Detection of discoloration and decay in living trees and utility poles
By: by Alex L. Shigo and Alex Shigo.
Series: Research paper NE -- 294.
Publisher: Forest Service, U.S. Dept. of Agriculture, Northeastern Forest Experiment Station
Published: 1974
Place of publication: Upper Darby, Pa
Language: eng
Number of pages: 11
Subjects: Trees -- Diseases and pests; Wood poles; Wood -- Deterioration
Notes: Cover title.

Bibliography: p. 11.