DIAGRAM XXI. 



Product and Export of Corn and Wheat. 



Avemje of Seven Years, '1877-1883, ' 1510 millions bushels. 













































































































































































































































































C 



ynsu 



mpt 



-on. 































u 





<1ZI. 



bit. 















































































































































































































































































































































1 









export — t 



<f mi 



U. b 













Wheat. 



Averag-e of Seven Years, '1877-1883,^ 436 millions bushels. 













































Cons 



imp 



ion. 















295 



mil 







































































j 



















14 



1 mi 



ll.U 



























Scale ■:—5rrulL. ~bu.~per Square. 



