Ariz. canals whet appetite for ancient history

[Judi Lynn]

Ariz. canals whet appetite for ancient history
Dennis Wagner, USA TODAY2a.m. EST February 24, 2013

Engineer and writer Don Lancaster noticed the network of contours snaking along mesas and hillsides while trekking through the Arizona desert. Could they be ancient "hanging canals?"

PHOENIX -- Two things you might not expect to find if you visit the foothills of Mount Graham in eastern Arizona:

1) An elaborate network of "hanging canals" likely built nearly a thousand years ago on steep mesas by long-forgotten ancients.

2) An endearingly eccentric electrical engineer and author who, long before he started trying to solve the archaeological mystery, helped pioneer the world of personal computers.

Nevertheless, on a sunny morning, Don Lancaster wrestles his four-wheel-drive SUV over ruts and boulders into the bajada above the Gila River Valley.

More:
http://www.usatoday.com/story/news/nation/2013/02/24/hanging-canals-whet-appetite-for-ancient-history/1941797/

[Apophis]

1. Seems as though it were the descendants of the Chaco Canyon

Phenomenon who built them. The Chaco Canyon people build extensive irrigation canals and canals to collect and to distribute rainwater.