F. The frost free period ranges from about 90 to 120 days. Elevation ranges from 600 to 1950 feet. These are the Alcona , Richter , Robago , and Tonkey series. The moderately well drained Alcona soils, the somewhat poorly drained Richter and Robago soils, and the poorly and very poorly drained Tonkey soils form a drainage sequence with Annalake soils. Moderately well drained.
Surface runoff is slow or medium.
Permeability is moderate. These soils have a perched seasonal high water table at a depth of 2.5 to 3.5 feet for one month or more per year at some time from September to June in 6 or more out of 10 years. Most areas are in woodland. Native vegetation is red maple, sugar maple, yellow birch, balsam fir, paper birch, American basswood, eastern hemlock, and quaking aspen. A few areas have been cleared and are used for cropland or pastureland.