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gradual smooth boundary. <br />A13 28-52 inches dark grayish brown (10 YR 4/2) sandy clay loam, black <br />(10 YR 2/I) moist; moderate very fine angular blocky structure; <br />soft, friable; slightly sticky and slightly plastic; common fine, very <br />fine and medium roots; few coarse roots; non-calcareous; pH 6.7; <br />gradual smooth boundary. <br />A14 52-78 inches dark grayish brown (10 YR 4/2) sandy clay loam, black <br />(10 YR 2/I) moist; moderate very fine angular blocky structure; <br />soft, friable; slightly sticky and slightly plastic; common fine, very <br />fine and medium roots, few coarse roots; non-calcareous; pH 6.7; <br />gradual smooth boundary. <br />The surface and subsurface horizons vary in depth from 46 to 78 inches. In some <br />cases, no rock material is encountered in the 5 foot deep sample. The mollic epipedon <br />is about 40 inches deep. The soils occurring in Swale areas have stratified sands and <br />• some mottling at depths greater than 50 inches. <br />UNNAMED SERIES 51 -VERY DEEP PHASE PEDON PROFILE // <br />Loam 05-02-01-001 <br />A pedon (05-02-01-001) of the very deep phase of the Unnamed Series 51 loam, <br />8 to IS percent slope, afine-loamy Pachic Cryoboroll 2,350 feet east, 238 feet south, <br />northwest corner Section 31, T.SN R.85W at 7,290 feet elevation is: <br />AI I 0-5 inches very dark grayish brown (10 YR 3/2) loam, very dark <br />brown (10 YR 2/2) moist; weak very fine granular structure; loose, <br />loose; non-sticky and non-plastic; common fine and very fine roots; <br />non-calcareous; gradual smooth boundary. <br />A12 5-29 inches dark brown (10 YR 3/3) heavy loam, very dark grayish <br />brown (10 YR 3/2) moist; weak very fine angular blocky structure <br />breaking to very fine graunular; soft, very friable; slightly sticky <br />and slightly plostic; common fine and very fine roots; non- <br />calcareous. <br />Revised 7-81 2.3-106 <br />