Tree decay
Subtitle: an expanded concept
By: Alex L. Shigo
Contributors: United States. Forest Service
Series: Agriculture information bulletin ; no. 419; Agriculture information bulletin -- no. 419
Publisher: Dept. of Agriculture, Forest Service : for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1979
Place of publication: [Washington]
Language: eng
Number of pages: 72
Subjects: Trees -- Diseases and pests -- United States
Notes: Issued Apr. 1979