Major John Wesley Powell leads an expedition through the Grand Canyon to chart the Colorado River.
| Year | 1960 |
| Country |
USA |
| Director |
William Beaudine |
| Casting |
Brian Keith, John Beal, James Drury, R.G. Armstrong, Ben Johnson, L.Q. Jones, Dan Sheridan, David Stollery, Stan Jones, David Frankham, Roy Barcroft, Jack Big Head, Pat Hogan, Dawn Little Sky, Ray Walker |
| Genre |
Family, Western |
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