Vermilion Cliffs National Monument, AZ / Paria Canyon's Navajo Sandstone canyon walls with mud patterns indicating former river channel. 406V5

Vermilion Cliffs National Monument, AZ / Paria Canyon Navajo Sandstone canyon walls eroded and sculpted by Paria River floods. 406H5

Vermilion Cliffs National Monument, AZ / Paria Canyon's Slide Rock arch formed by giant Navajo Sandstone rock slide. 406V6