Profile Number: 93 Series: FRISSELL Location: SE1/4,NW1/4,SEC.32(15S,5E)20M ESE THERMO.RS 17, H.J. ANDREWS E.F. Classification: TYPIC DYSTROCHREPTS, FINE-SILTY, MIXED, MESIC Slope: 35 % Aspect: NW Elevation: 1640 ft. Landform: PEDIMENT FOOTSLOPE Drainage: WELL DRAINED Parent Mat.: ALLUVIUM-COLLUVIUM FROM RED BRECCIA AND ANDESITE Vegetation: TSHE/RHMA/BENE ASSOCIATION Description: BROWN- REF. STAND 17, PIT 1, IBP INT. REP. 128 8-72 (Physical and chemical data listed below profile description) O11 2 - 1.5 in. Leaves, bark, cones, etc. (L). O12 1.5 - 0 in. Partly decomposed leaves, bark, etc. (F). A1 0 - 3 in. Dark brown (7.5YR3/2) when moist gravelly silt loam; weak, very fine to fine granular structure; soft when dry, very friable when moist, nonsticky and nonplastic when wet; 45% gravel and shot; clear and wavy boundary. A3 3 - 9 in. Brown (7.5YR4/4) when moist very gravelly silty clay loam; weak, fine granular and weak, fine subangular blocky structure; very friable when moist, slightly sticky and slightly plastic when wet; 50% gravel (few shot) and cobbles,few pumice gravel; clear and irregular boundary. 2B1 9 - 14 in. Brown (7.5YR4/4) when moist gravelly silty clay loam; moderate, fine to medium subangular blocky structure; friable when moist, slightly sticky and plastic when wet; 20% gravel and cobbles,few pumice grains; gradual and wavy boundary. 2B21 14 - 19 in. Brown (7.5YR4/4) when moist silty clay loam; moderate, fine to medium subangular blocky structure; friable when moist, slightly sticky and plastic when wet; 15% gravel, few pumice grains; clear and wavy boundary. 2B22 19 - 34 in. Brown (7.5YR4/4) when moist gravelly silty clay loam; moderate, fine to medium subangular blocky structure; friable when moist, sticky and plastic when wet; 20% gravel and cobbles,few pumice grains; clear and wavy boundary. 2B3 34 - 44 in. Brown (7.5YR4/4) when moist gravelly silty clay loam; weak, medium subangular blocky structure; friable when moist, sticky and plastic when wet; 30% gravel and cobbles, few pumice grains; gradual and wavy boundary. 2C 44 - 75+ in. Brown (7.5YR4/4) when moist gravelly silty clay loam; massive structure; friable when moist, sticky and plastic when wet; 35% gravel and cobbles,few pumice gravel and charcoal. 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 - 3 0.8 28.0 49.5 22.6 A3 3 - 9 0.8 26.9 47.6 25.6 2B1 9 - 14 2B21 14 - 19 2B22 19 - 34 0.9 15.4 49.8 34.8 2B3 34 - 44 2C 44 - 75+ 0.8 20.0 47.6 32.4 ----------------------------------------------------------------------------------------- Chemical Profile Data ----------------------------------------------------------------------------------------- Horizon Depth Ph O.M. Total N P CEC K Ca Mg Na Base Sat. (in) (%) (%) (ppm) -------------- meq/100g ----------------- ----------------------------------------------------------------------------------------- A1 0 - 3 5.0 11.3 0.28 33.4 26.2 0.3 1.5 0.3 A3 3 - 9 5.0 7.0 0.24 17.0 25.2 0.3 1.5 0.3 2B1 9 - 14 5.4 2.0 0.10 7.8 21.9 0.4 2.6 0.9 2B21 14 - 19 5.4 1.8 0.08 2.6 23.0 0.4 3.6 1.3 2B22 19 - 34 5.4 1.0 0.05 1.5 21.8 0.3 3.6 2.1 2B3 34 - 44 5.5 0.5 0.03 2.2 19.2 0.3 2.4 1.4 2C 44 - 75+ 5.2 0.7 0.04 2.1 18.0 0.3 1.4 1.0 -----------------------------------------------------------------------------------------