The Blakeslee series consists of very deep, moderately well drained soils formed in Wisconsinan age glaciolacustrine sediments and in the underlying stratified glaciofluvial deposits on outwash plains and terraces.
Permeability is moderate or moderately rapid in the solum and rapid in the substratum.
Slope ranges from 0 to 12 percent. The thickness of the solum ranges from 25 to 55 inches. The depth to the top of the argillic horizon ranges from 7 to 15 inches. Individual horizons in the particle-size control section ranges from 15 to 30 percent clay. Depth to carbonates is greater than 80 inches.