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unusual facts about The Exploration of the Colorado River and Its Canyons


Powell Geographic Expedition of 1869

In 1875, Powell published a classic account of the expedition (combined with elements from later expeditions in 1871-72) called Report on the Exploration of the Colorado River of the West and Its Tributaries, re-issued and revised in 1895 as The Exploration of the Colorado River and Its Canyons.



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