How to save Dutch elm diseased trees by pruning /

Bibliographic Details
Main Author:	Allison, James R.
Corporate Author:	United States. State and Private Forestry. Northeastern Area
Other Authors:	Gregory, G. F.
Format:	Government Document Book
Language:	English
Published:	[Broomall, Pa.] : Dept. of Agriculture, Forest Service, Northeastern Area, State and Private Forestry, 1979.
Subjects:	Dutch elm disease > United States. Pruning.

Description
Item Description:	"NA-GR-9." Issued Nov. 1979.
Physical Description:	6 unnumbered pages : color illustrations ; 23 x 11 cm.
Bibliography:	Bibliography: page [4].