Iowa Heritage Digital Collections
State Library of Iowa

Browse Items (406 total)

Grass ensilage being dumped into pit silo
Compacting grass silage with ""cat"" tractor in pit silo
Dusting corn
Corn picker 227
Harvesting corn
Researcher adjusting equipment
Researcher working with test tube samples
Working in the fields
Moving and windrowing grass
Experiment 326, representative pig #275, 1930
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