Date: 2012-01-14 05:50:30Western United States Geography of Arizona Arizona Grand Canyon Colorado River Colorado Plateau Harvey Butchart Havasupai John Wesley Powell South Canyon Trail | | “THE SIGNIFICANCE OF THE GRAND CANYON IN AMERICAN HISTORY” Grand Canyon River Guides Training Seminar — Spring 2009 Paul Hirt, Department of History Yolonda Youngs, School of Geographical Sciences Arizona State UniAdd to Reading ListSource URL: www.gcrg.orgDownload Document from Source Website File Size: 85,88 KBShare Document on Facebook
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