one-third of the 57,300 acres of clear-cut condition 

 is in the mixed oak-mixed hardwood type. This 

 type is found almost entirely on the terrace, where 

 small scattered individual farm ownerships abound. 

 Here fuel-wood cuttings, grazing, and fires have 

 caused a larger proportion of clear-cut land to be 

 in this type than elsewhere in the unit. 



The nonproductive forest does not occur in large 

 and continuous areas, but is in small islands scat- 

 tered throughout the forest. Nonproductive areas 

 in the overcup oak-bitter pecan type are commonly 

 occupied by planer tree and privet; in the cypress- 

 tupelo type, by buttonbush; and in the cottonwood- 

 willow type, by malformed noncommercial willow. 



Tree Size-Class Distribution 



A general concept of the character of the hard- 

 wood forest of the unit can best be obtained 

 through a study of table 6 (for more detail see 

 tables 18 and 19 in the appendix), which gives the 

 number of trees, by diameter-class groups, ■^ in four 

 forest conditions. Broadly speaking, the forest 

 is made up of cull trees and good trees. Cull trees 



5 The survey recognizes 2-inch diameter classes; as for 

 example, the 14-inch class whose limits are 13 and 14.9 

 inches. 



Figure 4. — Second-growth sawlog-size partly cut stand of the 

 water-oak type. The large central tree is about to be Jelled 



Figure 5. — Second-growth under sawlog-size stand of the red gum-water oak type 



15 



