Great Sand Dunes National Park and Preserve
Great Sand Dunes National Park and Preserve is an American national park that conserves an area of large sand dunes up to 750 feet (229 m) tall on the eastern edge of the San Luis Valley, and an adjacent national preserve located in the Sangre de Cristo Range, in south-central Colorado, United States. The park was originally designated Great Sand Dunes National Monument on March 17, 1932 by President Herbert Hoover. The park contains the tallest sand dunes in North America. The dunes cover an area of about 30 sq mi (78 km2) and are estimated to contain over 5 billion cubic meters of sand. Sediments from the surrounding mountains filled the valley over geologic time periods.
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Great Sand Dunes National Park and Preserve
Great Sand Dunes National Park and Preserve is an American national park that conserves an area of large sand dunes up to 750 feet (229 m) tall on the eastern edge of the San Luis Valley, and an adjacent national preserve located in the Sangre de Cristo Range, in south-central Colorado, United States. The park was originally designated Great Sand Dunes National Monument on March 17, 1932 by President Herbert Hoover. The park contains the tallest sand dunes in North America. The dunes cover an area of about 30 sq mi (78 km2) and are estimated to contain over 5 billion cubic meters of sand. Sediments from the surrounding mountains filled the valley over geologic time periods.
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