Relationship between trap tree felling dates and subsequent Engelmann spruce beetle attack
By: David McComb
Contributors: Forest Insect Laboratory (Missoula, Mont.); Intermountain Forest and Range Experiment Station (Ogden, Utah)
Series: Research note / Intermountain Forest and Range Experiment Station, U.S. Department of Agriculture, Forest Service -- no. 23; Research note (Intermountain Forest and Range Experiment Station (Ogden, Utah)) -- no. 23.
Publisher: Intermountain Forest and Range Experiment Station
Published: 1955
Place of publication: Ogden, Utah
Language: eng
Subjects: Control; Engelmann spruce; White pine weevil; Diseases and pests
Notes: Cover title.

"December 1955."

"Research note."