| 11. | Most of the soil surveys published before 1910 were strongly influenced by these concepts.
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| 12. | Another factor has had an immense impact on soil survey, especially during the 1960s.
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| 13. | Marbut became Director of the Soil Survey Division in 1913.
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| 14. | The soil surveys revealed no evidence of toxic dumping.
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| 15. | The land-grant universities from the very start were close partners in National Cooperative Soil Survey.
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| 16. | The early vision of soil survey was a survey that combined geography with soil chemistry.
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| 17. | The Bureau was then abolished and Kellogg became head of the USDA soil survey program.
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| 18. | Soil Taxonomy : A Basic System of Soil Classification for Making and Interpreting Soil Surveys.
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| 19. | In 1934, the Soil Survey Committee was organized by the Secretary of Agriculture and Commerce.
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| 20. | World War II interrupted the activities and the Soil Survey Division was among those abolished.
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