The aspen borer and how to control it / by George Hofer.

"Poplars, aspens and cottonwoods, which are widely distributed over the United States are everywhere subject to serious injury by wood-boring insects. One of the chief of these is the aspen borer, which feeds in the trunks or larger branches, so weakening the wood that the tree is readly broke...

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Bibliographic Details
Main Author: Hofer, George
Format: Government Document Book
Language:English
Published: Washington, D.C. : U.S. Dept. of Agriculture, 1920.
Series:Farmers' bulletin (United States. Department of Agriculture) ; no. 1154.
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Call Number: A 1.9:
A 1.9: (1151-1175 1920-1921) Available Place a Hold