THE TRINITY CLAY. . 13 



of improvement, the resultant value of the reclaimed areas has been 

 demonstrated by territory now under cultivation to be about double 

 the expense involved. 



Whenever additional areas of cotton land in the South are required 

 the embankment and drainage of the Trinity clay should provide 

 hundreds of thousands of acres of the best cotton land in the alluvial 

 bottoms of the States where the type occurs. 



The Trinity clay is stiff, plastic, and difficult to work, and the light- 

 weight animals and machinery usually employed are scarcely ade- 

 quate for its proper tillage. Heavier work stock and disk machinery 

 are to be recommended for the working of this type. 



Approved. 



JAMES WILSON, 



Secretary of Agriculture. 



WASHINGTON, D. C., July 12, 1911. 



