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Author: Yerke, Theodor B.
Source: Journal of Forestry, Volume 69, Number 9, 1 September 1971, pp. 565-567(3)
Publisher: Society of American Foresters
Document Type: Journal Article
Affiliations: Librarian, Pacific SW Forest and Range Exp. Sta., U.S. Forest Service, Berkeley, Calif.
Publication date: September 1, 1971