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Author: Barr, Percy M.
Source: Journal of Forestry, Volume 44, Number 9, 1 September 1946, pp. 634-638(5)
Publisher: Society of American Foresters
Document Type: Journal Article
Affiliations: Associate Professor, School of Forestry, University of California, Berkeley, Calif. Senior Member, S.A.F.
Publication date: September 1, 1946