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Kinder Morgan Pipeline

Guest Column: Energy pipeline would degrade wide-open spaces of Altar Valley

The Altar Valley west of Tucson is one of the few unfragmented desert grasslands left in Arizona. It stretches more than 600,000 acres, from the Sierrita Mountains to the Baboquivari Mountains, and comprises working ranches and the Buenos Aires National Wildlife Refuge.

April 10, 2013 12:00 amLoading…

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