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You searched for: Start Over Topic Spraying and dusting in agriculture Remove constraint Topic: Spraying and dusting in agriculture Local Collection Name Harriet's Photograph Collection, 1868-1996 (P HC) Remove constraint Local Collection Name: Harriet's Photograph Collection, 1868-1996 (P HC)

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1. Tobacco being grown for spray material
Tobacco being grown for spray material
Description
Branch experiment station in Astoria, Oregon.
2. Testing the efficiency of orchard and plant sprays
Testing the efficiency of orchard and plant sprays
Oregon State University Libraries University of Oregon Libraries