SPECIAL KINDS OF FORESTS 197 



Nevertheless, many thousands of acres of prairie in Iowa, 

 Nebraska, Kansas, and other states have been converted 

 into useful woods, supplying the much-needed shelter 

 from wind, and, at the same time, producing fuel and con- 

 struction material, fence posts, etc. 



How successful some of these plantations are is clearly 

 seen from Figs. 69 and 70. In this latter case the catalpa 



FIG. 70. The Yaggy Catalpa Plantation, in Reno County, Kansas, 

 showing Posts cut when Trees were nine Years Old 



The posts are four to six inches in diameter, and many of the trees made 

 two posts. (After Tourney) 



trees were raised in a nursery on the farm, and set out, 

 when one year old, in furrows six feet apart, at intervals 

 of three and a half feet. When two years old the trees 

 were cut off and allowed to sprout. The following winter 

 the tall sprouts were thinned, leaving only the best sprout 

 on each stump. The land was cultivated for three years 



