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Forests
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Drake, L. E.
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Tunnock, Scott
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United States. Forest Service. Northern Region. State & Private Forestry
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1. [Article] Survey of insect and disease conditions in forests and shelterbelts, North Dakota, 1977
Aerial and ground surveys to detect and evaluate forest insect and disease conditions in North Dakota were made during June 1977 by personnel from the U.S. Forest Service, Forest Insect and Disease Management ...Citation