ORGANIZATION OF THE 

 UNITED STATES DEPARTMENT OF AGRICULTURE 



March 6, 1929 



Secretary of Agriculture Arthur M. Hyde. 



Assistant Secretary R. W. Dunlap. 



Director of Scientific Work A. F. Woods. 



Director of Regulatory Work Walter G. Campbell. 



Director of Extension C. W. Warburton. 



Director of Personnel and Business Admin- W. W. Stockberger. 

 istration. 



Director of Information M. S. Eisenhower. 



Solicitor R. W. Williams. 



Weather Bureau Charles F. Marvin, Chief. 



Bureau of Animial Industry John R. Mohler, Chief. 



Bureau of Dairy Industry O. E. Reed, Chief. 



Bureau of Plant Industry William A. Taylor, Chief. 



Forest Service R. Y. Stuart, Chief. 



Bureau of Chemistry and Soils H. G. Knight, Chief. 



Bureau of Entomology C. L. Marlatt, Chief. 



Bureau of Biological Survey Paul G. Redington, Chief. 



Bureau of Public Roads Thomas H. MacDonald, Chief. 



Bureau of Agricultural Economics Nils A. Olsen, Chief. 



Bureau of Home Economics Louise Stanley, Chief. 



Plant Quarantine and Control Administration. C. L. Marlatt, Chief. 



Grain Futures Administration J. W. T. Duvel, Chief. 



Food, Drug, and Insecticide Administration—. Walter G. Campbell, Director of 



Regulatory Work, in Charge. 



Office of Experiment Stations E. W. Allen, Chief. 



Office of Cooperative Extension Work C. B. Smith, Chief. 



Library Clarlbel R. Barnett, Librarian. 



This inventory is a contribution from 



Bureau of Plant Industry William A. Taylor, Chief. 



Office of Foreign Plant Introduction Knowles A. Ryerson, Senior 



Horticulturist, in Charge. 



52 



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