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unit is found in Sections 30 and 31, T.SN R.85 W at 6,600 to 8,100 feet elevation. • Typically, the surface horizon is a very dark grayish brown, heavy friable loam about 5 inches thick. It has weak fine subangular blocky structure parting to very fine single grain. The upper portion of the subsoil is a very dark grayish brown clay loam. It is very friable and extends to about 24 inches. The lower portion of the subsoil is about 22 inches thick. It is a very dark gray, heavy clay loam. This horizon overlies interbeds of sandstone and shale with seams of coal at 46 inches. The pedon is non-calcareous throughout. UNNAMED SERIES 51 - DEEP PHASE TYPIC PEDON PROFILE // Sandy Loam 05-02-01-019 A typical pedon (05-02-01-019) of the Unnamed Series 51 sandy loam-deep phase, 8 to 15 percent slopes, a fine-loamy Pachic Cryoboroll 1,720 feet east, 250 feet south, northwest corner Section 31, T.SN R.85 W at 7,298 feet elevation is: Al 0-5 inches very dark grayish brown (10 Yr 3/2) heavy loam, very • dark brown (10 YR 2/2) moist; weak very fine subangular blocky structure parting to very fine single grain; loose, very friable non- sticky; slightly plastic; common fine, very fine and medium roots; non-calcareous; gradual smooth boundary. 62 5-24 inches very dark grayish brown (10 YR 3/2) clay loam, black (10 YR 2/ I ) moist; moderate very fine angular blocky structure; slightly hard, very friable; slightly sticky and slightly plastic; common fine and very fine roots, few medium and coarse roots; non-calcareous; gradual smooth boundary. B3 24-46 inches very dark gray (10 YR 311) heavy clay loam; black (10 Yr 2/I) moist; moderate medium angular blocky structure; soft, very friable; slightly sticky and slightly plastic; few medium and fine roots; non-calcareous; 30 percent gravels; abrupt smooth boundary. . R 46+ inches sandstone and shale interbedded, coal seams. 2.3-99