Stock photography, photos: Colorado River Canyon Stock photos of The Colorado River flows through a canyon between sandstone cliffs. Near Dewey, Utah. 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, dewey, Utah, UT, north america, plants, scenics, river, canyon, sandstone, rock, rocks, colorado river, fall color, autumn, fall