01505oam 2200409 450 991070473710332120130809161839.0(CKB)5470000002444356(OCoLC)679692719(EXLCZ)99547000000244435620101107d1993 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierProtecting red oak seedlings with tree shelters in northwestern Pennsylvania /Russell S. WaltersRadnor, PA :United States Department of Agriculture, Forest Service, Northeastern Forest Experiment Station,[1993]1 online resource (5 pages) illustrationsResearch paper NE ;679Title from title screen (viewed Aug. 9, 2013)."October 1993."Includes bibliographical references (pages 4-5).Quercus rubraSeedlingsProtectionPennsylvaniaTreesSeedlingsProtectionPennsylvaniaQuercus rubraSeedlingsProtectionTreesSeedlingsProtectionWalters Russell S.1408471Northeastern Forest Experiment Station (Radnor, Pa.),OCLCEOCLCEOCLCQGPOBOOK9910704737103321Protecting red oak seedlings with tree shelters in northwestern Pennsylvania3537779UNINA