Tree growth in thinned and unthinned white fir stands 20 years after a Douglas-fir tussock moth outbreak
By: Boyd E. Wickman
Contributors: Pacific Northwest Research Station (Portland, Or.)
Series: Research note PNW -- RN-477; Research note PNW -- 477
Publisher: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
Published: 1988
Place of publication: Portland, Or
Language: eng
Number of pages: 11
Subjects: Douglas fir -- California, Northern -- Growth; Douglas fir -- Diseases and pests -- California, Northern; Douglas-fir tussock moth
Notes: Caption title

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"July 1988."

Includes bibliographical references