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Profile No. 4CW <br />Classification: <br />Series :DELSON <br />Phase :Deep <br />Location NW,NE,SE,NW Sec.23, Township 135, Range 91W <br />This is a deep, moderately well drained (Class 3) loamy soil which <br />occurs on basalt colluvium in slumps and slides on a slope of 9 percent <br />at an elevation of 7200 ft and an aspect of 90 degrees. The soil is <br />formed from basalt, has no outcrops (rockiness class 0), and less than <br />3X coverage of basalt boulders (stoniness class 2). The soils <br />permeability is moderate (permeability class 4) with moderate runoff <br />(runoff class 3) and no groundwater. Water has caused slight erosion <br />(water erosion class 1) on the soil. The climate is semi arid. The <br />dominant vegetation is Gambel oak, serviceberry and adapted grasses. <br />A 0-6 inches. Dark brown (10 YR 4/3) loam, dark yellowish brown <br />(10 YR 3/2) moist; weak very fine granular subangular blocky <br />primary structure; soft, very friable, non sticky and <br />slightly plastic; non calcareous; non alkaline (pH 6.1); non <br />saline (EC 0.30 mmhos/cm); clear wavey boundary. <br />B 6-24 inches. Dark brown (10 YR 3/3) loam, black (10 YR 2/1) <br />moist; strong coarse subangular blocky primary structure; <br />hard, friable, sticky and slightly plastic; non calcareous; <br />• non alkaline (pH 6.1); non saline (EC 0.22 mmhos/cm); clear <br />smooth boundary. <br />C 24-60+ inches. Dark yellowish brown (10 YR 4/2) loam, very <br />dark grayish brown (10 YR 3/2) moist; moderate medium <br />subangular blocky primary structure; slightly hard, friable, <br />sticky and plastic; non calcareous; non alkaline (pH 6.3); <br />non saline pEC 0.15 mmhos/cm). <br /> <br />12 <br />