1974. 2018-04-03T19:56:23Z. 2018-04-03T19:56:23Z. Geological Survey (U.S.). The Survey. English. cartographic image. Public. Great Smoky Mountains National Park (N.C. and Tenn.), United States, and Great Smoky Mountains National Park.
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1965. 2018-04-03T20:22:24Z. 2018-04-03T20:22:24Z. Geological Survey (U.S.). The Survey. English. cartographic image. Public. Great Smoky Mountains National Park (N.C. and Tenn.), United States, and Great Smoky Mountains National Park.