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Laser scanners map rock art

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1:44pm, March 30, 2004

From Philadelphia, at a meeting of the Association of American Geographers

Researchers have developed a way to use laser-based surveying instruments to create detailed images of ancient etchings on stone. The new technique, which provides far more information than photographs do, could enable archaeologists to quickly catalog the ancient rock art, or petroglyphs, at sites that are geologically unstable or vulnerable to theft or vandalism.

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