An edition of The balsam woolly aphid problem in Oregon and Washington
(1957)
The balsam woolly aphid problem in Oregon and Washington
by Norman E. Johnson
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Publish Date
1957
Publisher
U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
Language
English
Pages
34
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Previews available in: English
Subjects
Balsam woolly adelgid, Diseases and pests, Fir, AphidsPlaces
Oregon, Washington (State)| Edition | Availability |
|---|---|
1
The balsam woolly aphid problem in Oregon and Washington
1957, U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
in English
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Book Details
Edition Notes
"April 1957."
Also issued online.
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| July 31, 2014 | Edited by ImportBot | import new book |
| December 3, 2010 | Edited by Open Library Bot | Added subjects from MARC records. |
| December 10, 2009 | Created by WorkBot | add works page |