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• Kim soil is a deep, well drained soil formed in alluvium with slopes of <br />2 to 10 percent. Typically, the surface layer is pale brown loam about <br />4 inches thick. The substratum to a depth of 60+ inches is loam. The <br />soil is moderately alkaline. Permeability is moderate. Available water <br />capacity is high. Runoff is slow to rapid. The possibility of erosion <br />is slight to high. The Cascajo soil is a deep, excessively drained soil <br />formed in gravelly and sandy alluvium. Slope is 10 to 15 percent. <br />Typically, the surface layer is very dark grayish brown, very gravelly <br />sandy loam about 6 inches thick. The upper 15 inches of the substratum <br />is extremely cobbly sandy loan. The lower part to a depth of 60 inches <br />is extremely cobbly sand. The soil is moderately alkaline. Permeability <br />is moderately rapid to rapid. Available water capacity is very low. <br />Runoff is medium to rapid. The danger of erosion is moderate to high. <br />The potential plant community is grassland. The area is used for <br />rangeland. <br />• # 54 Lakehelen - Rock Outcrop comalex. This unit consists of about 45 <br /> percent Lakehelen soil, 35 percent Rock outcrop, 10 percent deep Cold <br /> Creek very gravelly sandy loam and 10 percent shallow Wetmore very <br /> gravelly sandy loam. The Lakehelen soil is a moderately deep, well <br /> drained soil formed in colluvium and residuum derived dominantly from <br /> gneiss and granite. The surface layer is pale brown, very gravelly fine <br /> sandy loam about 5 inches thick over light brown, extremely gravelly sandy <br /> loam about 10 inches thick. The subsoil is extremely gravelly loam about <br /> 8 inches thick. Fractured gneiss is found at a depth of 23 inches. Slope <br /> is 45 to 70 percent. The soil is neutral to a depth of 5 inches, slightly <br /> acidic to a depth of 15 inches, and neutral below that depth. <br /> Permeability is moderate. Available water capacity is very low. Runoff <br /> is rapid and the erosion hazard is high. Rock outcrops are mainly short <br /> cliffs, ledges and crags consisting of gneiss or granite. Cliffs are 20 <br /> to 75 feet high and slope is 45 to 80 percent where not vertical. The <br /> potential plant community is mainly Douglas fir with an understory of <br /> native evergreen shrubs. The unit is used for watershed, wildlife habitat <br />• and recreation. <br /># 56 Larkson stony loam. This deep, well drained soil found on fan <br />terraces was formed in alluvium and colluvium derived mainly from <br />2.04.9-8 <br />