| http://www.w3.org/ns/prov#value | - The photographs relate primarily to the cultivation of corn in the United States, but also in Mexico and other locations in Latin America, 1920-42 (CC). 54.6 Photographic prints taken by J. E. McMurtrey and others and mounted in albums to record various stages in the cultivation of tobacco, and to document light and nutrition experiments on various plants, including tobacco.
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