Authors: Robbins, Kathryn; Johnson, David W.; Hawksworth, Frank G.; Nicholls, Thomas H.
Source: Western Journal of Applied Forestry, Volume 4, Number 1, 1 January 1989, pp. 27-28(2)
Publisher: Society of American Foresters
Document Type: Journal Article
Affiliations: North Central Forest Experiment Station, USDA Forest Service, St. Paul, MN 55108
Publication date: January 1, 1989