These soils formed in dense glacial till.
Permeability is moderate in the solum and slow or very slow in the dense substratum.
Slope ranges from 3 to 45 percent. Mean annual temperature is about 39 degrees F, and mean annual precipitation is about 43 inches at the type location. Chesuncook silt loam, on a 9 percent northeast-facing slope in a very stony forested area. 45 degrees 22 minutes 27 seconds N. and long. 69 degrees 43 minutes 16 seconds W., NAD 27.