Cavities in trees around spring seeps in the maple-beech-birch forest type /

Bibliographic Details
Main Author:	Carey, Andrew B.
Corporate Author:	Northeastern Forest Experiment Station (Radnor, Pa.)
Other Authors:	Healy, William M.
Format:	Government Document Book
Language:	English
Published:	[Broomall, Pa.] : U.S. Dept. of Agriculture, Forest Service, 1981.
Series:	Research paper NE ; 480.
Subjects:	Forest animals. Springs. Trees > Wounds and injuries. Trees > Diseases and pests.