O Oil 53, 100, 112 Old Spanish Trail 57, 108 Orange Cliffs _54_ Organ Rock Tongue of Cutler Formation 40 Overlooks, Anticline 31, 50 Canyonlands 48 Confluence 80 Dead Horse Point 30, 31 Grand View Point 40 Green River 43 Needles 42, 47 U-3 loop 49 P Paradox Basin 113 Paradox Member of Hermosa Formation 53, 79, 108, 113 Paul Bunyans Potty 67 Petrified Forest National Park 115 Petroglyphs 12, 97 Photography 3 Powell camera stations 5, 90, 93 Picnic sites 36, 46, 75 Pictographs 9, 12, 70 Pinto Arch 98 Porter, Elliot, quotation 87 Potash salts 53, 98, 113 Potholes 36, 65 Powell, John Wesley 4, 87 John Wesley, quotation 106 river expeditions 4, 87 Memorial Highway 8 Pueblo people 9 Q Quicksand 66