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By: Ostry, Michael E. - Anderson, Neil A. - O'Brien, Joseph G. - United States. Forest Service. Northern Research Station.Edition:Publication info: Newtown Square, PA, U.S. Dept. of Agriculture, Forest Service, Northern Research Station, [2011]Volume: no.79Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections: