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River Maps Guide to The Colorado River in The Grand Canyon, Seventh Edition
River Maps
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River Maps Guide to the Colorado River in the Grand Canyon, Seventh Edition, by Tom Martin and Duwain Whitis, have teamed up to write an informative and accurate guide to the Canyon, with USGS topographical maps at original scale, campsite locations, scouting points and much more! . This version reflects the latest changes in a variable river corridor, particularly updated camps, along with the summer shade/winter su
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