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• EXHIBIT 16 <br />SOIL MAPPING UNIT DESCRIPTIONS <br />1--Tanks loam, 0 to 2 percent slopes. This mapping unit consists of <br />deep, poorly drained, level to nearly level soils forming on floodplains. <br />These soils are forming in medium and moderately coarse textured mixed <br />alluvium. They occur along Fish Creek. <br />The mapping unit is composed of approximately 85 percent Tonks Series. <br />Included in the mapping unit are approximately 10 percent Aquic Cryoborolls <br />and 5 percent Pachic Cryoborolls. <br />Typically, the Tonks soils have a very dark gray loam surface layer <br />12 inches thick and gray loam and sandy loam substratum 48 inches thick. Some <br />pedon have gravelly strata below 50 inches. Depth to a seasonal high water <br />table is estimated to be about 12 inches. <br />Permeability is moderate, and the available water capacity is moderate. <br />Effective rooting depth is 40 or more inches. Surface runoff is ponded. <br />2--Outlet - Slocum Taxajunct Complex, 0 to 2 percent slopes. This <br />mapping unit consists of deep, somewhat poorly drained, level to nearly level <br />soils forming on floodplains and low terraces. These soils are forming <br />predominately in medium and moderately fine textured mixed alluvium. They <br />occur along Fish Creek. <br />The mapping unit is composed of approximately 50 percent Outlet Series <br />and 35 percent Slocum Taxajunct soils. Slocum Taxajunct soils differ from <br />Slocum soils as they are in the fine-silty family. Inc]uded in the mapping <br />are approximately 10 percent Tonks Soils and 5 percent Pachic Cryoborolls. <br />The sails in the mapping unit do not occur in an identifiable geographic <br />sequence. <br />Typically the Outlet soils have a very dark grayish brown silt loam <br />. surface layer 12 inches thick, a dark grayish brown loam subsoil 13 inches <br />thick and a dark grayish brown and dark gray loam and sandy loam substratum <br />Ex. 16-1 <br />