Stock photography, photos: Fall Color at Cottonwood Wash Stock photos of Orange cottonwood leaves drape in the foreground with a sandstone wall in the distance. Photograph: © Matthew Thalman Click for a larger image and more information Keywords associated with this stock photo: USA, United States of America, America, United States, US, arches np, arches national park, Utah, UT, north america, National Park, National Parks, NP, park, parks, plants, scenics, sandstone, rock, rocks, cottonwood, Willow, Salicaceae, deciduous, tree, trees, wood, plant, fall color, autumn, fall