The Petersburg Creek–Duncan Salt Chuck Wilderness is a designated wilderness area located on Kupreanof Island, Alaska, within the Tongass National Forest. [1] Created in 1980 by the Alaska National Interest Lands Conservation Act, [2] the wilderness area protects 46,849 acres of temperate rainforests, salt marsheses and rugged, glacier-carved mountains. [3]
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56°52′N 133°11′W / 56.867°N 133.183°W
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