Authors: Callaham, R. Z.; Duffield, J. W.
Source: Journal of Forestry, Volume 59, Number 3, 1 March 1961, pp. 204-207(4)
Publisher: Society of American Foresters
Document Type: Journal Article
Affiliations: Technical Director of the Industrial Forestry Association's Col. W. B. Greeley Nursery at Nisqually, Wash.
Publication date: March 1, 1961