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Soils

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  • (-) Crop and Soil Science (171)
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  1. Crop Science nursery, 1950

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    "Nursery of some 22 thousand specimens"

  2. Crop Science nursery, 1950

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    "Nursery of some 22 thousand specimens"

  3. Mower equipped with swather and buncher, 1927

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    Oregon Experiment Station

  4. Horse drawn equipment and tractor, 1927

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    Oregon Experiment Station

  5. Horse drawn equipment, 1926

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    Oregon Experiment Station

  6. Horse drawn flatbed wagon, 1926

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    Oregon Experiment Station

  7. Homemade harvesting machinery, 1925

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    Horse drawn equipment, Coos County

  8. Grass cutting, Coos County, 1925

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  9. Homemade harvesting machinery, 1925

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    Horse drawn equipment, Coos County

  10. Harvesting with horse drawn equipment, 1922

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    Oregon Experiment Station

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