The Exploration of the Colorado River and Its Canyons, Paperback/J. W. Powell - Dover Publications

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The time is 1 p.m., May 24, 1869.
No man has ever descended the Colorado River -- some 1,000 miles cut through.
Their assignment: to fill in the last white space on the map, to explore the last great unmapped and unknown part of the continental United States.
Geological Survey) and nine geologists, geographers, scouts, and adventurers.
S.
Powell, one-armed Civil War veteran, later head of the U.
The personnel are ten: Major John W.
The place: the Green River portage, in present-day Wyoming.
The time is 1 p.m., May 24, 1869