Profile Number: 312 Series: CARPENTER Location: RS 23, PIT 2, H.J. ANDREWS E.F. Classification: Slope: 50 % Aspect: NE Elevation: 3220 ft. Landform: SMOOTH SLOPE, LOWER 1/3 Drainage: WELL DRAINED Parent Mat.: ANDESITE COLLUVIUM Vegetation: ABAM/VAAL/COCA ASSOCIATION Description: NORGREN & DYRNESS 9-14-95 O1 4 - 3 in. Twigs, needles, etc. (L and F layers). O2 3 - 0 in. Black (10YR2/1) when moist humus layer; abundant roots; abrupt and smooth boundary. A1 0 - 6 in. Dark brown (10YR3/3) when moist gravelly loam; moderate, coarse granular structure; slightly hard when dry, friable when moist, nonsticky and nonplastic when wet; 25% gravel and cobbles; abundant fine and medium, common coarse roots; gradual and wavy boundary. A3 6 - 16 in. Dark yellowish brown (10YR4/4) when moist gravelly heavy loam; moderate, fine subangular blocky breaking to weak, coarse granular structure; slightly hard when dry, friable when moist, nonsticky and nonplastic when wet; 25% gravel and cobbles; abundant fine and medium, common coarse roots; clear and wavy boundary. B2 16 - 34 in. Dark brown (7.5YR3/3) when moist very stony clay loam; moderate, fine subangular blocky structure; slightly hard when dry, friable when moist, nonsticky and slightly plastic when wet; 25% gravel and cobbles, 25% stones; common fine and medium, few coarse roots; gradual and wavy boundary. B3 34 - 45+ in. Dark yellowish brown (10YR4/4) when moist stony light silty clay loam; massive structure; hard when dry, firm and brittle when moist, nonsticky and slightly plastic and smeary when wet; 25% gravel and cobbles, 30% stones; few fine and medium roots.