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RANGE IN CHARACTERISTICS: Depth to free carbonates range from 30 to 65 <br /> inches. The mollic epipedon thickness ranges from 24 to 60 inches. Typically the upper <br /> colluvim contains less than 2 percent gravel by volume and the lower part contains 2 to 6 <br /> percent gravel by volume of mixed lithology. <br /> The A horizons have hue of 10YR or is neutral,value of 2 or 3, and chroma of 0 to 2. <br /> Typically it is loam or clay loam, but silt loam or silty clay loam are within the range. It <br /> has coatings of clean sand and silt particles in the lower part of the A horizon in some <br /> pedons. It is moderately acid to neutral. <br /> The Btg horizon has hue of 10YR,2.5Y,or 5Y, value of 2 to 4,and chroma of 1 or 2. It is <br /> clay loam,silty clay loam high in sand,or loam. It has between 25 and 35 percent clay <br /> and 15 to 35 percent fine sand and coarser. It has B/A clay ratios of 1.2 to 1.4. It has few <br /> to many, faint to prominent clay films. It is moderately acid to neutral. <br /> The C horizon has hue of a 2.5Y or 5Y,value of 4 to 6, chroma of 1 or 2. It is loam or <br /> clay loam. It is slightly alkaline or moderately alkaline.The clay content ranges from 18 <br /> to 32 percent and the total sand content ranges from 25 to 45 percent. <br /> COMPETING SERIES: These are the \I';1d111, Lialli_, Het 111��, lil,�01,:.1‘w, <br /> l3tII1tI11V1 MIH�_l.lt�_I111:1. t � I���. A;!, I'i�I4�li It1, J,IIIIC.t(u11, ��lUt tl����, Allllx!1i)1 <br /> and \\,e,tlaud soils.The Alvada series(Tentative - OH) is not in the <br /> OSD file at this time. The Barry, Berville, Brookston, Cordova,Marengo, Millgrove, <br /> Navan, Rensselaer,and Westland soils have a mollic epipedon that is less than 24 inches <br /> thick.The Buntingville soils have carbonates at depths of less than 20 inches. The <br /> Clackamas and Nosoni soils lack free carbonates in the series control section. <br /> The Forestcity soils have 45 to 65 percent sand and 10 to 18 percent clay in the <br /> underlying material. The .1.1ino,,to\\II soils formed in a firm and very firm till associated <br /> with the Iowan Erosional surface. <br /> GEOGRAPHIC SETTING: Hamel soils have concave slopes in swales, rims of closed <br /> depressions, foot and toe slopes,and upper drainageways below sloping to very steep <br /> slopes. Slope gradients are 1 to 4 percent. Hamel soils formed in slope colluvium and <br /> glacial till of Late Wisconsinan Age. Mean annual air temperature is about 45 to 48 <br /> degrees F. Mean annual precipitation is about 25 to 30 inches. Frost free days range from <br /> 1 25 to 165. Elevation above sea level ranges from 700 to 1600 feet. <br /> GEOGRAPHICALLY ASSOCIATED SOILS: These are principally the and <br /> 1 e til soils.These soils are well drained and are on the higher lying, gently sloping to <br /> very steep slopes. <br /> DRAINAGE AND PERMEABILITY: Poorly drained and somewhat poorly drained. <br /> Surface runoff is low or moderately low.Permeability is moderately slow. The apparent <br /> seasonal high water table is at.5 to 1.5 feet for the poorly drained phase and 1.5 to 2.5 <br /> feet for the somewhat poorly drained phase during spring in normal years. <br /> USE AND VEGETATION: Most of this soil is cropped to corn, hay, soybeans,and <br /> small grains. However, significant areas are in pasture and forest.Native vegetation is <br /> mixed wet prairie grasses and deciduous forest. <br />