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Last of the Great Unknown

Last of the Great Unknown

2012 Documentary
Release date : April 26, 2012
Runtime : 22m
Countries of origin : United States of America /
Original Language : English /
Director : Dan Ransom /
Writers :
Production companies :
April 26, 2012 22m United States of America Documentary English More
8
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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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  • title：Last of the Great Unknown
  • status：Released
  • Release date： 2012
  • Runtime：22m
  • Genres： Documentary ·
  • Countries of origin： United States of America ·
  • Original Language： English ·
  • Director： Dan Ransom /
  • Writers：
  • Production companies：
  • 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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