ORGANIZATION OF THE 

 UNITED STATES DEPARTMENT OF AGRICULTURE 



December 10, 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 Work C. W. Warburton. 



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

 t ration. 



Director of Information M. S. Eisenhower. 



Solicitor C. E. Winter. 



Weather Bureau Charles F. Martin, Chief. 



Bureau of Animal 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- Lee A. Strong, 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 ; , Chief. 



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



Library Claribel R. B arnett, Librarian. 



This inventor} 7 is a contribution from 



Bureau of Plant Industry William A. Taylor, Chief. 



Office of Foreign Plant Introduction Knowles A. Ryerson, Principal 



Horticulturist, in Charge. 

 34 



U. S. GOVERNMENT PRINTING OFFICE: 1929 



For sale by the Superintendent of Documents, Washington, D. C. - - - - - Trice 10 cents 



