Down the great unknown

John Wesley Powell's 1869 journey of discovery and tragedy through the Grand Canyon

Edición de la obra Down the great unknown

On May 24, 1869, a one-armed Civil War veteran named John Wesley Powell and a ragtag band of nine mountain men embarked on the last great quest of the American West. No one had ever explored the fabled Grand Canyon. To adventurers of that era it was a region almost as mysterious as Atlantis -- and as perilous.