ORGANIZATION OF THE 
UNITED STATES DEPARTMENT OF AGRICULTURE 
May 10, 1929 
Secretary of Agriculture...........-------- Artuur M. Hype. 
PESRISHILME BECTON YS soa Se Hoes ee ee R. W. DUNLAP. 
Director of Scientific Work....._.....------ A. F. Woops. 
eDvrector of tegquiatory Work. <2) 2 2 WALTER G. CAMPBBLL. 
Director of Extension Work... 22-52-2222 C. W. WARBURTON. 
Director of Personnel and Business Adminis- W. W. STOCKBERGER. 
tration. 
Picrector of Information. 22 oe M.S. E1s—ENHOWER. 
Bsc Loy eee ea re pose EW ee R. W. WILLIAMs. 
RECULLCT DUTCOM ere a ee 2 SOL ee Cuaries F. Marvin, Chief. 
Eeou Of Animal i ndusiry= 2282 JoHN R. Mouter, Chief. 
Bureau of Dairy Industry_—_ 2-25-22. | O. E. Resp, Chief. 
EOUCEORLAGNG LNGUSITY 225 5 8 WiuuiAM A. Tayuor, Chief. 
Pierce Services a R. Y. Stuart, Chief. 
Bureau of Chemistry and Sotls......-----_-- H. G. Knicut, Chief. 
Be UnCUN Of EROMOLOGY <2 ise C. L. Maruart, Chief. 
Bureau of Biological Survey. _. = 2 222 sk Pau. G. Repineton, Chief. 
urea OFF woe moads2 = oe Tuomas H. MacDona.p, Chief. 
Bureau of Agricultural Hconomics_....----- Nits A. Ousen, Chief. 
Bureduo; Home Heanomics. ©. = 8 Lovisp STANLEY, Chief. 
Plant Quarantine and Control Administration. C. L. Maruatt, Chief. 
Grain Futures Admimstration___.----.---- J. W. T. Duvet, Chief. 
Food, Drug, and Insecticide Administration. Water G. CAMPBELL, Director of 
Regulatory Work, in Charge. 
Office of Experiment Stations._....--...--- BE. W. Auten, Chief. 
Office of Cooperative Extension Work___.--- C. B. Smita, Chief. 
PORTH oe en wi ee ee rere CLARIBEL R. Barnett, Librarian. 
This bulletin is a contribution from 
Beorent Service. 2.0 Vos ee ee ee R. Y. Stuart, Chief. 
Branch of. esearch “2222 5222 ees EArt H. Cuapp, Assistant Forester, 
in Charge. 
Forest Products Laboratory -------- CarLite P. Winstow, Director. 
Section of Timber Physics_...-- Rot¥F THELEN, in Charge. 
