Damage to the wood of fire-killed Douglas fir, and methods of preventing losses, in western Washington and Oregon
By: A. D. Hopkins
Contributors: United States. Bureau of Entomology; United States. Dept. of Agriculture
Series: Circular / U. S. Dept. of Agriculture. Bureau of Entomology -- no. 159.; Circular (United States. Bureau of Entomology) -- no. 159.
Publisher: U.S. Dept. of Agriculture, Bureau of Entomology
Published: 1912
Place of publication: Washington, D.C
Language: eng
Subjects: Wood borers; Wood; Douglas fir; Preservation; Forest insects
Notes: Caption title.

Circular No. 159.

"Issued July 27, 1912."

At head of title:  United States Department of Agriculture, Bureau of Entomology.
Table of contents: title: Requisites for success in preventing losses; title: Classes of insects and injury. pp. 2.; title: Conditions governing the work of insects of the different classes; title: General methods of control; title: Condition A. pp. 3.; title: Condtiion B; title: Merchantable timber dead three to five years; title: Merchantable timber dead six to ten years or longer. pp. 4.