Page:Popular Science Monthly Volume 85.djvu/72

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THE POPULAR SCIENCE MONTHLY

PSM V85 D072 Looking up from yosemite valley.png

Looking Up Yosemite Valley from Artist's Point. El Capitan on the left is a monument to the resistance of massive granite to erosion. Cathedral Rocks, above Briadal Veil Falls, on the right, show the weathering of fissured zones.