OF DELAWARE, MARYLAND, AND VIRGINIA 



Figure 1. 



□ 



A Hay 



| I Soybean 



I 1 Tobacco 



I I Other 



Data for I96S 



Data from 



Maryland State 



Board ol Agriculture 

 Virginia Oept. of 



Agriculture & Common 



Prepared by Daniel Higman 

 Smithsonian Institution 



