Iowa Heritage Digital Collections
State Library of Iowa

Browse Items (406 total)

Earl Heady and Howard Madsen looking at CARD Report 39 that they authored together, 1972.
Key figures in the Center for Agricultural and Economic Development, 1966
Key figures in the Center for Agricultural and Economic Development, 1966
Two researchers examining an object in a laboratory, with an inset photo of a man with four baby pigs
Agricultural education lecturer speaking to a class of adult men, 1966.
Equipment prepared for soil testing
Two researchers taking measurements with equipment in a field, with pigs in the background.
Leo V. Mayer standing by Earl O. Heady, 1966
Two men talking by a piece of farm equipment
Two men talking by a low wire fence
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