01224nam a2200289 k 4500001001500000005001500015008004100030035002000071040001300091043001200104049002100116052002000137086001900157100002400176245009200200260011000292300002500402440003800427500005500465504002500520650003200545650004800577650004700625700004500672710009100717963012600808WMF000004372  20201126130945850815s1985    us a     b    000   eng    a(OCoLC)12390182  aGPOcGPO  an-use--0 lZZ0000043193fXA06aA 13.88bNE-101  aA 13.88:NE-1011 aDeGraaf, Richard M.10aManaging cavity trees for wildlife in the Northeast/dRichard M. DeGraaf, Alex L. Shigo  a[Broomall, PA]:bU.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station,c1985  a21 p.:bill.;c28 cm00aGeneral technical report NE;v101  aDistributed to depository libraries in microfiche.  aBibliography: p. 21. 0aTreesxWounds and injuries. 0aBirdszNortheastern StatesxEggs and nests. 0aForests and forestryzNortheastern States.1 aShigo, Alex L.,d1930-20060KAC200508640  aNortheastern Forest Experiment Station (미국).bBroomall, Pennsylvania0KAB202010669  aTreesaBirdsaForestsaandaforestryaWoundsaandainjuriesaEggsaandanestsaNortheasternaStatesaNortheasternaStates