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Creator United States. Department of Agriculture Remove constraint Creator: United States. Department of Agriculture Subject United States. Department of Agriculture Remove constraint Subject: United States. Department of Agriculture

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    • 1950s

    Portrait of agricultural economist Gae Adamson Bennett (b. 1917). While working for the United States Department of Agriculture Economic Research Service, Bennett co-authored numerous volumes on agricultural production…

    • circa 1926

    Exhibition display concerning the fixation of atmospheric nitrogen at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C. The display includes several diagrams depicting…