30 
CIR. 211, U. S. DEPT. OF AGRICULTURE 
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‘oy: a) OMY 
Pe 
Evecano f 
— 
mSOUTH DAKOT 
Maan a 
~ gy lpree! NE 
Rou AF = =—t 
5 a §otoran0 
FicguRE 16.—Nationa : 
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