ORGANIZATION OF THE 

 UNITED STATES DEPARTMENT OF AGRICULTURE 



Mav 14, 1930 



Secretary of Agriculture Arthur M. Hydb. 



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. 

 tration. 



Director of Information M. S. Eisenhower. 



Solicitor E. L. Marshall. 



Weather Bureau Charles F. Marvin, 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. M arlatt, 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. Barnett, Librarizrk. 



This publication is a contribution from 



Bureau of Animal Industry John R. Mohler, Chief. 



Zoological Division Maurice C. Hall, Principal Zoolo- 

 gist, Chief. 

 12 



D. 8. GOVERNMENT PRINTINS OFF<«*:<«««- 



