[Illustration: Geology of Canyonlands] [Illustration: LOOKING NORTH FROM EAST WALL OF DEVILS LANE, just south of the Silver Stairs. Needles are Cedar Mesa Sandstone. Junction Butte and Grand View Point lie across Colorado River in background.] [Illustration: The Geologic Story of Canyonlands NATIONAL PARK] _The Geologic Story of_ Canyonlands NATIONAL PARK By S. W. Lohman _Graphics by John R. Stacy_ GEOLOGICAL SURVEY BULLETIN 1327 UNITED STATES DEPARTMENT OF THE INTERIOR ROGERS C. B. MORTON, _Secretary_ GEOLOGICAL SURVEY V. E. McKelvey, _Director_ Library of Congress catalog-card No. 74-600043 [Illustration: U.S. DEPARTMENT OF THE INTERIOR · MARCH 3, 1849] U.S. GOVERNMENT PRINTING OFFICE: 1974 For sale by the Superintendent of Documents, U.S. Government Printing Office Washington, D.C. 20402—Price $2.65 (paper covers) Stock Number 2401-02498 Contents Page A new park is born 1 Major Powell’s river expeditions 4 Early history 9 Prehistoric people 9 Late arrivals 14 Geographic setting 17 Rocks and landforms 20 How to see the park 26 The high mesas 27 Island in the Sky 27 Dead Horse Point State Park 30 North entrance 34 Shafer and White Rim Trails 34 Grand View Point 36 Green River Overlook 43 Upheaval Dome 43 Hatch Point 46 Needles Overlook 47 Canyonlands Overlook 48 U-3 Loop 49 Anticline Overlook 50