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Sampling low density populations of the Douglas-fir tussock moth by frequency of occurrence in the lower tree crown
Content Provider | Internet Archive |
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Author | Mason, Richard R. cn Pacific Northwest Forest and Range Experiment Station (Portland, Or.) United States. Forest Service. cn |
Organization | U.S. Department of Agriculture, National Agricultural Library |
Language | English |
Publisher | Portland, Or. : Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service |
Publisher Date | 1977-01-01 |
Access Restriction | Open |
Subject Keyword | Douglas-fir tussock moth |
Content Type | Text |
Resource Type | Book |