Last of the Great Unknown

Name: Last of the Great Unknown
Director: Guy Smith
Genre: Documentary
Released: 2012-04-26
Duration: 22 min
Rating: 8.0
Cast: Bill Formanek, Todd Martin, Dave Nally, Rich Rudow, Guy Smith

April 26, 2012 0h 22m ★ 8.0 (1 votes)

Documentary

Overview

The story of Grand Canyon's hidden slot canyons, the canyoneers who systematically explored their drainages, and the secrets hidden deep within their walls.

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