Profile Number: 376 Series: UNNAMED Location: OHANAPECOSH R., MT. RAINIER N.P., AV02, PIT 1, MT. RAINIER N.P. Classification: Slope: 18 % Aspect: E Elevation: 2760 ft. Landform: ALLUVIAL-COLLUVIAL FAN Drainage: WELL DRAINED Parent Mat.: VOLCANIC ASH Vegetation: ABAM/VAAL COMMUNITY Description: NORGREN & DYRNESS 9-5-95 O1 2.5 - 2 in. L and F layers with some intermixed '80 volcanic ash. O2 2 - 0 in. Humus layer; abundant fine, medium and coarse roots; abrupt and smooth boundary. A 0 - 2 in. Light gray (10YR6/1) when dry, dark gray (10YR4/1) when moist coarse sand; single grain structure; loose when moist, nonsticky and nonplastic when wet; common fine and medium roots; clear and smooth boundary. E 2 - 8 in. Light gray (10YR7/2) when dry, with matrix of strong brown (7.5YR4/6) and mottles of pale brown (10YR6/3) when moist coarse sand; single grain structure; loose when moist, nonsticky and nonplastic when wet; variegated colors; common fine, medium and coarse roots; abrupt and irregular boundary. BIR 8 - 17 in. Matrix of strong brown (7.5YR5/6) and mottles of dark reddish brown (5YR3/4) when moist sandy loam; massive structure; soft when dry, very friable when moist, nonsticky and nonplastic when wet; 10% gravel, variegated colors; common fine and medium, few coarse roots; clear and irregular boundary. 2A 17 - 23 in. Strong brown (7.5YR4/6) when moist very gravelly loamy corse sand; single grain structure; loose when moist, nonsticky and nonplastic when wet; 60% pumice gravel, St. Helens (?); common fine and medium roots; clear and wavy boundary. 3BIR 23 - 29 in. Matrix of pale brown (10YR6/3) and mottles of yellowish brown (10YR5/6) when moist light silt loam; massive structure; friable when moist, nonsticky and slightly plastic when wet; 20% cobbles, Mazama(?); common fine and medium, few coarse roots; clear and wavy boundary. 4C 29 - 44+ in. Dark yellowish brown (10YR4/6) when moist very stony loamy coarse sand; single grain structure; loose when moist, nonsticky and nonplastic when wet; 25% gravel 25% cobbles, 15% stones; few fine and medium roots.