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The John Wesley Powell expedition of 1869 explores the dangerous Colorado River, withstands internal dissension, and finally discovers the Grand Canyon.
Character :William Dunn
Character :George Bradley
Character :Maj. John Wesley Powell
Character :Walter Powell
Character :Oramel Howland
Character :Billy Hawkins
Character :Jack Sumner
Character :Seneca Howland
Character :Frank Goodman
Character :Jim Baker
Character :Ashtishkel
Character :Indian chief
Character :Indian woman
Character :Andrew 'Andy' Hall
Character :
