Reaction ranges from slightly acid to slightly alkaline. In some pedons this horizon is designated as a Btg horizon. It is silty clay loam, silt loam, or silty clay. Average clay content ranges from 26 to 42 percent. Clay content of individual subhorizons ranges from 24 to 45 percent.
Reaction ranges from slightly acid to moderately alkaline.
Danielson soils average more than 10 percent sand in the lower one-third of the control section. Clamo and Zoe soils have carbonates within a depth of 39 inches. Okoboji soils average more than 10 percent sand in the particle size control section. Woods Cross soils lack B horizons and are dry in all parts of the soil moisture control section for more than 30 days during the 120 days following the summer solstice. They are in areas that receive 14 to 18 inches average annual precipitation.