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PERCENT2OF 
GROWING STOCK REMOVED 
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Ficure 12.—Percent of the growing stock (trees 5.0 inches d.b.h. and larger) removed as commodity drain in Florida, by 
county, 1948. 
Trends in the Timber Supply 
In general, timber volumes by major species groups 
decreased throughout the State after the first Forest 
Survey in 1934-36 (fig. 13). The total volume of 
growing stock 5.0 inches and larger declined by 9 
percent, saw-timber volume by 17 percent.’ In spite 
° Excludes volume of 12-inch hardwood trees, which were 
not considered saw timber at the time of the first Forest 
Survey. 
of the intensive use of pine in relation to the supply, 
pine volumes in general have not suffered as much 
as cypress and hardwoods. For the State as a whole, 
total pine volume dropped only 4 percent compared 
to 14 percent for cypress and 15 percent for hard- 
woods. Pine saw-timber volume declined 9 percent, © 
while cypress decreased 18 percent and hardwoods 
36 percent. 
Pine saw-timber volume in Northeast and North- 
18 Forest Resource Report No. 6, U. S. Department of Agriculture 
