Laminated root rot
Subtitle: a guide for reducing and preventing losses in Oregon and Washington forests
By: James S. Hadfield and David W. Johnson
Contributors: Johnson, David W. 1940-; United States. Forest Service. Pacific Northwest Region
Publisher: Dept. of Agriculture, Forest Service, Pacific Northwest Region
Published: 1977
Place of publication: [Portland, Or.]
Language: eng
Number of pages: 16
Subjects: Root rots
Notes: Bibliography: p. 15-16