Pruning of ponderosa pine : effect on growth / James W. Barrett.
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| Main Author: | |
| Corporate Authors: | , |
| Format: | Government Document Book |
| Language: | English |
| Published: |
Portland, Or. :
Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture,
1968.
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| Series: | USDA Forest Service research paper PNW ;
68. |
| Subjects: |
| Item Description: | Cover title. |
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| Physical Description: | 9 pages : illustrations ; 27 cm. |
| Bibliography: | Includes bibliographical references (page 9) |