— KEY — 



2000 AND OVER 



000-/999 

 500-999 

 100-499 



I I UNDER 100 



riEH tlAMPSniPt Agricuctubai. 

 EsPERIrttMT STAXrOtl, 



Durham , tl.tt. 



Figure 3. Annual grain-feed requirements in tons for laying hens, 



by towns, 1950. 



