The Glynwood series consists of very deep soils that are generally moderately deep to dense till. They are moderately well drained soils formed in loamy till of high lime content with a thin layer of loess in some areas. These soils are on till plains and moraines thought to be of Wisconsin age.
Permeability is slow.
Slope ranges from 0 to 40 percent but is typically 2 to 18 percent. Glynwood silt loam on a 2 percent convex slope in a cultivated field at an elevation of 854 feet. 40 degrees 36 minutes 00 seconds N. and long. 84 degrees 18 minutes 57 seconds W., NAD 27. Depth to the base of the argillic horizon ranges from 15 to 42 inches.