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The progress in forest entomology and protection against forest insects : from "A national plan for American forestry" : a report prepared by the Forest service, U.S. Department of Agriculture, in response to S. Res. 175 (72d Congress)

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By: United States. Bureau of Entomology. Division of Forest Insects.

Publication info: Washington, U.S. Govt. Print. Off, 1933

Holding Institution: U.S. Department of Agriculture, National Agricultural Library