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Volume 14, Number 1 (1977)

Issue date: April 1977

Front Matter

Editorial

Articles

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A Solar Water Heater
John Bridgenell

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Some High School Biology Electives
James H. Meyer and Robert Nelson

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Aging Iowa Trees
Roger Q. Landers

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Parsimonious Education
Darrell D. Young

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Purebred?
Wilmer J. Miller

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Iowa ASSIST: Outreach Foci
Daniel S. Sheldon

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More Snow Jobs
Paul Joslin

Back Matter