> 
Modern Business Geography 
LAs 
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1” 
5 
» 
TE. 
IMPIR. 
ANC 
— 
Wk 
or 
WORLT 
NHT- 
CT.CAGE 
-—CGENTS In 
WORLD PRODUCT. 
3.813.010.000 BUSHF! 
x 
¥ 
WORLD 
CORN (MAIZE) 
ACREAGE 
“OT REPRESENTS 100.000 ACRE! 
Mh 
v 
WORLD PRODUCTION 
3.950,375.000 BUSHELS 
es 
~ 
| 
PS 
” 
- 
—~—— 
‘NORLD 
OA" S 
ACREAGE 
1 DOT REPRESENTS 100,000 ACRE 
ov 
vy 
7 
WORLD fF RODUCTIOR 
4.375.727.0000 BUSHELS 
Figs. 38, 39, 40. Mankind depends on wheat, corn, oats, rice, barley, and millet for its chief 
foods. Comparing the maps of the production of these six grains with Figure 176 (page 284), 
we see that population tends to concentrate where grain can be grown.