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Livros eletrónicos
Two Trends of Great Agricultural Significance
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A Graphic Summary of Farm Animals and Animal Products: (based Largely on the Census of 1930 and 1935)
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A Graphic Summary of Physical Features and Land Utilization in the United States
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A Graphic Summary of the Number, Size, and Type of Farm, and Value of Products: (based Largely on the Census of 1930 and 1935)
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A Graphic Summary of Farm Machinery, Facilities, Roads, and Expenditures: Based Largely on the Census of 1930 and 1935
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Population Trends and the National Welfare: Facts and Observations as to Rural-urban Migration and a Declining Birth-rate
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The Outlook for Rural Youth
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Land Utilzation in the United States: Geographical Aspects of the Problem, Volume 13, Issue 1
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Three Chapters in Land Utilization
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A Graphic Summary of Farm Crops: (based Largely on the Census of 1930 and 1935)
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Changes in the Utilization of Land in the United States, 1919-1924: A Preliminary Report
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A Graphic Summary of Farm Labor and Population: Based Largely on the Census of 1930 and 1935
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Land Utilization and the Farm Problem
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Geography of the World's Agriculture
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Seedtime and Harvest Today
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A Graphic Summary of World Agriculture
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A Graphic Summary of American Agriculture
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Soil Survey of Fond Du Lac County, Wisconsin: Issues 37-40
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A Graphic Summary of the Value of Farm Property: (based Largely on the Census of 1930 and 1935)
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