Açıklama
John Wesley Powell was a pioneer American explorer, ethnologist, and geologist in the 19th Century. In 1869 he set out to explore the Colorado and the Grand Canyon. He gathered nine men, four boats and food for ten months and set out from Green River, Wyoming, on May 24. Passing through dangerous rapids, the group passed down the Green River to its confluence with the Colorado River (then also known as the Grand River upriver from the junction), near present-day Moab, Utah.The expedition's route traveled through the Utah canyons of the Colorado River, which Powell described in his published diary as having …wonderful features—carved walls, royal arches, glens, alcove gulches, mounds and monuments. From which of these features shall we select a name? We decide to call it Glen Canyon. (Ironically, now almost completely submerged by Lake Powell, behind the Glen Canyon Dam.)One man (Goodman) quit after the first month and another three (Dunn and the Howland brothers) left at Separation Rap
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