Photo of Aztec Creek canyon, off the Colorado River in Glen Canyon, taken during Alvin Colville's July 1962 river trip
Photo of the Colorado River in Glen Canyon, taken during Alvin Colville's July 1962 river trip
Photo of Mystery Canyon off the Colorado River in Glen Canyon, taken during Alvin Colville's July 19...
Photo of Trumpet Canyon off the Colorado River in Glen Canyon, taken during Alvin Colville's July 19...
Photo of Aztec Creek canyon, off the Colorado River in Glen Canyon, taken during Alvin Colville's Ju...
Photo of Davy in Aztec Creek, off the Colorado River in Glen Canyon, taken during Alvin Colville's J...
Photo of Cathedral Canyon off the Colorado River in Glen Canyon, taken during Alvin Colville's July ...
Photo of crew in camp at Aztec Creek on the Colorado River in Glen Canyon, taken during Alvin Colvil...
Photo of boats on shore of Colorado River at Aztec Creek camp in Glen Canyon, taken during Alvin Col...
Photo of a man diving into Aztec Creek, off the Colorado River in Glen Canyon, taken during Alvin Co...
Aerial view of Rainbow Bridge and Aztec Creek in Glen Canyon, taken during Alvin Colville's July 196...
Photo of Mert and Davy in camp at Aztec Creek on the Colorado River in Glen Canyon, taken during Alv...
Photo of Twilight Canyon, off the Colorado River in Glen Canyon, taken during Alvin Colville's July ...
Photo of the Colorado River with Navajo Mountain in the background, taken during Alvin Colville's Ju...
Photo of the Colorado River in Glen Canyon, taken during Alvin Colville's July 1962 river trip
Photo of Mystery Canyon off the Colorado River in Glen Canyon, taken during Alvin Colville's July 19...
Photo of Trumpet Canyon off the Colorado River in Glen Canyon, taken during Alvin Colville's July 19...
Photo of Aztec Creek canyon, off the Colorado River in Glen Canyon, taken during Alvin Colville's Ju...
Photo of Davy in Aztec Creek, off the Colorado River in Glen Canyon, taken during Alvin Colville's J...
Photo of Cathedral Canyon off the Colorado River in Glen Canyon, taken during Alvin Colville's July ...
Photo of crew in camp at Aztec Creek on the Colorado River in Glen Canyon, taken during Alvin Colvil...
Photo of boats on shore of Colorado River at Aztec Creek camp in Glen Canyon, taken during Alvin Col...
Photo of a man diving into Aztec Creek, off the Colorado River in Glen Canyon, taken during Alvin Co...
Aerial view of Rainbow Bridge and Aztec Creek in Glen Canyon, taken during Alvin Colville's July 196...
Photo of Mert and Davy in camp at Aztec Creek on the Colorado River in Glen Canyon, taken during Alv...
Photo of Twilight Canyon, off the Colorado River in Glen Canyon, taken during Alvin Colville's July ...
Photo of the Colorado River with Navajo Mountain in the background, taken during Alvin Colville's Ju...
Photo of the Colorado River in Glen Canyon, taken during Alvin Colville's July 1962 river trip
Photo of Mystery Canyon off the Colorado River in Glen Canyon, taken during Alvin Colville's July 19...
Photo of Trumpet Canyon off the Colorado River in Glen Canyon, taken during Alvin Colville's July 19...