Managing cavity trees for wildlife in the Northeast
By: Richard M. DeGraaf, Alex L. Shigo
Contributors: Shigo, Alex L., 1930-; Northeastern Forest Experiment Station (Radnor, Pa.)
Series: General technical report NE -- 101
Publisher: U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station
Published: 1985
Place of publication: [Broomall, PA]
Language: eng
Number of pages: 21
Subjects: Trees -- Wounds and injuries; Birds -- Nests -- Northeastern States.; Forests and forestry -- Northeastern States
Notes: Distributed to depository libraries in microfiche

Bibliography: p. 21