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Last edited by Open Library Bot
December 3, 2010 | History
A looper, probably the Bruce spanworm, Operophtera bruceata (Hulst), defoliated more than 15,650 acres of quaking aspen in the Turtle Mountains of North Dakota in the spring of 1973.
Publish Date
1973
Language
English
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Subjects
Defoliation, Diseases and pests, Hardwoods, OperophteraPlaces
North Dakota, Turtle MountainsEdition | Availability |
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1
Survey of hardwood defoliation in the Turtle Mountains, North Dakota
1973, USDA Forest Service, Northern Region, State & Private Forestry
in English
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Book Details
Edition Notes
"August 1973."
Caption title.
Also issued online.
The Physical Object
ID Numbers
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Feedback?December 3, 2010 | Edited by Open Library Bot | Added subjects from MARC records. |
December 11, 2009 | Created by WorkBot | add works page |