Reaction is strongly acid to slightly acid. Clay content is 20 to 32 percent. Rock fragments range from a few pebbles to 14 percent. Reaction is strongly acid to slightly acid. Rock fragments range from 2 to 12 percent.
Reaction is neutral or slightly alkaline.
Clay content is 8 to 15 percent. Rock fragments range from 3 to 12 percent. Reaction is slightly alkaline or moderately alkaline. Free carbonates are present. These are the Argyle , Baltimore , Bassett , Blooming , Cadmus , Caleb , Dowagiac , Dunbridge , Gara , Glenhall , Koronis , Lester , Longlois , Lydick , Mohawk , Neda , Newcomer , Octagon , Oneco , Orwood , Racine , Razort , Taopi , Waucoma , and Winneshiek series.