How to identify scleroderris canker /

Bibliographic Details
Main Author:	Skilling, Darroll D.
Corporate Authors:	North Central Forest Experiment Station (Saint Paul, Minn.), United States. Forest Service
Other Authors:	O'Brien, James T.
Format:	Government Document Book
Language:	English
Published:	[St. Paul, Minn.] : Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, [1979]
Subjects:	Canker (Plant disease) Conifers > Diseases and pests > United States.

Description
Physical Description:	6 unnumbered pages : color illustrations ; 23 x 11 cm.