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Simple, progressive, tree improvement program for Douglas-fir
- Author / Creator
- Available as
- Physical
Details
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- Creator
- by Roy R. Silen
- Format
- Books
- Language
- English
- Publication
-
- Portland, Or. : Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, [1966]
- Physical Details
-
- 13 pages ; 28 cm
- OCLC
- ocm58992820
- Caption title.
- "December 1966."
- Includes bibliographical references.