Grand Canyon: The Hidden Secrets (1984) Discussion

Grand Canyon: The Hidden Secrets (1984) (movie): Follow the scientific expedition of John Wesley Powell who mapped the canyon and boated the Colorado River rapids into modern times. Discover the latest Discussions, Reviews, Quotes, Theories, Explanations and Analysis of Grand Canyon: The Hidden Secrets (1984) below

Directed by: Kieth Merrill

Cast: Daniel T. Majetich, Coby Jordan, Bruce Simballa

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