True fir spacing and yield trials : 20-year update /

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Bibliographic Details
Author / Creator:Curtis, Robert O., author.
Imprint:Olympia, WA : United States Department of Agriculture, Forest Service, Pacific Northwest Research Station, 2013.
Description:1 online resource (32 pages) : illustrations.
Series:Research Paper ; PNW-RP-590
Research paper PNW ; RP-590.
Format: E-Resource U.S. Federal Government Document Book
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Other authors / contributors:Pacific Northwest Research Station (Portland, Or.), issuing body.
Notes:Title from title screen (viewed on July 2, 2013).
"May 2013."
Includes bibliographical references (pages 29-32).
Other form:Print version: Curtis, Robert O. True fir spacing and yield trials
GPO item no.:0083-B (online) classification:A 13.78:PNW-RP-590