F. Mean annual precipitation ranges from 30 to 34 inches. These are the competing Chelsea soils and the Clinton , Fayette , and Seaton soils. Clinton, Fayette, and Seaton soils are very low in sand and have more clay in the Bt horizon. These soils are on similar landscape positions. Surface runoff is medium to rapid.
Permeability is moderately rapid.
Lamont soils are used for pasture and woods and some cropland. Corn, oats, and grass-legume meadows are grown. Native vegetation was oak-hickory forest. Lamont soils are of moderate extent. Jefferson County, Iowa, 1957.