2 edition of Ips pini attack density in ponderosa pine thinning slash as related to felling date in eastern Oregon found in the catalog.
Ips pini attack density in ponderosa pine thinning slash as related to felling date in eastern Oregon
by Pacific Northwest Forest and Range Experiment Station, U.S.D.A. Forest Service in [Portland, Or.]
Written in English
|Statement||by Charles Sartwell.|
|Series||Research note -- PNW-131., USDA Forest Service research note PNW -- 131.|
|Contributions||Pacific Northwest Forest and Range Experiment Station (Portland, Or.)|
|The Physical Object|
|Pagination||8 p. :|
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