Authors: Johnson, Paul S.; Jacobs, Rodney D.; Martin, A. Jeff; Godel, Edwin D.
Source: Northern Journal of Applied Forestry, Volume 6, Number 4, 1 December 1989, pp. 174-178(5)
Publisher: Society of American Foresters
Document Type: Journal Article
Affiliations: Wisconsin Department of Natural Resources, Alma, Wisconsin, 54610
Publication date: December 1, 1989