LEADER 02201oam 2200721I 450 001 9910707442003321 005 20160906135419.0 035 $a(CKB)5470000002465109 035 $a(OCoLC)669402679 035 $a(EXLCZ)995470000002465109 100 $a20101010d1990 ua 0 101 0 $aeng 135 $aurbn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aPrecommercial crop-tree thinning in a mixed northern hardwood stand /$fNancy G. Voorhis 210 1$aRadnor, PA :$cUnited States Department of Agriculture, Forest Service, Northeastern Forest Experiment Station,$d1990. 215 $a1 online resource (4 pages) $cillustration 225 1 $aResearch paper NE ;$v640 300 $aTitle from title screen (viewed September 6, 2016). 300 $a"June 1990." 320 $aIncludes bibliographical references (page 4). 606 $aTree crops$zVermont 606 $aHardwoods$xThinning$zVermont 606 $aTrees$zVermont$xGrowth 606 $aYellow birch$zVermont 606 $aPaper birch$zVermont 606 $aSugar maple$zVermont 606 $aHardwoods$xThinning$2fast 606 $aPaper birch$2fast 606 $aSugar maple$2fast 606 $aTree crops$2fast 606 $aTrees$xGrowth$2fast 606 $aYellow birch$2fast 607 $aVermont$2fast 615 0$aTree crops 615 0$aHardwoods$xThinning 615 0$aTrees$xGrowth. 615 0$aYellow birch 615 0$aPaper birch 615 0$aSugar maple 615 7$aHardwoods$xThinning. 615 7$aPaper birch. 615 7$aSugar maple. 615 7$aTree crops. 615 7$aTrees$xGrowth. 615 7$aYellow birch. 700 $aVoorhis$b Nancy G.$01405854 712 02$aNortheastern Forest Experiment Station (Radnor, Pa.), 801 0$bOCLCE 801 1$bOCLCE 801 2$bOCLCQ 801 2$bOCLCA 801 2$bOCLCF 801 2$bOCLCQ 801 2$bOCLCO 801 2$bOCLCQ 801 2$bGPO 906 $aBOOK 912 $a9910707442003321 996 $aPrecommercial crop-tree thinning in a mixed northern hardwood stand$93483190 997 $aUNINA