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Brazil's Land of Sand

Brazil's Land of Sand

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Alaska - The Wilderness of the Volcanoes

Alaska - The Wilderness of the Volcanoes

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Ancient peoples of the Colorado Plateau

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In the America's with David Yetman

Sierra Nevada and the Making of California

Season 3 Episode 304

The Sierra Nevada is our most important mountain range. It influences much of California’s weather and produces most if its water. It was once the greatest barrier to transcontinental transportation and communication. It is a symbol of earthquakes, which created it. Tectonic geologist Eldridge Moores helps host David Yetman decipher the mysteries of the range’s origins and importance.