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Start Over Topic Agriculture Genre Charts (Graphic documents)

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Photographic display of a chart showing monthly labor requirements for growing tobacco in Franklin County, N.C.

Photographic display of a chart showing monthly labor requirements for growing tobacco in Franklin County, N.C.

Photographic representation of a chart showing an increase in the cigarettes smoked per year in the United States from 1925 to 1953

Photographic representation of a chart showing an increase in the cigarettes smoked per year in the United States from 1925 to 1953

Photographic representation of a graph showing the rise in lung cancer in the United States from 1933 to 1948

Photographic representation of a graph showing the rise in lung cancer in the United States from 1933 to 1948

Photos of and charts on mechanical device

Photos of and charts on mechanical device

Archival folder with 14 pages

Plant growth study, 1965

Plant growth study, 1965

Archival folder with 43 pages

Plot data from fertilization studies, 1960

Plot data from fertilization studies, 1960

Archival folder with 27 pages

Requirements of Various Methods for the Planting of Row Crops chart

Requirements of Various Methods for the Planting of Row Crops chart

Sources of phosphate 1940

Sources of phosphate 1940

Studies on leaf temperature and plant size variance, 1960

Studies on leaf temperature and plant size variance, 1960

Archival folder with 37 pages

Study on date of planting, 1960

Study on date of planting, 1960

Archival folder with 46 pages

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