The upper part of the control section averages 40 to 50 percent hard rock fragments and 0 to 10 percent soft pebbles. The lower part of the control section averages 40 to 60 percent rock fragments which include pebbles, channers, and cobbles. Some pedons have an a horizon and lack an A horizon. Reaction is strongly acid to slightly acid. It is very gravelly loam or very gravelly silt loam.
Reaction is moderately acid or slightly acid.
Some pedons have a BC horizon. It is very gravelly loam or very gravelly sandy loam. It is moderately acid or slightly acid. It is dense glacial till that breaks to very gravelly loam or very gravelly sandy loam. Rock fragments range from 35 to 50 percent.