Exploration of the Colorado River and Its Canyons

What started as a scientific expedition through the last uncharted territory of the continental United States turned out to be a harrowing adventure for John Wesley Powell and nine other men who set out to explore the Colorado River in 1869. Their story, recounted from Powell's journals, is as excit [...]
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What started as a scientific expedition through the last uncharted territory of the continental United States turned out to be a harrowing adventure for John Wesley Powell and nine other men who set out to explore the Colorado River in 1869. Their story, recounted from Powell's journals, is as exciting today as it was when first published in 1874. Photos & line drawings.