Reaction is strongly acid to neutral. Clay content ranges from 15 to 37 percent and content of fine sand or coarser ranges from 20 to 40 percent. Texture is clay loam or loam. Content of rock fragments ranges from 1 to 10 percent. Reaction is neutral to moderately alkaline.
Carbonates are present in some pedons.
Passport is the only series in this family. Passport soils are on dissected parts of the Illinoian till plain. Slopes range from 2 to 18 percent. The loamy materials are in a stratigraphic position between the Wisconsinan age Peoria loess and the underlying Sangamon paleosol. They consist of a mixture of Peoria loess, Roxana Silts, pedisediments, and till.