Loss assessment of white spruce defoliated by yellowheaded spruce sawfly on the Black Duck Ranger District, Chippewa National Forest /
by Robert P. Ford.

Description

Main Author

Ford, Robert P.

Related Names

United States. Forest Insect and Disease Management.
United States. State and Private Forestry.

Language(s)

English

Published

Broomall, Pa. : USDA Forest Service, Northeastern Area, State & Private Forestry, [1979]

Subjects

White spruce > White spruce / Diseases and pests > White spruce / Diseases and pests / Monitoring > White spruce / Diseases and pests / Monitoring / Minnesota > White spruce / Diseases and pests / Monitoring / Minnesota / Blackduck Ranger District.
Yellow-headed spruce sawfly > Yellow-headed spruce sawfly / Monitoring > Yellow-headed spruce sawfly / Monitoring / Minnesota > Yellow-headed spruce sawfly / Monitoring / Minnesota / Blackduck Ranger District.

Note

"August 1979."
At head of title: Forest Insect & Disease Management.
"Evaluation report."
Title from caption.

Physical Description

4 p. ; 28 cm.

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