Page "government" Paragraph 524
from
Brown Corpus
The loss in growth of sawtimber because of damage by destructive agencies in the United States in 1952 was estimated to be about 44 billion board feet.
If it were not for the effect of destructive agencies, sawtimber growth would have been nearly twice as great as the 47 billion board feet in 1952.
About 45 percent of the loss in growth was attributable to disease, 20 percent to insects, 17 percent to fire, and 18 percent to weather, animals, and various other causes.
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