NORWAY PINE IN THE LAKE STATES. 3 
stands of Norway pine in northern Minnesota. On rich, well-drained 
soil the tree has great possibilities, if given the start over its competi- 
tors. In its soil and moisture requirements, Norway pine is somewhat 
more exacting than jack pine but considerably less so than white 
pine, which requires some clay in the subsoil. It can not endure 
drought like jack pine, but grows well on sands where the better grade 
of jack pine is found. Mechanical analysis has shown typical jack- 
GENERAL RANGT OF SPECIES 
SPECIFIC LOCATIONS OF SPECIES 
DETERMINED FROM DATA COLLECTED 
BY THE FOREST SERVICE 
Fig. 1.— Distribution of Norway pine. 
pine soil to consist of 60.6 per cent coarse sand, 30.1 per cent medium 
sand, 3.3 per cent fine sand, and a scattering of fine gravel, very fine 
sand, silt, and clay. Typical Norway-pine soil is composed of 62.9 
per cent fine sand, 12 per cent medium sand, 11.5 per cent very fine 
sand, 6.7 per cent silt, 3.7 per cent coarse sand, 2.8 per cent clay, and 
0.4 per cent fine gravel. White-pine soil contains no gravel, 43.4 per 
cent very fine sand, 26.1 per cent silt, 16.2 per cent fine sand, 6.4 per 
cent clay, and 7.9 per cent coarse and medium sand. When the 
