Indexing western spruce budworm activity through radial increment analysis
By: Clinton E. Carlson, Ward W. McCaughey
Contributors: McCaughey, Ward W; Intermountain Forest and Range Experiment Station (Ogden, Utah); Canada/United States Spruce Budworms Program
Series: Research paper INT -- 291
Publisher: U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station
Published: 1982
Place of publication: Ogden, Utah
Language: eng
Number of pages: 10
Subjects: Western spruce budworm -- Montana
Notes: "Canusa, Canada United States Spruce Budworms Program."

"May 1982."

Bibliography: p. 10