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Front Matter

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Scientific Concentrates
W. C. Croxton

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Rhythm In Blossoming
C. O. Rosendahl and A. O. Dahl

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Soil Erosion Demonstration Areas In Southern Minnesota
R. H. Davis

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The Shelterbelt Project
J. M. Aikman

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A Configurational Approach To Sound
Alfred R. Root

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Utilization of Some Farm Wastes
Chas A. Mann

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Science And Rubber Trees
E. C. Stakman

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Back Matter