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<br /> <br />1 <br />1 <br /> <br />SOILS INFORMATION <br />EXHIBIT I <br />The soil type found in the vicinity of the existing gravel pit mining operation has been <br />mapped and identified by the Natural Resources Conservation Service (formerly known as <br />the Soils Conservation Service) as Aqua Fria cobbly loam, I S to 60% slopes, and mapped <br />as unit 40E. <br />' This deep, well drained soil is on structural benches, mesas and alluvial fans. It formed in <br />residuum and alluvium derived dominantly from sedimentary and igneous rocks. The <br />native vegetation is mainly trees, shrubs and grasses. Elevation is 6000 to 7200 feet. <br />Typically the surface layer is brown cobbly loam 4 inches thick. The subsoil is reddish <br />brown clay loam 14 inches thick. The substratum to a depth of 60 inches or more is pink <br />' loam. In some areas the surface layer is loam. <br />Included in this unit are small areas of Curecanti and Sunburst. Also included are small <br />' areas of soils with more than 35% coarse fragments in the control section. Included areas <br />make up about I S% of the total acreage. <br />' Permeability of this Aqua Fria soil is moderately slow. Available water capacity is high. <br />Effective rooting depth is 60 inches or more. Runoff is medium to rapid, and the hazard of <br />' water erosion is very high. This unit is used for livestock grazing and wildlife habitat. <br />This map unit is capability subclass VIIe, nonirrigated. It is in Loamy Foothills range site. <br />' See Soils Interpretation Record and Soils Map on the following pages. <br />1 <br /> <br />1 <br /> <br />1 <br /> <br />1 <br />