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The Coconino Sandstone: Water, not Wind - Sep 29, 2023/article/coconino-sandstone-water-not-wind
John H. Whitmore, Ph.D. - Purpose The Coconino Sandstone is one of the most well-known formations in Grand Canyon. The blond-colored sandstone, just three layers down from the rim, forms a distinctive cliff that can be traced as far as the eye can see. It is noted...