| Powell lake , USA |
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| Thursday, 16 December 2010 | |
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In the 50s years of XX century the decision of the U.S. Congress was created Lake Powell, the second largest (volume 30 km ³) in the U.S.. Construction of the dam height of 180 m in the valley of the Colorado River led to the formation of the basin was named researcher John Powell - a veteran of the Civil War, which at one time was engaged in research of this area.
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| Last Updated ( Thursday, 16 December 2010 ) |
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