Tunbridge soils are associated where bedrock is at a depth of 20 to 40 inches. Other geographically associated soils are the Adams , Berkshire , and Colton soils. Adams and Colton soils are in glaciofluvial sand and gravel deposits. The competing Berkshire soils are on associated till plains, but lack a dense substratum. Runoff is medium to rapid.
Permeability is moderate in the layers above the substratum and slow in the substratum.
Woodlots contain sugar maple, American beech, black ash, white ash, hop hornbeam, eastern hemlock, red oak, and eastern white pine. The Adirondack Mountains of New York and Vermont. The series is moderately extensive. Hamilton County, New York, 1979. The type location is moved with this draft.