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the problem of the lower colorado river

by c e carl ewald grunsky

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Author: c e carl ewald grunsky

Science » Nature & Ecology » Water Supply & Land Use

Added by: R. Myers

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...VALLEYS* ter the Colorado River emerges from its canons in it is closely confined by the cliffs which rise from its d to great heights, it flows through a succession of valleys encompassed by low ranges of mountains and hills and separated one from the other by the relatively narrow gorges at the points where these mountains approach or extend to the river from opposite sides. It may be noted in passing that these gorres are the sites that first attract attention as possibly favorable locations for dams. I. Iany of them have been examined h a view to ascertaining the depth to bed rock but in no case, with, borings to 100 ft. In depth, has bed-rock been foun< continuous from bank to bank. The lower river valleys begin a short distance above ore than 400 miles from the river's mouth and may be id to terminate with the Yuma Valley which lies east of the river below the mesa at . The Yuma Valley is practically 51 w I o i -2- also a part of the delta cone of the river. This delta cone...

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