Iowa Heritage Digital Collections
State Library of Iowa

Browse Items (406 total)

Equipment prepared for soil testing
Agricultural education lecturer speaking to a class of adult men, 1966.
Two researchers examining an object in a laboratory, with an inset photo of a man with four baby pigs
Key figures in the Center for Agricultural and Economic Development, 1966
Key figures in the Center for Agricultural and Economic Development, 1966
Earl Heady and Howard Madsen looking at CARD Report 39 that they authored together, 1972.
Four men observing a tractor with extra equipment performing work on the soil in a field, for a Rural Minister Short Course., 1961.
Gaylord Worden, Earl O. Heady, and  Leroy Blakeslee of the Center for Agricultural and Economic Development, 1966.
Woman researcher transferring colored fluids between beakers and petri dishes with pipette
One-story frame building used by Agriculture Experiment Station
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