Log and lumber grades as indicators of wood quality in 20- to 100-year-old Douglas-fir trees from thinned and unthinned stands
By: R. James Barbour and Dean L. Parry
Contributors: Parry, Dean L; Pacific Northwest Research Station (Portland, Or.)
Series: General technical report PNW -- GTR-510; General technical report PNW -- 510
Publisher: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
Published: 2001
Place of publication: Portland, OR
Language: eng
Number of pages: 22
Subjects: Douglas fir -- Thinning -- Northwest, Pacific; Douglas fir -- Northwest, Pacific -- Age; Timber -- Quality
Notes: Cover title

"April 2001."

Includes bibliographical references (p. 20-22)

Available via Internet from the Forest Service web site (PDF only). Address as of 07/19/01: http://www.fs.fed.us/pnw/pubs/gtr510.pdf; current access is available via PURL