52 FOREST RESOURCES; PRINCIPAL TREES AND REGIONS 



b.f., whereas lumber production fell off in 1932 to about 10 billion b.f. 

 or 26% of the average, and no doubt other forms of forest products 

 decreased more or less proportionately. Furthermore, growth is con- 



1 Total for all commodities 



2 Lumber 



3 Fuelwood 



4 Hewed ties 



5 Fence posts 



6 Pulpwood 



7 Mine timbers (round) 



8 Veneer logs 



9 Logs and bolts in manufacture 



10 Shingles 



1 1 Slack staves 



12 Tight staves 



Miscellaneous 



Per Cent 



100 

 50.8 

 27.6 



4.4 



4.3 



4.0 



1.6 



1.6 



1.0 



0.9 



0.7 



0.6 



1.5 



ID O ID 



r^ m c\j o r^ 



< <N CO OO 



^5 CD CD CD CD CD CD 



LO CD LO cp to c5 LO 

 cvj o r^. to CM 



i^") ^5 LO c5 LO 

 " 



Millions of Cubic Feet 



FIG. 28. Graph showing the normal consumption of forest products by principal 



commodities. 



stant or increasing in volume whereas the trend of per capita con- 

 sumption of forest products has for several years been downward. 



The table on p. 51 shows the amount of timber cut expressed 

 in the units customarily used for each form of forest product as well 

 as converted to a cubic foot basis based upon an average for the five 

 years 1925 to 1929, inclusive. 



