by Pacific Northwest Forest and Range Experiment Station, U.S.D.A. Forest Service in [Portland, Or.] .
Written in English
|Statement||by Ward W. Carson.|
|Series||Research note -- PNW-136., USDA Forest Service research note PNW -- 136.|
|Contributions||Pacific Northwest Forest and Range Experiment Station (Portland, Or.)|
|The Physical Object|
|Pagination||26 p. :|
|Number of Pages||26|
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