The Grand Canyon Expedition: The Exploration of the Colorado River and Its Canyons Ancient (To 499 A.D.) prototyping

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Editor s Note vii Preface ix Illustrated Plan of the Six Main Sections xvixvii How to Use This Book 1 Tree Silhouettes 19 PLATES 33 SPECIES ACCOUNTS 153 I

The Grand Canyon Expedition: The Exploration of the Colorado River and Its Canyons Ancient (To 499 A.D.) prototypingExplore one of the nation's greatest natural wonders and celebrate the 100th birthday of Grand Canyon National Park with this grand voyage. Join John Wesley Powell's expedition to explore one of the 7 Wonders of the Natural World, and one of the last unmapped portions of the continental United States. Powell's detailed descriptions of the rocks, plants, and animals seen in the canyon, the geography of the area, and his team's interactions with native