02201oam 2200721I 450 991070744200332120160906135419.0(CKB)5470000002465109(OCoLC)669402679(EXLCZ)99547000000246510920101010d1990 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierPrecommercial crop-tree thinning in a mixed northern hardwood stand /Nancy G. VoorhisRadnor, PA :United States Department of Agriculture, Forest Service, Northeastern Forest Experiment Station,1990.1 online resource (4 pages) illustrationResearch paper NE ;640Title from title screen (viewed September 6, 2016)."June 1990."Includes bibliographical references (page 4).Tree cropsVermontHardwoodsThinningVermontTreesVermontGrowthYellow birchVermontPaper birchVermontSugar mapleVermontHardwoodsThinningfastPaper birchfastSugar maplefastTree cropsfastTreesGrowthfastYellow birchfastVermontfastTree cropsHardwoodsThinningTreesGrowth.Yellow birchPaper birchSugar mapleHardwoodsThinning.Paper birch.Sugar maple.Tree crops.TreesGrowth.Yellow birch.Voorhis Nancy G.1405854Northeastern Forest Experiment Station (Radnor, Pa.),OCLCEOCLCEOCLCQOCLCAOCLCFOCLCQOCLCOOCLCQGPOBOOK9910707442003321Precommercial crop-tree thinning in a mixed northern hardwood stand3483190UNINA