Profile Number: 79 Series: CARPENTER Location: NE1/4,SW1/4,SEC.13(15S,5E)20M NNE NW COR.RS 3, H.J. ANDREWS E.F. Classification: TYPIC DYSTROCHREPTS, LO-SKEL, MIXED, FRIGID Slope: 18 % Aspect: NW Elevation: 3116 ft. Landform: SL. CONCAVE PED. FOOTSLOPE Drainage: WELL DRAINED Parent Mat.: ALLUVIUM-COLLUVIUM AND/OR GLACIAL TILL (ANDESITE) Vegetation: TSHE-ABAM/LIBO ASSOCIATION Description: BROWN- REF. STAND 3, PIT 1, IBP INT. REP. 128 6-72 (Physical and chemical data listed below profile description) O11 2.5 - 1.5 in. Needles, twigs, cones, etc. (L). O12 1.5 - 0 in. Partly decomposed needles, twigs, etc. (F). A11 0 - 1 in. Dark brown (7.5YR3/2) when moist loam; weak, very fine to fine granular structure; very friable when moist, nonsticky and nonplastic when wet; 10% gravel, few pumice grains; clear and wavy boundary. A12 1 - 5 in. Dark brown (7.5YR3/4) when moist gravelly loam; weak, very fine to fine granular structure; friable when moist, slightly sticky and nonplastic when wet; 25% gravel and cobbles few pumice grains; gradual and wavy boundary. A3 5 - 11 in. Dark brown (7.5YR3/4) when moist gravelly loam; weak, fine granular breaking to weak, very fine subangular blocky structure; very friable when moist, slightly sticky and nonplastic when wet; 35% gravel and cobbles; gradual. B2 11 - 19 in. Dark brown (7.5YR3/4) when moist gravelly loam; weak, fine to medium subangular blocky structure; very friable when moist, slightly sticky and nonplastic when wet; 35% gravel and cobbles, abundant pumice, few charcoal; clear and wavy boundary. B3 19 - 27 in. Dark brown (7.5YR3/4) when moist gravelly loam; weak, very fine to fine subangular blocky structure; very friable when moist, slightly sticky and nonplastic when wet; 45% gravel, stones and cobbles, abundant pumice grains; gradual and wavy boundary. 2C 27 - 39+ in. Matrix of dark brown (7.5YR3/4) and mottles of brown (7.5YR4/4) when moist very cobbly silt loam; massive structure; friable when moist, slightly sticky and plastic when wet; 55% cobbles, stones and gravel, abundant pumice grains. 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 ----------------------------------------------------------------------------------------- A11 0 - 1 A12 1 - 5 0.6 41.5 49.3 9.2 A3 5 - 11 B2 11 - 19 0.8 49.4 46.5 4.0 B3 19 - 27 2C 27 - 39+ 0.8 35.5 56.7 7.8 ----------------------------------------------------------------------------------------- Chemical Profile Data ----------------------------------------------------------------------------------------- Horizon Depth Ph O.M. Total N P CEC K Ca Mg Na Base Sat. (in) (%) (%) (ppm) -------------- meq/100g ----------------- ----------------------------------------------------------------------------------------- A11 0 - 1 5.4 18.7 0.39 6.8 31.9 0.4 4.2 0.5 A12 1 - 5 5.2 9.0 0.24 4.5 28.2 0.2 0.5 0.2 A3 5 - 11 5.2 7.3 0.39 5.9 24.0 0.2 0.3 0.1 B2 11 - 19 5.6 2.5 0.10 1.9 24.2 0.2 0.5 0.1 B3 19 - 27 5.8 1.8 0.08 2.1 29.0 0.1 0.1 0.0 2C 27 - 39+ 5.5 1.5 0.08 1.4 30.1 0.2 0.3 0.2 -----------------------------------------------------------------------------------------