Loss assessment of white spruce defoliated by yellowheaded spruce sawfly on the Black Duck Ranger District, Chippewa National Forest

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040 ‡aMIN ‡cMIN
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100 1 ‡aFord, Robert P.
245 1 0 ‡aLoss assessment of white spruce defoliated by yellowheaded spruce sawfly on the Black Duck Ranger District, Chippewa National Forest / ‡cby Robert P. Ford.
260 ‡aBroomall, Pa. : ‡bUSDA Forest Service, Northeastern Area, State & Private Forestry, ‡c[1979]
300 ‡a4 p. ; ‡c28 cm.
490 0 ‡aNA-FB/M ; ‡v3
500 ‡a"August 1979."
500 ‡aAt head of title: Forest Insect & Disease Management.
500 ‡a"Evaluation report."
500 ‡aTitle from caption.
504 ‡aIncludes bibliographical references (p. 4).
538 ‡aMode of access: Internet.
650 0 ‡aWhite spruce ‡xDiseases and pests ‡xMonitoring ‡zMinnesota ‡zBlackduck Ranger District.
650 0 ‡aYellow-headed spruce sawfly ‡xMonitoring ‡zMinnesota ‡zBlackduck Ranger District.
710 1 ‡aUnited States. ‡bForest Insect and Disease Management.
710 1 ‡aUnited States. ‡bState and Private Forestry.
CID ‡a007426132
DAT 0 ‡a20100105095922.0 ‡b20111213000000.0
DAT 1 ‡a20120815122756.0 ‡b2024-02-20T19:11:33Z
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