Description
The Civilian Conservation Corps (CCC) built Marys Rock Tunnel in 1932. It is located at mile 32.2 on Skyline Drive, just south of Thorton Gap Entrance station.
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The Civilian Conservation Corps (CCC) built Marys Rock Tunnel in 1932. It is located at mile 32.2 on Skyline Drive, just south of Thorton Gap Entrance station.