P Pacific Northwest Pipeline 15 Painted Desert 102 Panorama Point 73 Parade of Elephants 72 Paradox basin 23 Paradox Member, Hermosa Formation 23, 25, 29, 30, 82, 99 Hermosa Formation, average density 32 upward intrusion 34 Park, a trip through _52_ dedication 8 how to see _50_ improvements 4 Park Avenue, trail 63 Park Service. _See_ National Park Service. Partition Arch 90 Petrified dunes 63, 66 Petrified Forest National Park 102 Petroglyphs, Ute 10, 75 Pictographs, Fremont people 10 Pine Tree Arch 90 Piñon pines 86 Pipeline scars, Pacific Northwest Pipeline 15 Plateau, uplift and erosion _33_ Potash occurrence 15 Pothole Arch 50, 73 Pothole arches 44 Powell, John Wesley, Canyonlands National Park 15 Professor Valley 56