How to save Dutch elm diseased trees by pruning
By: J. R. Allison, G. F. Gregory
Contributors: Gregory, G. F., joint author; United States. Forest Service. Northeastern Area, State and Private Forestry
Publisher: Dept. of Agriculture, Forest Service, Northeastern Area, State and Private Forestry
Published: 1979
Place of publication: [Broomall, Pa.]
Language: eng
Subjects: Dutch elm disease -- United States; Pruning
Notes: "NA-GR-9."

Issued Nov. 1979

Bibliography: p. [4]