May 30 -- The party passes safely through its first three canyons: Flaming Gorge, Canyon ... end to the Powell party. The newspaper bases its story on an account from a man called John Risdon ...

said to rival the beauty of the Grand Canyon, now lie beneath the surface of a 186-mile-long reservoir named after John Wesley Powell. As Pete and I were about to discover, changes that bear a ...

This story appears in the June 2013 issue of National Geographic magazine. The man who led a landmark attempt to navigate the entire length of the Grand Canyon did not exactly look the part of a ...

“It’s deeply concerning that four decades of endangered fish recovery has arrived at this very dire moment,” said John Weisheit ... when Lake Powell ceases to exist and sediment-rich warm water again ...

Small groups of hunters likely traipsed the Grand Canyon region near the end of the last Ice Age, searching for mountain goats, bison, and wild plants. The first recorded group to live in the ...