Last of the Great Unknown

Name: Last of the Great Unknown
Director: Dan Ransom
Genre: Documentary
Released: 2012-04-26
Duration: 22 min
Rating: 8
Cast: Bill Formanek, Todd Martin, Dave Nally, Rich Rudow, Guy Smith

HDIMDB: 8.0

Last of the Great Unknown (2012) is a documentary directed by Dan Ransom rated 8.0/10.

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

Released: 2012-04-26

Duration: 0h 22m

Genre: Documentary

Country: United States of America

Director: Dan Ransom

Cast: Bill Formanek, Todd Martin, Dave Nally, Rich Rudow

Production: N/A