U Uinta Lake, 63 Unaweep Canyon, 72, _73_, 78, _80_ ancestral, 76 piracy, drawing, 75 view, _82_ Uncompahgre arch, 61, 72, 73, 77, 78 drawing, 75 Uncompahgre Complex, 8 Uncompahgre Highland, 26 Uncompahgre Plateau, 26, 28, 49, 77, 107 Unconformities, 26, 35, 54, 104 views, _37_, 41, 54 U.S. Highway 6, 85, 88 U.S. Highway 24, 85 U.S. Highway 50, 85, 88, 122 U.S. Interstate 70, 63, 85, 96 Utah Highway 128, 120 Ute Canyon, 2, 3, 40, 45, 80, 119 Fallen Rock, view, _81_ Liberty Cap, 108 Summerville Formation, 45 view, _110_ Ute Canyon Trail, 108, 109 Ute Canyon View, Lower, 109 Ute Canyon View, Upper, 109 Ute Indians, 5, 10 V Visitor Center, 5, 32, 40, 86, _102_ view, _106_ Volcanics, 18, 71