A NATION-WIDE SURVEY 



To determine the importance of butter as a source of vitamin 

 A in the diet of the people of the United States, a Nation-wide 

 survey was made by the Bureau of Dairy Industry and the Office 

 of Experiment Stations, Agricultural Research Administration, 

 United States Department of Agriculture, in cooperation with 

 20 State agricultural experiment stations. 



Cooperating Agencies and Project Leaders 



Alabama W, D. Salmon 



California G. A. Richardson 



Idaho D. R. Theophilus and O. E. Stamberg 



Indiana B. E. Horrall 



Iowa E. W. Bird 



Kansas J. S. Hughes and W. H. Martin 



Louisiana E. A. Fieger 



Maryland C. W. England 



Minnesota L. S. Palmer and Robert Jenness 



Mississippi Marvin Gieger 



Montana J- A. Nelson 



Nebraska I. L. Hathaway 



New York (Cornell) B. L. Herrington 



North Carolina W. J. Peterson 



Ohio W. E. Krauss 



Oregon J. R. Haag 



Pennsylvania R. A. Dutcher and N. B. Guerrant 



Washington U. S. Ashworth and Margaret McGregor 



Wisconsin W. H. Peterson 



Wyoming H. S. Willard 



Bureau of Dairy Industry. . . H. G. Wiseman and W. A. Turner 

 Washington, D.C. Issued July 1945 



IV 



