ORGANIZATION OF THE 
UNITED STATES DEPARTMENT OF AGRICULTURE 
June 23, 1926 
Secretary of Agriculture ;. W. M. Jabdine. 
Assistant Secretray 1 ., R. W. Dunlap. 
Director of Scientific Work 
Director of Regulatory Work Waltee G. Campbell. 
Director of Extension Work C. W. Wabbubton. 
Director of Information ^=.__^ . Nelson Anteim Cbawfobd. 
Director of Personnel and Business Adminis- 
tration W. W. Stockbebgeb. 
Solicitor , R. W. Williams. 
Weather Bureau Chables F. Maevin. Chief. 
Bureau of Agricultural Economics Lloyd S. Tenny, Acting Chief. 
Bureau of Animal Industry . John R. Mohlee, Chief. 
Bureau of Plant Industry William A. Taylob, Chief. 
Forest Service ■ W. B. Gbeeley, Chief. 
Bureau of Chemistry C. A. Bbowne, Chief. 
Bureau of Soils Milton Whitney, Chief. 
Bureau of Entomology - L. O. Howabd, Chief. 
Bureau of Biological Survey . E. W. Nelson. Chief. 
Bureau of Public Roads Thomas H. MacDonald, Chief. 
Bureau of Home Economics Louise Stanley, Chief. 
Bureau of Dairying C. W. Laeson, Chief. 
Fixed Nitrogen Research Laboratory F. G. Cottbell, Director. 
Office of Experiment Stations E. W. Allen, Chief. 
Office of Cooperative Extension Work C. B. Smith, Chief. 
Library Claeibel R. Baenett, Libraria 
Federal Horticultural Board - O. L. Mablatt, Chairman. 
Insecticide and Fungicide Board J. K. Haywood, Chairman. 
Packers and Stockyards Administration John T. Caine, in Charge* 
Grain Futures Administration J. W. T. Duvel, in Charge. 
This bulletin is a contribution from 
Bureau of Soils . Milton Whitney, Chief. 
