Authors: Lowell, Eini C.; Willits, Susan A.
Source: Western Journal of Applied Forestry, Volume 13, Number 2, 1 April 1998, pp. 54-59(6)
Publisher: Society of American Foresters
Document Type: Journal Article
Affiliations: USDA Forest Service, Pacific Northwest Research Station, P.O. Box 3890, Portland, OR 97208
Publication date: April 1, 1998