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Description: |
31 pages : illustrations ; 28 cm |
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Dissertation Note: |
M.S. University of Michigan 1946. In partial fulfillment for the Degree of Master of Forestry School of Forestry and Conservation |
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General Note: |
Best quality possible - copied from microfilm. |
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Bibliography Note: |
Includes bibliographical references (pages 50-51). |
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General Note: |
Microfilm copy of typescript. Ann Arbor: Univ. Microfilms, 1946. |