Iowa Heritage Digital Collections
State Library of Iowa

Browse Items (406 total)

Leo V. Mayer standing by Earl O. Heady, 1966
Two researchers taking measurements with equipment in a field, with pigs in the background.
Equipment prepared for soil testing
Two researchers examining an object in a laboratory, with an inset photo of a man with four baby pigs
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.
One-story frame building used by Agriculture Experiment Station
Brick silo used by Agriculture Experiment Station.
Barn, corn crib, electrical tower and animals on an Agriculture Experiment Station farm in the winter.
Plowed road passing a snow-covered farm with farmhouse and swine
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