questionedithistorytranslations

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added by globalquiz.org June 9, 2013, 10:40 p.m.
Which river flows through the Grand Canyon?
Rio Grande
Colorado
Snake
Sacramento
Colorado River established its course through the canyon at least 17 million years ago. Since then, it exposed about two billion years of the Earth's geological history.
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reach: rather globalcanyonsgeographygeography of North Americageography of the United StatesNorth Americariversrivers of North Americarivers of the United StatesUnited States

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+3 Very interesting!  globalquiz.org