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CANYON (Anglicized form of Span. cano...

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Originally appearing in Volume V05, Page 224 of the 1911 Encyclopedia Britannica.
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CANYON (Anglicized See also:form of Span. See also:canon, a See also:tube, See also:pipe or See also:cannon; the See also:Spanish form being also frequently written)  , a type of valley with huge precipitous sides, such as the See also:Grand Canyons of the See also:Colorado and the Yellowstone See also:rivers, and the See also:gorge of the See also:Niagara See also:river below the falls, due to rapid stream erosion in a " See also:young " See also:land . A river saws its channel vertically down-wards, and a See also:swift stream erodes chiefly at the bottom . In See also:rainy regions the valleys thus formed are widened out by slope-See also:wash and the resultant valley-slopes are See also:gentle, but in arid regions there is very little See also:side-See also:extension of the valleys and the river cuts its way downwards, leaving almost See also:vertical cliffs above the stream . If the stream be swift as in the western See also:plateau of See also:North See also:America, the cutting See also:action will be rapid . The ideal conditions for developing a See also:canyon are: See also:great See also:altitude and slope causing swift streams, arid conditions with See also:absence of side-wash, and hard See also:rock horizontally bedded which will hold the walls up . A B C D .

End of Article: CANYON (Anglicized form of Span. canon, a tube, pipe or cannon; the Spanish form being also frequently written)
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WILLIAM CANYNGE CANYNGES (c. 1399-1474)
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