Spruce budworm defoliation causes continued top killing and tree mortality in northeastern Minnesota /
| Main Authors: | , |
|---|---|
| Format: | Government Document Book |
| Language: | English |
| Published: |
[St. Paul, MN] :
Lake States Forest Experiment Station,
[1962]
|
| Series: | Technical notes (Lake States Forest Experiment Station (Saint Paul, Minn.) ;
no. 621 |
| Subjects: |