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APA-referensUnited States. Department of Agriculture. (1951). The principal laws relating to the establishment and administration of the national forests and to other forest service activities.
Chicago-stil citatUnited States. Department of Agriculture. The Principal Laws Relating to the Establishment and Administration of the National Forests and to Other Forest Service Activities. Washington, 1951.
MLA-referensUnited States. Department of Agriculture. The Principal Laws Relating to the Establishment and Administration of the National Forests and to Other Forest Service Activities. 1951.
Harvard-stil citatUnited States. Department of Agriculture. 1951. The principal laws relating to the establishment and administration of the national forests and to other forest service activities. Washington.