Scientists and film makers take us to the bottom of the Great Lakes and show us what the bottoms are like and go back in history when they formed. |
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Ratings: | IMDB: 7.5/10 | |
Released: | December 1, 2011 | |
Runtime: | 47 min | |
Genres: | Documentary | |
Companies: | National Geographic | |
Cast: | Russell Boulter Russ Green Steve Blasco Tom Farnquist | |
Crew: | Jeremy Evans Wayne Abbott Crispin Sadler | |
artrok2000 : This series has done wonders for my insomnia