United States. State and Private Forestry.
Identifiers
- Open LibraryOL4526680A
Top Subjects
- Forest products -- Oregon (1)
- Forestry law and legislation -- Oregon (1)
- Canker-worms (1)
- Aerial spraying and dusting in agriculture -- North Dakota (1)
- Siberian elm -- Diseases and pests (1)
Books by United States. State and Private Forestry.
Total count: 2
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Guide to regulations affecting harvesting and marketing forest products, State of OregonU.S. Forest Service, Region 61960-01-01
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An evaluation of day and night aerial Bt applications for cankerworm control in Siberian elm shelterbeltsDept. of Agriculture, Forest Service, Northern Region, State and Private Forestry1979-01-01