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Windsor East Mine, Exhibit I – Soils Information September 2022 <br /> P a g e 2 | 2 <br />Kim loam, 1 to 3 percent slopes <br />This is a deep, well drained soil on smooth plains and alluvial fans at elevations of 4,900 to 5,250 feet. It formed <br />in mixed eolian deposit and parent sediment from a wide variety of bedrock. Included in mapping are sma ll areas <br />of soils that have loamy sand underlying material. <br />Typically the surface layer is brown and pale brown loam about 12 inches thick. The upper 28 inches of the <br />underlying material is pale brown loam. The lower part to a depth of 60 inches is pal e brown fine sandy loam. <br />Permeability is moderate. Available water capacity is high. The effective rooting depth is 60 inches or more. <br />Surface runoff is medium, and the erosion hazard is low. <br /> <br />Nunn loam, 0 to 1 percent slopes <br />This is a deep, well drained soil on terraces at elevations of 4,550 to 5,000 feet. It formed in mixed alluvium. <br />Included in mapping are small, long and narrow areas of sand and gravel deposits and small areas of soil that are <br />subject to occasional flooding. Some small leveled areas are also included. <br />Typically the surface layer of this Nunn soil is grayish brown loam about 12 inches thick. The subsoil is light <br />brownish gray clay loam about 12 inches thick. The upper part of the substratum is light brownish gray clay loam. <br />The lower part to a depth of 60 inches is brown sandy loam. <br />Permeability is moderately slow. Available water capacity is high. The effective rooting depth is 60 inches or <br />more. Surface runoff is slow, and the erosion hazard is low. <br />