Grand Canyon & Colorado River

Snowy South Rim, Grand Canyon, Arizona

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Grand Canyon view from between Mohave and Hopi Points, Grand Canyon, Arizona

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Colorado River in the Grand Canyon from south rim, Grand Canyon, Arizona

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Colorado River in Grand Canyon from Mohave Point, south rim, Grand Canyon, Arizona

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Marble Canyon Gorge, Colorado River, northern Arizona, Aerial

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Entrenched meander of the Colorado River, Marble Canyon, Arizona, Aerial

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Lake Powell near Page, Arizona, aerial

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Sunset from Sublime Point, North Rim, Grand Canyon, Arizona

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Sunset from Sublime Point, North Rim, Grand Canyon, Arizona

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Rafting Marble Canyon, Colorado River, Arizona

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Reflection in Colorado River, Marble Canyon, northern Arizona

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Grand Canyon from Point Imperial, North Rim, Arizona]

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Grand Canyon Snow Storm, Mohave Point, South Rim, northern Arizona

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Grand Canyon Snow Storm, Mohave Point, South Rim, northern Arizona

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Grand Canyon, north rim view, Arizona

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Grand Canyon from Walhalla View on Cape Royal, North Rim, Arizona

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Sacred Datura, Colorado River in Grand Canyon, Arizona

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Cottonwood tree in Tapeats Creek, North Rim, Grand Canyon, Arizona

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Red Apsen Tree, North Rim, Grand Canyon, Arizona.

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Storm over Grand Canyon from South Rim Trail near El Tovar, Arizona

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Hoover Dam & Lake Mead, Arizona, aerial

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Water skiing on Lake Powell, Glen Canyon NRA, Arizona

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Sunrise reflection in West Canyon, Lake Powell, Glen Canyon NRA, Arizona

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Bouldery bottom to Oak Canyon, Glen Canyon NRA, Arizona

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Forbidden Canyon, Glen Canyon, southern Utah, aerial

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Rainbow Bridge, Glen Canyon, AZ

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La Gorce Arch, Lake Powell, southern Utah

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Dominguez Butte, Lake Powell, northern Arizona, aerial

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West Canyon, Lake Powell, southern Utah

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West Canyon, Lake Powell, southern Utah, aerial

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Antelope Island, Lake Powell, Arizona, aerial

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Navajo Power Plant, Page, AZ

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Navajo Power Plant, Page, AZ

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Navajo Power Plant & Lake Powell, AZ

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Glen Canyon Dam, Page, AZ

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Colorado River at Lee's Ferry & Paria Canyon, AZ, aerial

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Navajo Bridge over Marble Canyon, AZ, aerial

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Navajo Bridge over Marble Canyon, AZ, aerial

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Marble Canyon at Salt Water Wash, AZ, aerial

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Badger Rapids, Colorado River, Marble Canyon, AZ, aerial

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Marble Canyon & Platform, northern Arizona

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Rafting Colorado River, Marble Canyon, AZ

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Marble Canyon from Buck Farm View, AZ

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Rainbow Plateau, Lake Powell, southern Utah, aerial

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Eastern Grand Canyon, AZ, aerial

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Unkar Group, Eastern Grand Canyon, AZ

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South Rim from Cape Royal, Grand Canyon, AZ

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Hikers on trail to Hilltop Ruin, Eastern Grand Canyon, AZ

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Angular Unconformity, Grand Canyon, AZ

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Hiker at Hance Rapids, eastern Grand Canyon, AZ

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Diabase dike cuts Hakati Shale, Hance Rapids, eastern Grand Canyon, AZ

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Fossil mud cracks in Hakati Shale, Red Canyon, eastern Grand Canyon, AZ

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Fossil mud cracks, Unkar Group, Shinumo Creek, Grand Canyon, AZ

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Angular unconformity, eastern Grand Canyon, AZ

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Fog shrouds the South Rim, Grand Canyon, AZ

