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GROUND-WOOD PULP. 3 
In 1911, 1,229,719 tons of mechanical pulp were produced, an increase 
of approximately 50,000 tons. 
While the industry has developed very rapidly in the United 
States, the rate of development has not kept pace with the rate of 
consumption of the product. This is evident from a consideration 
of the imports and exports of both mechanical and chemical pulp 
over a period of years, as shown in figures 2 and 3. Figure 2 shows 
the imports of mechanical pulp, both free and dutiable, by months 
for a period of years, while figure 3 (curve 6) shows the imports of 
mechanical pulp by years. The first of these curves is particularly 
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Fic. 1.—Average contract prices for news-print paper 1878-1912. 
interesting, because it shows the seasonal fluctuation of imports. 
Figure 3 (curve A) shows the imports and exports of wood pulp, 
both mechanical and chemical. The increase in the amount of pulp 
imported 1 is very marked, while the exports are comparatively small. 
It is evident from these curves that considerably more pulp will have 
to be manufactured at home before there can be any material expan- 
sion into the export trade. 
Spruce furnishes by far the greater part of the wood at present 
used for mechanical pulp. Of the 1,314,141 cords consumed in the 
United States by the mechanical process in 1911, spruce supplied 
1,121,703 cords, or 85 per cent, 822,743 cords of which were native 
