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You searched for: Format Still image Remove constraint Format: Still image Original Format Black and white print (photograph) Remove constraint Original Format: Black and white print (photograph) Repository Special Collections Research Center at NC State University Libraries Remove constraint Repository: Special Collections Research Center at NC State University Libraries Decade Undated Remove constraint Decade: Undated Subject Teaching demonstrations Remove constraint Subject: Teaching demonstrations Subject Fertilizers Remove constraint Subject: Fertilizers Subject Agricultural extension work Remove constraint Subject: Agricultural extension work Topic Agriculture Remove constraint Topic: Agriculture
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