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Kaibab Trail view, South Rim, Grand Canyon, AZ

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The Great Unconformity, Inner Gorge, Grand Canyon, AZ

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Felsic dikes cut Vishnu Schist, Grand Canyon, AZ

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Colorado River in Redwall section of Marble Canyon, AZ, aerial

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Colorado River in Marble Canyon just north of Kaibab Upwarp, AZ, aerial

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Rafting the Colorado River, Grand Canyon, AZ

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North Canyon, Marble Canyon, AZ

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Sase Nasket Mesa, Marble Canyon, AZ, aerial

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Marble Canyon at Tatahatso Point, AZ, aerial

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Hiker on Tapeats section of Bright Angel Trail, Grand Canyon, AZ

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Mather Point, South Rim, Grand Canyon, AZ

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Plateau Point, Grand Canyon, AZ

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Cambrian Age burrows, Tapeats Sandstone Plateau Point, Grand Canyon, AZ

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Bioturbation in Cambrian Age Bright Angel Shale, Grand Canyon, AZ

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Cruziana trace fossil, Bright Angel Shale, Grand Canyon, AZ

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Flat topped ripple marks, Cambrian Age Tapeats Sandstone, Grand Canyon, AZ

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Meekella brachiopod in Permain Age Kaibab Limestone, Grand Canyon, AZ

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Productidae brachiopod in Permain Age Kaibab Limestone, Grand Canyon, AZ

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Fossil sponge in Permain Age Kaibab Limestone, Grand Canyon, AZ

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Branched coral in Permain Age Kaibab Limestone, Grand Canyon, AZ

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Great Unconformity, Hermit Creek, Grand Canyon, AZ

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Nonconformity: hill of Vishnu covered by Tapeats Sandstone, Grand Canyon, AZ

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Wotan's Throne, North Rim, Grand Canyon, AZ

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Hopi Point view, South Rim, Grand Canyon, AZ

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Thunder River Spring, Tapeats Creek, Grand Canyon, AZ

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Travertine terrace & pool in Havasu Canyon, Grand Canyon, AZ

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Toroweap Point view, western Grand Canyon, AZ

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Lava Falls Rapids from Toroweap Point, western Grand Canyon, AZ

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Esplanada Lava Cascade, Unikaret Plateau, western Grand Canyon, AZ, aerial

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Esplanada Lava Cascade, Unikaret Plateau, western Grand Canyon, AZ, aerial

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Columnar basalt, Whitmore Wash, western Grand Canyon, AZ

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Lightning strikes rim of Grand Canyon, AZ

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Sunset from Point Sublime, North Rim, Grand Canyon, AZ

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Antelope Canyon enters Lake Powell, Arizona, aerial

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Lake Powell, Glen Canyon, northern Arizona, aerial

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Monuments, Glen Canyon, northern Arizona, aerial

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Marble Canyon, Colorado River, northern Arizona, aerial

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Marble Canyon, Colorado River, northern Arizona, aerial

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Marble Canyon, Colorado River, northern Arizona, aerial

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Marble Canyon, Colorado River, northern Arizona, aerial

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Marble Canyon at Kaibab Monocline, Colorado River, northern Arizona, aerial

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Hoover Dam & Lake Mead, western Arizona, aerial

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Imperial Dam, Colorado River, western Arizona, aerial

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Lake Havasu, Colorado River, western Arizona, aerial north

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Parker Dam & Lake Havasu, Colorado River, western Arizona, aerial south

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Parker Dam & Lake Havasu, Colorado River, western Arizona, aerial north

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Topoc Gorge, Colorado River, western Arizona, aerial

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Topoc Gorge, Colorado River, western Arizona

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Cibola Lake, Colorado River flood, July 1983, western Arizona, aerial

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Cibola Lake, Colorado River flood, July 1983, western Arizona, aerial

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Colorado River just above Imperial Dam, western Arizona, aerial

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Hoover Dam & Lake Mead, western Arizona, aerial

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