Profile Number: 21 Series: FRISSELL Location: SHORT DISTANCE UP S-FACING SLOPE ABOVE WS 2 FL., H.J. ANDREWS E.F. Classification: TYPIC DYSTROCHREPTS, FINE-LOAMY, MIXED, MESIC Slope: 70 % Aspect: SW Elevation: 2000 ft. Landform: SMOOTH SLOPE, LOWER 1/3 Drainage: WELL DRAINED Parent Mat.: REDDISH TUFF AND BRECCIA Vegetation: TSHE/ACCI/POMU ASSOCIATION Description: DYRNESS- SAMPLED PROFILE 38 7-63 (Physical and chemical data listed below profile description) O1 1.5 - 0 in. Needles, twigs, cones, etc.. A1 0 - 4 in. Very dark brown (10YR2/3) when moist silty clay loam; weak, fine to medium granular structure; very friable when moist, sticky and slightly plastic when wet; 15% fine gravel; clear and wavy boundary. AC 4 - 10 in. Brown (10YR4/3) when moist clay loam; moderate, fine subangular blocky structure; friable when moist, sticky and plastic when wet; 10% andesite and breccia fragments; gradual and smooth boundary. C1 10 - 20 in. Brown (10YR4/3) when moist silty clay loam; moderate, fine subangular blocky breaking to fine to coarse granular structure; friable when moist, sticky and slightly plastic when wet; 20% gravel and andesite stones; clear and wavy boundary. C2 20 - 31 in. Yellowish brown (10YR5/4) when moist silty clay loam; weak, fine to medium subangular blocky structure; firm when moist, sticky and plastic when wet; 20% weathered tuff gravel; clear and wavy boundary. 2C1 31 - 50 in. Dark brown (7.5YR3/4) when moist stony clay loam; weak, fine to medium subangular blocky structure; very friable when moist, sticky and plastic when wet; 40% andesite gravel and cobbles; diffuse and irregular boundary. 2C2 50 - 70 in. Dark brown (7.5YR3/4) when moist stony silty clay loam; moderate, fine to medium angular blocky structure; friable when moist, sticky and plastic when wet; 60% andesite, thin,discontinous clay skins; clear and wavy boundary. 2C3 70 - 80+ in. Dark yellowish brown (10YR3/4) when moist stony silty clay loam; weak, medium subangular blocky structure; friable when moist, sticky and plastic when wet; 60% andesite cobbles and stones. Physical Profile Data ----------------------------------------------------------------------------------------- Horizon Depth Density Sand Silt Clay Percolation Moisture Tension (% H2O, dry wt.) (in) (g/cc) (%) (%) (%) (in/hr) 1/3 atm 1 atm 5 atm 15 atm ----------------------------------------------------------------------------------------- A1 0 - 4 18.5 49.4 32.2 42.3 39.4 34.9 11.4 AC 4 - 10 21.3 47.7 31.1 39.5 36.0 31.3 21.4 C1 10 - 20 16.6 50.7 32.8 39.1 36.1 31.8 25.9 C2 20 - 31 17.8 49.3 33.0 40.8 36.0 31.8 23.9 2C1 31 - 50 24.2 38.9 36.9 32.9 29.3 25.9 17.4 2C2 50 - 70 15.6 49.7 34.7 33.7 29.4 26.6 28.4 2C3 70 - 80+ ----------------------------------------------------------------------------------------- Chemical Profile Data ----------------------------------------------------------------------------------------- Horizon Depth Ph O.M. Total N P CEC K Ca Mg Na Base Sat. (in) (%) (%) (ppm) -------------- meq/100g ----------------- ----------------------------------------------------------------------------------------- A1 0 - 4 5.6 6.12 0.1355 7.43 51.65 AC 4 - 10 5.8 3.48 0.0974 2.49 41.45 C1 10 - 20 5.7 1.83 0.0581 2.49 41.35 C2 20 - 31 5.6 0.81 0.0369 1.24 41.05 2C1 31 - 50 5.7 0.91 0.0365 0.83 22.55 2C2 50 - 70 5.7 0.53 0.0286 1.65 34.70 2C3 70 - 80+ -----------------------------------------------------------------------------------------