The promise of the Grand Canyon John Wesley Powell's perilous journey and his vision for the American West von Ross, John F. 1958-

River master John Wesley Powell's legendary exploration of the Colorado River and Grand Canyon von Kuhne, Cecil C. III 1952-

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The exploration of the Colorado River and the high plateaus of Utah by the second Powell expedition of 1871-1872

Down the great unknown John Wesley Powell's 1869 journey of discovery and tragedy through the Grand Canyon von Dolnick, Edward

The exploration of the Colorado River in 1869 and 1871-1872 biographical sketches and original documents of the first Powell expedition of 1869 and the second Powell expedition of...

Down the great unknown John Wesley Powell's 1869 journey of discovery and tragedy through the Grand Canyon von Dolnick, Edward

The Powell Expedition new discoveries about John Wesley Powell's 1869 river journey von Lago, Don 1956-

Inhaltsverzeichnis

The promise of the Grand Canyon John Wesley Powell's perilous journey and his vision for the American West von Ross, John F. 1958-

Inhaltsverzeichnis

A river running west the life of John Wesley Powell von Worster, Donald 1941-