Courthouse Wash 2, 3, 18, 35, 63 Cove Arch 70 Cove of Caves 70 Crossbedding, Navajo Sandstone 63, 66, 70 Cutler Formation 32, 102 Cedar Mesa Sandstone Member 22 White Rim Sandstone Member 22 D Dark Angel 92 De Chelly Sandstone Member, Cutler Formation 102 Dead Horse Point 33 Dedication of the park 8 Delicate Arch 16, 25, 74, 75, 77 Delicate Arch area, number of arches 41 Density, average, Paradox Member 32 Deposition of rock materials, environments _20_ Desert varnish 10 Development of the arches _37_ Devils Garden 2, 5, 25, 79, _83_, 86 fins 42 number of arches 41 trail 88, 92 Dewey Bridge 52 Dewey Bridge Member 46, 63 Entrada Sandstone, composition 41 “hoodoos and goblins” 66 park road cutting 57 The Windows section 71 vertical arches 44 “Dewey Road” 16 Diapir 83 Differential erosion 42 Dinosaur National Monument 101, 102 Dissimilarity of Arches vs. Canyonlands 23, 24 Double Arch 2, 46, 72 Double O Arch 90, 92, 98 Drainage, Arches National Park 18 Dry Mesa 5, 56