Spinks soils are coarser textured. Marlette soils are finer textured. Owosso soils have a finer textured substratum than Remus soils. Marlette, Owosso, and Spinks soils are on similar topographic positions as Remus soils. Potential surface runoff is negligible to very high depending on the slope.
Permeability is moderately slow.
A large portion of the gentle slopes are cultivated. Corn, alfalfa, and small grain are the principal crops. Other areas are in woodland. The central portion of lower Michigan. The series is of moderate extent.