Summary The relatively tiny Colorado River had substantial help in carving out a chasm as wide and deep as the Grand Canyon. The story is so complex and the evidence so scarce that it took geologist decades to unravel the mysteries.
Directed : Unknown
Written : Unknown
Stars : Corey Johnson Jonathan Keeble Tony Prave Mike Poland
Genres : History Documentary
Release date : Nov 23, 2009
Countries of origin : United States United Kingdom
Official sites : Official site
Language : English
Filming locations : Grand Canyon National Park, Arizona, USA
Production companies : History Channel Pioneer Productions
Summary The relatively tiny Colorado River had substantial help in carving out a chasm as wide and deep as the Grand Canyon. The story is so complex and the evidence so scarce that it took geologist decades to unravel the mysteries.
Genres : History Documentary
Release date : Nov 23, 2009
Countries of origin : United States United Kingdom
Official sites : Official site
Language : English
Filming locations : Grand Canyon National Park, Arizona, USA
Production companies : History Channel Pioneer Productions
