Date: | 1930 |
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Description: | International Harvester Agricultural Extension exhibit set up at the Harvester Men's Club picnic at the I.H.C. Experimental Farm. Includes educational book... |
Date: | |
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Description: | Map of U.S. divided by county, marked with dots, each representing 50,000 BU wheat in 1840. |
Date: | |
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Description: | Map of U.S. wheat production, divided by county, marked with dots, each representing 50,000 BU wheat in 1900. |
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