The diary of John Wesley Powell, conquering the Grand Canyon
by Powell, John Wesley

(#14998K0)

Hardcover (library binding)
Benchmark Books, 2001

The exploration of the Colorado River and its canyons
by Powell, John Wesley

(#39598D1)

Paperback
Penguin Books, 2003

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The Grand Canyon expedition : the exploration of the Colorado River and its canyons (Wilderness (Gibbs Smith))
by Powell, John Wesley

(#1773HC5)

Hardcover
Gibbs Smith, 2019

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