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1
In the footsteps of John Wesley Powell : an album of comparative photographs of the Green and Colorado rivers, 1871-72 and 1968 /
Published 1987Subjects: “…John Wesley, 1834-1902 Travel Colorado River (Colo.-Mexico) Pictorial works.…”
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2
The exploration of the Colorado River and its canyons /
Published 2003Subjects: “…John Wesley, 1834-1902 Travel Colorado River (Colo.-Mexico)…”
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3
The promise of the Grand Canyon : John Wesley Powell's perilous journey and his vision for the American West /
Published 2018Subjects:Book -
4
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5
Essays on the history of North American discovery and exploration /
Published 1988“…America Description and travel.…”
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6