01782nam 2200541Ka 450 991069654400332120080501102442.0(CKB)5470000002379412(OCoLC)226740321(EXLCZ)99547000000237941220080501d2008 ua 0engtxtrdacontentcrdamediacrrdacarrierTrue fir spacing trials[electronic resource] 10-year results /Robert O. Curtis[Portland, Or.] :U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station,[2008]36 pages digital, PDF fileGeneral technical report ;PNW-GTR-749Title from title screen (viewed Apr. 30, 2008)."April 2008."True fir spacing trials Forest thinningWashington (State)Forest thinningOregonForest thinningCascade RangeTreesSpacingWashington (State)TreesSpacingOregonTreesSpacingCascade RangeTreesWashington (State)GrowthTreesOregonGrowthTreesCascade RangeGrowthForest thinningForest thinningForest thinningTreesSpacingTreesSpacingTreesSpacingTreesGrowth.TreesGrowth.TreesGrowth.Curtis Robert O58619Pacific Northwest Research Station (Portland, Or.)GPOGPOBOOK9910696544003321True fir spacing trials3479492UNINA