Fearless, reckless, adventurers who gambled their lives against a raging force of destruction !

The John Wesley Powell expedition of 1869 explores the dangerous Colorado River, withstands internal dissension, and finally discovers the Grand Canyon.

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Main Cast: Brian Keith, Ben Johnson, John Beal, James Drury, R.G. Armstrong, L.Q. Jones, Dan Sheridan, Stan Jones, David Frankham, Roy Barcroft

Director: William Beaudine

Writers: John Wesley Powell, Lawrence Edward Watkin

Editor:

Cinematographer: Gordon Avil

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