The Masardis series consists of very deep, somewhat excessively drained soils formed in glaciofluvial deposits on outwash plains, terraces, deltas and eskers.
Permeability is moderately rapid in the loamy cap and rapid or very rapid below.
Slope ranges from 0 to 80 percent. Mean annual temperature is about 41 degrees F, and mean annual precipitation is about 44 inches at the type location. Masardis gravelly fine sandy loam on an 11 percent southeast-facing slope in a wooded area. 45 degrees 11 minutes 29 seconds N. and long. 69 degrees 27 minutes 52 seconds W., NAD.27.