مؤلف: William J Fritz

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1 كتب إلكترونية بواسطة William J Fritz

William J Fritz & Robert C Thomas: Roadside Geology of Yellowstone Country
With more than 10, 000 geysers, hot springs, fumaroles, and mud pots, as well as cubic mile upon cubic mile of once-incendiary rhyolite, the landscape of Yellowstone Country vividly displays its fier …
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