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Author: Nygren, Harold T.
Source: Journal of Forestry, Volume 97, Number 5, 1 May 1999, pp. 37-40(4)
Publisher: Society of American Foresters
Document Type: Journal Article
Affiliations: Former Forest Service Planner, 19022 SW Finnigan Hill Road, Hillsboro, OR 97123
Publication date: May 1, 1999