Page:Popular Science Monthly Volume 90.djvu/587

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Sculpture That Was Centuries in the Making

��At right: In the Bad Lands of South Dakota the soft clayey sandstone has been cut and carved by the elements into many fanciful shapes

���The Major Domo, a remnant of a bed of stratified rock which in the upheaval of the Rocky Mountains was actually turned on edge. Note the human figures to which the arrow points for height comparison

��The leaning pinnacle of the West Elk Mountains in Colorado. The surface is composed of a series of pinnacles like the teeth of a giant saw. It guards an impass- able ravine of ungaged depth

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��Sentinel Rock, at the mouth of Sentinel Creek in Glen Canyon, Utah. From one point of view the rock is said to resemble a woman

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