Profile Number: 290 Series: FRISSELL Location: PIT "RED HOLE" WS 10, H.J. ANDREWS E.F. Classification: TYPIC DYSTROCHREPTS, FINE-LOAMY, MIXED, MESIC Slope: 60 % Aspect: S Elevation: 2050 ft. Landform: SMOOTH SLOPE, UPPER 1/3 Drainage: WELL DRAINED Parent Mat.: REDDISH TUFFS AND BRECCIAS Vegetation: TSHE/CACH ASOCIATION Description: FREDRIKSEN 7-1-69 (Physical and chemical data listed below profile description) O1 1.5 - 1 in. Twigs, needles, etc. (L and F layers). O2 1 - 0 in. Humus layer; abrupt and smooth boundary. A1 0 - 4 in. Reddish brown (5YR4/4) when moist shotty silt loam; moderate, medium to fine granular structure; very friable when moist, slightly sticky and slightly plastic when wet; 50% shot; abundant fine roots; clear and smooth boundary. B1 4 - 22 in. Brown (7.5YR4/4) when moist silty clay loam; moderate, fine to medium subangular blocky structure; friable when moist, slightly sticky and slightly plastic when wet; 10% stones; abundant fine roots; clear and smooth boundary. B2 22 - 26 in. Strong brown (7.5YR5/6) when moist silty clay loam; weak, fine subangular blocky structure; friable when moist, slightly sticky and plastic when wet; 10% stones; common fine roots; diffuse and broken boundary. C1 26 - 60 in. Yellowish red (5YR5/8) when moist silty clay; moderate, fine to medium subangular blocky structure; friable when moist, slightly sticky and plastic when wet; 10% weathered breccia; common fine and medium roots; diffuse and smooth boundary. C2 60 - 84 in. Yellowish red (5YR5/8) when moist stony silty clay; weak, fine to medium subangular blocky structure; firm when moist, slightly sticky and plastic when wet; 30% weathered breccia; very few roots; diffuse and smooth boundary. C3 84 - 90+ in. Matrix of strong brown (7.5YR5/6) and mottles of reddish gray (5YR5/2) when moist very stony silty clay loam; weak, fine to medium subangular blocky structure; firm when moist, slightly sticky and plastic when wet; 70% weathered breccia; no roots. 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 0.78 B1 4 - 22 0.86 B2 22 - 26 0.90 C1 26 - 60 0.85 C2 60 - 84 C3 84 - 90+ ----------------------------------------------------------------------------------------- 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 11.05 0.104 B1 4 - 22 2.08 0.051 B2 22 - 26 1.73 0.034 C1 26 - 60 0.77 0.018 C2 60 - 84 C3 84 - 90+ -----------------------------------------------------------------------------------------