Down the great unknown: John Wesley Powell's 1869 journey of discovery and tragedy through the Grand Canyon
Description
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Subjects
Subjects
Colorado River (Colo.-Mexico) -- Discovery and exploration
Description and travel
Discovery and exploration
Explorers
Explorers -- United States -- Biography
Grand Canyon (Ariz.) -- Description and travel
Grand Canyon (Ariz.) -- Discovery and exploration
History
Powell, John Wesley
Powell, John Wesley, 1834-1902 -- Travel -- Arizona -- Grand Canyon
Science & Technology
Travel
Description and travel
Discovery and exploration
Explorers
Explorers -- United States -- Biography
Grand Canyon (Ariz.) -- Description and travel
Grand Canyon (Ariz.) -- Discovery and exploration
History
Powell, John Wesley
Powell, John Wesley, 1834-1902 -- Travel -- Arizona -- Grand Canyon
Science & Technology
Travel
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