SOIL PROFILE DESCRIPTIONS (con.) 

 Unit 19. — Typic Cryoboroll (fine mixed) (con.) 



B21tb 



55-71 



Red (lOR 5/6) clay, red (lOR 4/6) moist; moderate coarse angular 

 blocky breaking to moderate fine subangular blocky structure; 

 extremely hard, very firm, very sticky, very plastic; common thin 

 clay films on ped faces, in pores, and as bridging; plentiful medium 

 roots; few medmm and fme pores; neutral (pH 7.0). 



B22tb 



71-80 



Red (lOR 5/6) clay, red (lOR 4/6) moist; strong coarse angular 

 blocky structure; very hard, very firm, very sticky, very plastic; com- 

 mon moderately thick clay films on ped faces and as bridging; 

 neutral (pH 7.0). 



CI 



80-95 



Light red (lOR 6/6) silty clay loam, red (lOR 4/6) moist; massive; 

 very hard, firm, sticky, and plastic. 



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