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fine and very fine roots, few medium and coarse roots; slightly • colcareous; pH 6.7; 20 percent gravels and cobbles. R 47-63+ inches sandstone. The subsoil of this pedon differs slightly from the series description in that the texture is a sandy clay loam and the substratum contains a greater percentage of clay. About 20 percent gravels and cobbles are intermixed above the sandstone bedrock material. Bedrock is encountered at about 47 inches. The pedon is situated in a draw and the vegetation appears more lush. Unnamed Series 51 -Very Deep Phase The Unnamed series 51 -very deep phase consists of very deep, moderately well- drained, loamy soils. They form in sandstone residuum on moderately sloping to moderately steep draws, side-slopes of draws and swales. This unit occurs in Sections 19, 30 and 31, T.SN R.85 W at 7,000 to 8,100 feet elevation. Typically, the surface horizon is a dark grayish brown loam about 5 inches. It • is a dark grayish brown sandy clay loam. UNNAMED SERIES 51 -VERY DEEP PHASE TYPIC PEDON PROFILE l~ Sandy Loam 05-02-01-025 A typical pedon (05-02-01-025) of Unnamed series 51 -very deep phase, 8 to 15 percent slopes, a fine-loamy Pachic Cryoboroll 1,585 feet east, 85 feet north, southwest corner Section 19, T.SN R.85W at 7,065 feet elevation is: A I I 0-5 inches dark grayish brown (10 Y 2/2) loam, very dark brown (10 YR 2/2) moist; moderate fine to very fine subangular block structure; raft, very friable; slightly sticky and non-plastic; many fine, very fine and medium roots; few coarse roots; non-calcareous; pH 6.5; gradual smooth boundary. A12 5-28 inches dark grayish brown (10 YR 4/2) sandy clay loom, black (10 YR 2/I) moist; moderate very fine angular blocky structure; • soft, friable; slightly sticky and slightly plastic; common fine, very fine and medium roots; few coarse roots; non-calcareous; pH 6.6; 2.3-104