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Rushmore to add laser scans, digital mapping to its preservation arsenal' title='Rushmore to add laser scans, digital mapping to its preservation arsenal

Rushmore to add laser scans, digital mapping to its preservation arsenal

MOUNT RUSHMORE NATIONAL MEMORIAL , S.D. (5/19/09) -- When you get to be a national icon of a certain age, you need a little help looking smooth and youthful. Mount Rushmore National Memorial, which turns 68 this year, undergoes a facelift every year.
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