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Distribution of western spruce budworm egg masses on white fir and Douglas-fir
Content Provider | Internet Archive |
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Author | Schmid, J. M. cn Farrar, P. A. cn Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.) cn |
Organization | U.S. Department of Agriculture, National Agricultural Library |
Language | English |
Publisher | Fort Collins, Colo. : Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture |
Publisher Date | 1982-01-01 |
Access Restriction | Open |
Subject Keyword | Western spruce budworm Eggs Defoliation Douglas fir Diseases and pests Fir Diseases and pests |
Content Type | Text |
Resource Type | Book |