Wednesday, February 27, 2013
"Without the gradual uplift of the landscape[,]
rivers cannot cut down into it.
[...] Uplift or elevation of the
land is necessary to carve canyons and without it there would be no Grand
Canyon.” —from Wayne
Ranney in Carving Grand Canyon:
Evidence, Theories, and Mystery,Grand Canyon Association, 2005, pp.42-43
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