Ann Zwinger
1) Downcanyon
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Describes the river, including ruins, small wildlife, and the experiences of early travelers
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"The Grand Canyon's isolation, great elevational range, and position at the convergence of three North American deserts-the Mojave, Sonoran, and the Great Basin-have created unique habitats for an unusual assemblage of plants. Some grow at seeps and springs, others emerge from cracks in the bedrock, and still others inhabit sandbars within reach of the Colorado's River's scouring currents. River and Desert Plants of the Grand Canyon, the first comprehensive...
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Your personal tour of the Grand Canyon by the folks who know it best! Geology and biology, Indians and explorers, rafting and hiking—it's all here in this one handy guide written by five people whose years of hiking, river running, studying, and simply contemplating the Canyon have given them an intimate knowledge of its wonders that few others can match.ContentsForeword, by Ann H. Zwinger1. The Geologic Record, by Stanley S. Beus2. The Living Canyon,...