What movie tells the story of United States Army officer John Wesley Powell, who was the first to travel down the Colorado River, and the dangers that he and nine other men had to face, Ten Who Dared or James and the Giant Peach?
Ten Who Dared
Title: James and the Giant Peach (film)
Passage: James and the Giant Peach is a 1996 British-American musical fantasy film directed by Henry Selick, based on the 1961 novel of the same name by Roald Dahl.  It was produced by Tim Burton and Denise Di Novi, directed by Henry Selick, and starred Paul Terry as James.  The film is a combination of live action and stop-motion animation.  Co-stars Joanna Lumley and Miriam Margolyes played James's aunts in the live-action segments, and Simon Callow, Richard Dreyfuss, Susan Sarandon, Jane Leeves, David Thewlis, and Margoyles voiced his insect friends in the animation sequences.
Title: Ten Who Dared
Passage: Ten Who Dared is a 1960 film produced by Walt Disney Productions and released by Buena Vista Distribution in 1960.  It tells the story of United States Army officer John Wesley Powell, who was the first to travel down the Colorado River, and the dangers that he and nine other men had to face while making a map of the region during their 1869 expedition.  Hired by Walt Disney Studios in 1959 as a technical adviser, Otis R. Marston led a film crew through the Grand Canyon to film river running and background scenes for the film.
Title: Walter Clement Powell
Passage: Walter Clement Powell (1850–1883) was an American photographer and the first cousin of Major John Wesley Powell.  Powell was a participant and assistant photographer on Major Powell's second trip down the Colorado River in 1871.
James and the Giant Peach (film) Ten Who Dared