01704oam 2200481I 450 991070475710332120130801115431.0(CKB)5470000002444154(OCoLC)621525174(OCoLC)681248425(OCoLC)777183735(EXLCZ)99547000000244415420100519d1992 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierSeed fall in an old-growth northern hardwood forest /Raymond E. Graber, William B. LeakRadnor, Pennsylvania :United States Department of Agriculture, Forest Service, Northeastern Forest Experiment Station,[1992]1 online resource (11 pages) illustrationsResearch paper NE ;663Title from title screen (viewed on July 18, 2013)."July 1992."Includes bibliographical references (pages 10-11).Forest regenerationNew HampshireBeechSeedsViabilityMapleSeedsViabilityBirchSeedsViabilityForest regenerationBeechSeedsViability.MapleSeedsViability.BirchSeedsViability.Graber Raymond E.1419063Leak William B.Northeastern Forest Experiment Station (Radnor, Pa.),United States.Forest Service,OCLCEOCLCEOCLCQGPOBOOK9910704757103321Seed fall in an old-growth northern hardwood forest3532331UNINA