Dellenbaugh, Frederick

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A Canyon Voyage
The Story of John Wesley Powell and the Charting of the Grand Canyon
By Frederick S. Dellenbaugh
(Skyhorse Publishing)
In 1871, seventeen-year-old Frederick Dellenbaugh began a great adventure when he joined Major John Wesley Powell and a crew of scientists on Powell's second exploration trip down the Colorado River and into the Grand Canyon. These were the last great stretches of land and river still unknown in the... [READ MORE]
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