Field and laboratory techniques for evaluating hemlock sawfly infestations
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Author
Contributions
- Torgersen, Torolf R. - Contributor
Publication
1975 - U.S. Forest Service, Portland, Or, Oregon
Language
English
Word Count
5,750 words, Guess
Page Count
23 pages
Identifiers
- Internet Archivefieldlaboratoryt252hard
- Open LibraryOL16014055M
Subjects
Topics
Hemlock sawfly
Series Statement
- USDA Forest Service research note PNW -- 252.
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