Jun 10, 2015 - The Great Basin Desert, the largest U. S. desert, covers an arid expanse of about 190000 square miles and is bordered by the Sierra Nevada ... ... <看更多>
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Jun 10, 2015 - The Great Basin Desert, the largest U. S. desert, covers an arid expanse of about 190000 square miles and is bordered by the Sierra Nevada ... ... <看更多>