NAVAJO ARCH, viewed northeastward from a branch of Devils Garden trail. One of few arches having a flat soil-covered floor. Opening is 40½ feet wide. Photograph by National Park Service. (Fig. 54)
Beautiful Double O Arch ([fig. 56]) is at the end of the Devils Garden trail about 2½ miles northwest of the trailhead. About half a mile northwest of the trail’s end is a prominent landmark called Dark Angel ([fig. 57]), which is visible in [figure 12] and from the unimproved road in Salt Valley.
PARTITION ARCH, viewed southwestward from near Devils Garden trail. Arch frames part of south wall of Salt Valley and, on skyline, mesas south of Moab Valley. Opening is 27½ feet wide and 26 feet high. A smaller opening to the right measures 8½ feet wide and 8 feet high. Photograph by Dawn E. Reed. (Fig. 55)
DOUBLE O ARCH, viewed about north from northwest end of Devils Garden trail. Large opening is 71 feet wide and 45 feet high; small one at lower left is 21 feet wide and 11 feet high. Span of large opening is 11 feet wide and 6 feet thick. Arch frames a part of the Book Cliffs about 14 miles to the north. Photograph by Hildegard Hamilton, Flagstaff, Ariz. (Fig. 56)
DARK ANGEL, a shaft of the Slick Rock Member that is an erosional remnant of a once high, narrow fin. About one-half mile northwest of Double O Arch. Photograph by National Park Service. (Fig. 57)
