These are the Beardstown , Cantril , Conover , Dundas , Manheim , Metamora , Riceville , Romulus , Schley , and Skyberg series. Beardstown soils do not have rock fragments in the lower part of the solum and are more acid. Cantril and Dundas have more clay in the lower part of the solum. Conover, Manheim, and Metamora soils have thinner sola. Riceville soils are more acid in the upper part of their sola.
Romulus soils have redder hue and thinner sola.
Schley soils are more acid. Skyberg soils have higher chroma in the lower part of the sola and are more acid. Monitor soils are on outwash plains, terraces, and valley trains. They have slopes of 0 to 3 percent. They formed in loamy outwash which is underlain by gravel and sand.