How the Earth Was Made Season 2 Episode 13 America's Gold 2009
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In the deserts of Nevada, research analysts will examine sedimentary rocks, which have built up over many years, to reveal how extracting several layers of rocks can lead to the discovery of gold residing deep below the surface.
- Released: 2010-03-02
- Runtime: 45 minutes
- Genre: Documentary
- Stars: Corey Johnson
- Director:
