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- Curtis_F._Marbut abstract "Curtis Fletcher Marbut (1863–1935) served as Director of the Soil Survey Division from 1913 until his death in 1935. Marbut developed the first formal soil classification scheme for the United States.Marbut was born and raised in Barry County, Missouri. He obtained a Bachelor of Science from the University of Missouri in 1889 and a Master of Arts degree from Harvard University in 1894. (He never sat for his final PhD exams at Harvard). Marbut taught Physiography and Geology at the University of Missouri from 1895 until 1910, and also worked for the Missouri Geologic Survey and directed the Missouri Soil Survey.In 1910, Marbut went to work as a Soil Scientist in the Bureau of Soils of the U.S. Department of Agriculture, where he continued until his death in 1935. Marbut became Director of the Soil Survey Division in 1913. Marbut died of pneumonia in 1935 while en route to an assignment in China advising the Chinese Geological Survey on organizing a Soil Survey.As a geologist and geographer his initial view was that soils were surface reflections of the geology below them. Marbut changed to recognize soil science as distinct from geology. Eugene W. Hilgard of the University of California and Hopkins of the University of Illinois greatly influenced this change. The land-grant universities from the very start were close partners in National Cooperative Soil Survey. By 1920, most soil surveyors were graduates of land-grant universities and other agricultural colleges with training in soils and crops.In 1920 Marbut began his work on a soil classification scheme. In 1927 he published a translation of Glinka's The Great Soil Groups of the World and their Development from German to English. His classification scheme became the 1935 system that was modified to become the system published in the 1938 Yearbook of Agriculture, Soils and Men: the 1938 USDA soil taxonomy. At the highest level of classification the soils were divided into pedocals and pedalfers. Pedocals were used in the drier climates and referred to the carbonate rich soils. The Pedalfers began about at the Udic border and referred to soils rich in Aluminum (Alumen) and Iron (Ferrous). Alfer became the root term for Alfisols.".
- Curtis_F._Marbut birthDate "1863".
- Curtis_F._Marbut birthYear "1863".
- Curtis_F._Marbut deathDate "1935".
- Curtis_F._Marbut deathYear "1935".
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- Curtis_F._Marbut wikiPageWikiLink Barry_County,_Missouri.
- Curtis_F._Marbut wikiPageWikiLink Category:1863_births.
- Curtis_F._Marbut wikiPageWikiLink Category:1935_deaths.
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- Curtis_F._Marbut wikiPageWikiLink Category:University_of_Missouri_faculty.
- Curtis_F._Marbut wikiPageWikiLink Eugene_W._Hilgard.
- Curtis_F._Marbut wikiPageWikiLink Harvard_University.
- Curtis_F._Marbut wikiPageWikiLink History_of_soil_science.
- Curtis_F._Marbut wikiPageWikiLink National_Cooperative_Soil_Survey.
- Curtis_F._Marbut wikiPageWikiLink Pedalfer.
- Curtis_F._Marbut wikiPageWikiLink Pedocal.
- Curtis_F._Marbut wikiPageWikiLink Physical_geography.
- Curtis_F._Marbut wikiPageWikiLink Physiography.
- Curtis_F._Marbut wikiPageWikiLink U.S._Department_of_Agriculture.
- Curtis_F._Marbut wikiPageWikiLink United_States_Department_of_Agriculture.
- Curtis_F._Marbut wikiPageWikiLink University_of_Missouri.
- Curtis_F._Marbut wikiPageWikiLinkText "C. F. Marbut".
- Curtis_F._Marbut wikiPageWikiLinkText "Curtis F. Marbut".
- Curtis_F._Marbut wikiPageWikiLinkText "Curtis Fletcher Marbut".
- Curtis_F._Marbut dateOfBirth "1863".
- Curtis_F._Marbut dateOfDeath "1935".
- Curtis_F._Marbut hasPhotoCollection Curtis_F._Marbut.
- Curtis_F._Marbut name "Marbut, Curtis F.".
- Curtis_F._Marbut shortDescription "American scientist".
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- Curtis_F._Marbut description "American scientist".
- Curtis_F._Marbut description "American scientist".
- Curtis_F._Marbut subject Category:1863_births.
- Curtis_F._Marbut subject Category:1935_deaths.
- Curtis_F._Marbut subject Category:American_scientists.
- Curtis_F._Marbut subject Category:Articles_created_via_the_Article_Wizard.
- Curtis_F._Marbut subject Category:Deaths_from_pneumonia.
- Curtis_F._Marbut subject Category:Harvard_University_alumni.
- Curtis_F._Marbut subject Category:People_from_Barry_County,_Missouri.
- Curtis_F._Marbut subject Category:Presidents_of_the_Association_of_American_Geographers.
- Curtis_F._Marbut subject Category:University_of_Missouri_alumni.
- Curtis_F._Marbut subject Category:University_of_Missouri_faculty.
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- Curtis_F._Marbut comment "Curtis Fletcher Marbut (1863–1935) served as Director of the Soil Survey Division from 1913 until his death in 1935. Marbut developed the first formal soil classification scheme for the United States.Marbut was born and raised in Barry County, Missouri. He obtained a Bachelor of Science from the University of Missouri in 1889 and a Master of Arts degree from Harvard University in 1894. (He never sat for his final PhD exams at Harvard).".
- Curtis_F._Marbut label "Curtis F. Marbut".
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- Curtis_F._Marbut givenName "Curtis F.".
- Curtis_F._Marbut isPrimaryTopicOf Curtis_F._Marbut.
- Curtis_F._Marbut name "Curtis F. Marbut".
- Curtis_F._Marbut name "Marbut, Curtis F.".
- Curtis_F._Marbut surname "Marbut".