ILLUSTRATIONS
Charles Sherwood Robinson
FIGURE
Page
52.—Index map showing location of Devils Tower National Monument
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53.A.—Northwest side of Devils Tower showing how the columns taper or converge and in places unite near the top and are cut by numerous cross-fractures
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B.—Southwest
corner of Devils Tower showing the columns flaring out and merging to form the massive base
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54.—Generalized section of the sedimentary rocks of the Devils Tower National Monument
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A CONTRIBUTION TO GENERAL GEOLOGY
GEOLOGY OF DEVILS TOWER NATIONAL MONUMENT, WYOMING
By
Charles S. Robinson
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