Clay content ranges from 25 to 45 percent and content of fine sand or coarser ranges from 15 to 40 percent. Texture is dominantly clay loam but the range includes loam, silty clay loam, silty clay, or silt loam. Content of rock fragments ranges from 1 to 5 percent. 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.