The Charlton series consists of very deep, well drained loamy soils formed in till. They are nearly level to very steep soils on till plains and hills. Slope ranges from 0 to 50 percent.
Permeability is moderate or moderately rapid.
Mean annual temperature is about 50 degrees F., and mean annual precipitation is about 47 inches. Charlton fine sandy loam - forested, very stony. Thickness of the solum ranges from 20 to 38 inches. Depth to bedrock is commonly more than 6 feet. Rock fragments range from 5 to 35 percent by volume to a depth of 40 inches and up to 50 percent below 40 inches.