The Stetson series consists of very deep, well drained and somewhat excessively drained soils on outwash plains, terraces, kames, and eskers. These soils formed in glaciofluvial deposits derived mainly from slate, shale and phyllite, with lesser amounts of gneiss, granite and limestone. Slope ranges from 0 to 60 percent.
Permeability is moderate or moderately rapid in the solum and rapid or very rapid in the substratum.
Mean annual temperature is about 39 degrees F, and mean annual precipitation is about 36 inches at the type location. Stetson fine sandy loam, on a 3 percent slope in a forested area. Thickness of the solum ranges from 18 to 30 inches and generally corresponds to the depth to stratified sands and gravel. Depth to bedrock is more than 60 inches. Gravel content ranges from 5 to 40 percent by volume in the solum.