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calcareous; pH 6.5; clear smooth boundary. <br /> <br />83 40-50 inches grayish brown (10 YR 5/2) heavy clay, very dark <br />grayish brown (10 YR 5/2) heavy clay, very dark grayish brown (10 <br />YR 3/2) moist; moderate fine to very fine angular blocky structure <br />parting to very fine single grain; slightly hard, friable; sticky and <br />plastic; few fine roots; non-calcareous; pH 6.7; abrupt smooth <br />boundary. <br />CI SO-60+ inches stratified sands and cobbles, many medium distinct <br />(10 YR 4/4) mottles, tew fine roots; pH 6.6; 40-45 percent gravels <br />and cobbles. <br />The surface horizon is usually a dark grayish brown or dark brown loam about <br />5 inches thick. This pedon is located in a swaled area on an alluvial terrace above <br />Trout Creek. There are stratified sands, alluvial cobbles, and mottles below 50 inch <br />depth. <br />• UNNAMED SERIES 51 -VERY DEEP PHASE PEDON PROFILE /f <br />Loam OS-02-01-082 <br />A pedon (OS-02-01-082) of the very deep phase of Unnamed Series 51 loom, 2 to <br />8 percent slopes, afine-loamy Pachic Cryoboroll 560 feet west, 1,280 feet north, <br />southeast I/4 Section 19, T.4N R.85W at 7,320 feet elevation is: <br />AI 0-5 inches dark grayish brown (10 YR 4/2) heavy loam, very dark <br />grayish brown (10 YR 3/2) moist; moderate very fine granular <br />structure; soft, very frioble; non-sticky and slightly plastic; <br />common fine and very fine roots; non-calcareous; clear smooth <br />boundary. <br />821 5-27 inches dark grayish brown (10 Yr 4/2) sandy clay loam, black <br />(10 YR 2/I) moist; moderate fine subangular blocky structure; soft, <br />very friable; slightly sticky and slightly plastic; common tine and <br />• very fine roots; few thin clay films; non-calcareous; gradual wavy <br />boundary. <br />2.3-III <br />