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