22 19 



Issued October 21, 1911. 



U. S. DEPARTMENT OF AGRICULTURE, 



BUREAU OF SOILS CIRCULAR No. 42. 



MILTON WHITNEY, Chief of Bureau. 



SOILS OF THE EASTERN UNITED STATES AND THEIR USE XI 



THE TRINITY CLAY. 



BY 



JAY A. BONSTEEL, 



Scientist in Soil Survey. 



WASHINGTON : 



GOVERNMENT PRINTING OFFICE. 

 1911. 



