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Damage to the wood of fire-killed Douglas fir, and methods of preventing losses, in western Washington and Oregon

by: Hopkins, A. D. (Andrew Delmar), 1857-1948; United States. Bureau of Entomology; United States. Dept. of Agriculture

Publication date: 1912

Topics: Douglas fir, Forest insects, Wood borers, Wood Preservation

Publisher: Washington, D.C. : U.S. Dept. of Agriculture, Bureau of Entomology

Collection: usda-circularentomology; usdanationalagriculturallibrary; fedlink; americana; biodiversity

Contributor: U.S. Department of Agriculture, National Agricultural Library

Language: English

Rights: The contributing institution believes that this item is not in copyright.

Volume: ser.2:no.159

Caption title

Circular No. 159

"Issued July 27, 1912."

At head of title: United States Department of Agriculture, Bureau of Entomology

Requisites for success in preventing losses -- Classes of insects and injury. pp. 2

Conditions governing the work of insects of the different classes -- General methods of control -- Condition A. pp. 3

Condtiion B -- Merchantable timber dead three to five years -- Merchantable timber dead six to ten years or longer. pp. 4