Profile Number: 288 Series: FRISSELL Location: PIT 10-3-6+87 IN WS 10, H.J. ANDREWS E.F. Classification: TYPIC DYSTROCHREPTS, FINE-LOAMY, MIXED, MESIC Slope: 35 % Aspect: W Elevation: 1950 ft. Landform: SMOOTH SLOPE, MIDDLE 1/3 Drainage: WELL DRAINED Parent Mat.: REDDISH TUFFS AND BRECCIAS Vegetation: TSHE/RHMA/GASH ASSOCIATION 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. Black humus layer; abrupt and smooth boundary. A1 0 - 4 in. Pinkish gray (7.5YR6/2) when dry, dark brown (7.5YR3/2) when moist shotty silt loam; moderate, fine to medium subangular blocky breaking to fine granular structure; friable when moist, nonsticky and nonplastic when wet; 25% shot; clear and smooth boundary. B1 4 - 16 in. Pinkish gray (7.5YR6/2) when dry, brown (7.5YR4/2) when moist shotty silt loam; moderate, fine to medium granular structure; friable when moist, nonsticky and nonplastic when wet; 50% shot; clear and smooth boundary. B2 16 - 30 in. Pinkish gray (7.5YR6/2) when dry, 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; 10% stones; gradual and irregular boundary. C 30 - 60+ in. Light yellowish brown (10YR6/4) when dry, yellowish brown (10YR5/6) when moist stony silty clay; moderate, fine to medium subangular blocky structure; friable when moist, slightly sticky and slightly plastic when wet; 40% weathered breccia fragments. 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 .86 B1 4 - 16 .94 B2 16 - 30 1.02 C 30 - 60+ .91 ----------------------------------------------------------------------------------------- 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 16.72 0.200 B1 4 - 16 5.09 0.121 B2 16 - 30 1.50 0.038 C 30 - 60+ 1.08 0.029 -----------------------------------------------------------------------------------------