FB 21 i 

 GIFT 



Issued January 16, 1912. 



U. S. DEPARTMENT OF AGRICULTURE, 



BUREAU OF SOILS CIRCULAR No. 50. 



MILTON WHITNEY, Chief of Bureau. 



SOILS OF THE EASTERN UNITED STATES AND THEIR DSE-XXVIL 



THE HOUSTON BLACK CLAY. 



JAY A. BONSTEEL, 



Scientist in Soil Survey. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 

 1912. 



