Author
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Smith, G. A.
1
Society of American Foresters. Region VI. Technical Conference
1
Solomon, Dale S
1
Spruce Protection Symposium Bangor, Me.)
1
Titus, B. D.
1
United States Department of Agriculture. Forest Service
1
United States. Cooperative State Research Service
1
West, R. J
1
Witter, John A.
1