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Filtering by: Creator Carmean, David Subject Forests and forestry -- Northwest, Pacific

Annual report of the Pacific Northwest Forest and Range Experiment Station for the calendar year 1949

Creator:

Pacific Northwest Forest and Range Experiment Station (Portland, Or.)

Resource Type:

Technical Report
Annual report of the Pacific Northwest Forest and Range Experiment Station for the calendar year 1956

Creator:

Pacific Northwest Forest and Range Experiment Station (Portland, Or.)

Resource Type:

Technical Report

Full Text:

species, was introduced in Europe by David Douglas over a century ago and now it also is an important