32 
BULLETIN 1296, U. S. DEPARTMENT OF AGRICULTURE 
O 
Hours 
10.71 
12.81 
12.66 
13.08 
14.14 
i 12. 91 
15.87 
14.04 
18.87 
18.63 
19.89 
25.03 
22.54 
22.00 
25.32 
35.66 
29.08 
3 18. 06 
16.60 
19.09 

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