Flow: Ancient Andes canals irrigated farmland | Science News

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Gone with the Flow: Ancient Andes canals irrigated farmland

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10:19am, November 9, 2005

Archaeologists working in a valley on the western slopes of Peru's Andes mountains have discovered the earliest known irrigation canals in South America, a find that illuminates the origins of large-scale agriculture in the New World.

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