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5Published 1982“...Statistical bulletin (United States. Department of Agriculture)...”
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8Published 1980“...Statistical bulletin (United States. Department of Agriculture) ;...”
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9Published 1975“...Statistical bulletin (United States. Department of Agriculture) ;...”
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10by Lamm, R. McFall“...Technical bulletin (United States. Department of Agriculture) ;...”
Published 1981
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12by Hrubovcak, James“...Technical bulletin (United States. Department of Agriculture) ;...”
Published 1985
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14Government Document Book
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17Government Document Book
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20Government Document Serial