FIGURE Page
52.—Index map showing location of Devils Tower National Monument 2
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 4
B.—Southwest corner of Devils Tower showing the columns flaring
out and merging to form the massive base 4
54.—Generalized section of the sedimentary rocks of the Devils
Tower National Monument 6
A CONTRIBUTION TO GENERAL GEOLOGY
GEOLOGY OF DEVILS TOWER NATIONAL MONUMENT, WYOMING