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Mount Rushmore to Add Laser Scans, Digital Mapping in Preservation Efforts

RAPID CITY JOURNAL -- Officials at Mount Rushmore National Memorial have added new tools in the constant effort to preserve the national icon. While crews traditionally use silicone sealant, fracture-mapping techniques and other technology to preserve the faces, they have added laser scanning and digital mapping to tools use to keep the 68 year old in good condition. Read More

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