The particle-size control section averages between 25 and 35 percent clay and less than 15 percent sand. The Ap or A horizon commonly is silt loam, except some eroded pedons are silty clay loam. Clay content ranges from 18 to 32 percent. Reaction is moderately acid to neutral. Clay content ranges from 15 to 25 percent.
Reaction is commonly moderately acid or slightly acid, but ranges to neutral in some pedons.
In cultivated areas the E is commonly mixed with the Ap horizon. Some pedons have an EB or BE horizon. The Bt horizon typically is silty clay loam, but some pedons contain silt loam subhorizons. Clay content ranges from 25 to 35 percent. Reaction ranges from moderately acid to neutral.