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  1. By: United States. Forest Service. - United States. Forest Service. Alaska Region.
    Publication info: [Juneau, Alaska], U.S. Dept. of Agriculture, Forest Service, Tongass National Forest, 1996
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Alaska  Environmental aspects  Forest management  Forest reserves  Helicopter transportation  Heliports  Recreational use  Tongass National Forest  
  2. By: United States. Forest Service. - United States. Forest Service. Alaska Region.
    Publication info: [Juneau, Alaska], U.S. Dept. of Agriculture, Forest Service, Tongass National Forest, 1996
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Alaska  Environmental aspects  Forest management  Forest reserves  Helicopter transportation  Heliports  Recreational use  Tongass National Forest