Image Basalt pile in Grand Canyon Read more Image Bouse marl at Silver Creek Read more Image Bright Angel Creek confluence with Colorado River, Grand Canyon Read more Image Canyon of the Colorado River 1873 Read more Image Carbon Creek geology from Chuar Butte, Grand Canyon Read more Image Colorado River Basin - quenching the thirst of 30 million people Read more Image Cross beds in the Bouse Formation, Cibola Quadrangle, western Arizona Read more Image Examining the Bouse Formation of western Arizona Read more Image Geologic map of Grand Canyon, Arizona Read more Image Geologic Map of the Mount Trumbull area Read more Image Gold-bearing conglomerate from the Gila Mountains Read more Image Inception of the Modern Colorado River Read more Image John Wesley Powell explores Grand Canyon Read more Image Massive conglomerate overlying Bouse Formation, Cibola, Arizona Read more Image Onlap & off-lap sequence in Pliocene Bouse Formation Read more Image Pleistocene Colorado River gravel-floodplain deposits Read more Image Rainbow over Plateau Point, Grand Canyon, Arizona Read more Image Satellite image of Lake Mead & environs - 2010 Read more Image Sequence stratigraphy for the Bouse and Bullhead Formations Read more Image Taming the Colorado River in the 20th century Read more Image Tufa of the Pliocene Bouse Formation Read more Image Vulcan's Forge, Grand Canyon Read more
