Yellow Birch and the Adirondack Lorest 25 
FIGURE 2 
Height growth of red spruce for last twelve years, on trees one to ten feet 
high twelve years ago. 
Curve 1— One hundred and fifty-three trees in northern Herkimer County, 
grown under sixty-year old dense pole stand of yellow birch. 
Curve 2-— Ninety-three trees on 12.2 acres near Wanakena—logged eleven 
years ago and now competing with second growth hardwoods. 
