Authors: Groninger, John W.; McCormick, Larry H.
Source: Northern Journal of Applied Forestry, Volume 9, Number 1, 1 March 1992, pp. 29-31(3)
Publisher: Society of American Foresters
Document Type: Journal Article
Affiliations: School of Forest Resources, The Pennsylvania State University, University Park, PA 16802
Publication date: March 1, 1992