LEADER 01548nam 2200433 a 450 001 9910701510303321 005 20120410095126.0 035 $a(CKB)5470000002419989 035 $a(OCoLC)785135946 035 $a(EXLCZ)995470000002419989 100 $a20120410d2011 ua 0 101 0 $aeng 135 $aurcn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aHarvesting systems for the northern forest hardwoods$b[electronic resource] /$fChris B. LeDoux 210 1$aNewtown Square, PA :$cU.S. Dept. of Agriculture, Forest Service, Northern Research Station,$d[2011] 215 $a1 online resource (65 pages) $ccolor illustrations, color map 225 1 $aGeneral technical report NRS ;$v91 300 $aTitle from title screen (viewed on Apr. 10, 2012). 300 $a"December 2011." 320 $aIncludes bibliographical references (pages 56-64) and index. 606 $aLogging$zNortheastern States 606 $aLogging$zNortheastern States$xSafety measures 606 $aHardwoods$zNortheastern States 606 $aTimber$zNortheastern States 615 0$aLogging 615 0$aLogging$xSafety measures. 615 0$aHardwoods 615 0$aTimber 700 $aLeDoux$b Chris B$01389304 712 02$aUnited States.$bForest Service.$bNorthern Research Station. 801 0$bGPO 801 1$bGPO 906 $aBOOK 912 $a9910701510303321 996 $aHarvesting systems for the northern forest hardwoods$93489157 997 $aUNINA