Bul. 1495, U. S. Dent. of Agriculture PLATE 7 
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ep POLAR IMEI! 
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A. Jack pine 60 years old resulting from clear cutting Norway pine in Wisconsin. Note the red pine 
in the left foreground. With partial cutting the proportion of this pine in the second growth 
may increase 
B. A partial cutting in a black spruce stand in northern Minnesota. There has been no slash disposal 
