ORGANIZATION OF THE 
UNITED STATES DEPARTMENT OF AGRICULTURE. 
September 2, 1924. 
Secretary of Agriculture Henry C. Wallace. 
Assistant Secretary i_ Howard M. Goee. 
Director of Scientific Work K. D. Ball. 
Director of Regulatory Work Walter G. Campbell. 
Director of Extension Work C, W. Warbl-rton. 
Solicitor R. W Williams. 
Weather Bureau Charies F. Marvin. Chief. 
Bureau of Agricultural Economics Henrt C. Taylor. Chief. 
Bureau of Animal Industry Job^> R. Mohler. Chief. 
Bureau of Plant Industry William A. Taylor. Chief. 
Forest Service W. B. Geeeley. Chief. 
Bureau of Chemistry 0. A. Bboavxe, Chief. 
Bureau of Soils Milton Whitney. Chief. 
Bureau of Entomology L. O. Howaed. Chief. 
Bureau of Biological Survey B. W. Xelson, Chief. 
Bureau of Public Roads Thomas H. MacDonald. Chief. 
Bureau of Home Economics Louise Stanley. Chief. 
Bureau of Dairying C. W. Larson, Chief. 
Fixed Sitrogen Research Laboratory F. G. Cotteell. Director. 
Office of Experiment Stations E. W. Allen, Chief. 
Office of Cooperative Extension Work C. B. Smith, Chief. 
Office of Publications L. J. Haynes, Director. 
Library Claeibel R. Baenett, Librarian. 
Federal Horticultural Board C. L. Maelatt, Chairman. 
Insecticide and Fungicide Board J. K. Haywood, Chairman. 
Packers and Stockyards Administration 1 Chester Morrill, Assistant to the 
Grain Futures Administration | Secretary. 
This bulletin is a contribution from 
Bureau of Soils Milton Whitney, Chief. 
Division of Soil Chemical Investigations. P. L. Gile, in charge. 
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