United States. Forest Service. Pacific Northwest Region. (1987). Draft environmental impact statement: Proposed land and resource management plan : Willamette National Forest. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region.
Chicago Style (17th ed.) CitationUnited States. Forest Service. Pacific Northwest Region. Draft Environmental Impact Statement: Proposed Land and Resource Management Plan : Willamette National Forest. [Portland, Or.]: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region, 1987.
MLA (9th ed.) CitationUnited States. Forest Service. Pacific Northwest Region. Draft Environmental Impact Statement: Proposed Land and Resource Management Plan : Willamette National Forest. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region, 1987.