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Archaeologists find canal remnants in Tucson

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  • robert-blau@webtv.net
    Archaeologists find canal remnants in Tucson The San Francisco Chronicle, May 31, 2009 Archaeologists preparing for the expansion of a Tucson wastewater
    Message 1 of 1 , Jun 4, 2009
      Archaeologists find canal remnants in Tucson
      The San Francisco Chronicle, May 31, 2009

      Archaeologists preparing for the expansion of a Tucson wastewater
      treatment facility have discovered the remains of the earliest known
      irrigation system in the Southwest, a farming community that dates to at
      least 1200 B.C. That predates the much more sophisticated Hohokam
      Indians' canal system, which crisscrossed what is now Phoenix, by 1,200
      years. The find suggests that the people who inhabited the region began
      with relatively simple irrigation systems and built up to more complex
      projects as the climate became hotter and drier. "These ... canals ...
      are the most extensive and sophisticated engineering (from the period)
      that we have identified to date," said archaeologist James Vint of
      Desert Archaeology Inc. in Tucson. The site, called Las Capas, or The
      Layers, sits at the confluence of the Canada del Oro, Rillito Creek and
      Santa Cruz River. Vint led a team of 30 archaeologists who explored the
      site in compliance with state laws before a planned expansion of the Ina
      Road facility. Vint estimated that the village at the site supported 80
      to 150 people. Their cultural identity is unknown, although they
      probably originated in Mexico and moved north and south across what is
      now the U.S. border. Pottery was not yet being produced in the region,
      but Vint's team found stone tools, cutting tools, grinding stones,
      antler tools for making stone tools, and awls for basketry.

      http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2009/05/30/MN6G17PPN9.DTL
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