Photo of plaque at Rainbow Bridge in Glen Canyon, taken during Alvin Colville's July 1962 Colorado River trip
Photo of Twilight Canyon, off the Colorado River in Glen Canyon, taken during Alvin Colville's July ...
Photo of a man by a pool in Mystery Canyon, off the Colorado River in Glen Canyon, taken during Alvi...
Photo of raft on the Colorado River in an alcove near Twilight Canyon, taken during Alvin Colville's...
Photo of plaque at Rainbow Bridge in Glen Canyon, taken during Alvin Colville's July 1962 Colorado R...
Photo of Rainbow Bridge in Glen Canyon, taken during Alvin Colville's July 1962 Colorado River trip
Aerial view of Rainbow Bridge and Aztec Creek in Glen Canyon, taken during Alvin Colville's July 196...
Photo of Rainbow Bridge with Navajo Mountain in the background, taken during Alvin Colville's July 1...
Photo of Davy and Phyllis near Aztec Creek and Rainbow Bridge National Monument, off the Colorado Ri...
Photo of crew at Tin Can Spring, on the Colorado River near Rainbow Bridge in Glen Canyon, taken dur...
Photo of a lizard near Rainbow Bridge in Glen Canyon, taken during Alvin Colville's July 1962 Colora...
Photo of a plaque with relief of man on horseback, a monument to John Wetherill, the explorer and gu...
Photo of Cathedral Canyon off the Colorado River in Glen Canyon, taken during Alvin Colville's July ...
Photo of Twilight Canyon, off the Colorado River in Glen Canyon, taken during Alvin Colville's July ...
Photo of a man by a pool in Mystery Canyon, off the Colorado River in Glen Canyon, taken during Alvi...
Photo of raft on the Colorado River in an alcove near Twilight Canyon, taken during Alvin Colville's...
Photo of plaque at Rainbow Bridge in Glen Canyon, taken during Alvin Colville's July 1962 Colorado R...
Photo of Rainbow Bridge in Glen Canyon, taken during Alvin Colville's July 1962 Colorado River trip
Aerial view of Rainbow Bridge and Aztec Creek in Glen Canyon, taken during Alvin Colville's July 196...
Photo of Rainbow Bridge with Navajo Mountain in the background, taken during Alvin Colville's July 1...
Photo of Davy and Phyllis near Aztec Creek and Rainbow Bridge National Monument, off the Colorado Ri...
Photo of crew at Tin Can Spring, on the Colorado River near Rainbow Bridge in Glen Canyon, taken dur...
Photo of a lizard near Rainbow Bridge in Glen Canyon, taken during Alvin Colville's July 1962 Colora...
Photo of a plaque with relief of man on horseback, a monument to John Wetherill, the explorer and gu...
Photo of Cathedral Canyon off the Colorado River in Glen Canyon, taken during Alvin Colville's July ...
Photo of Twilight Canyon, off the Colorado River in Glen Canyon, taken during Alvin Colville's July ...
Photo of a man by a pool in Mystery Canyon, off the Colorado River in Glen Canyon, taken during Alvi...
Photo of raft on the Colorado River in an alcove near Twilight Canyon, taken during Alvin Colville's...