LOCATION BODALE OR
Established Series
IRD. RJO/DAL/KMS
11/2018
BODALE SERIES
Landscape--mountains
Landform--high terraces on mountain valleys
Slope--0 to 30 percent
Parent material--alluvium derived from mixed sources
Mean annual precipitation--about 790 mm
Mean annual air temperature--about 4 degrees C
Depth class--very deep
Drainage class--moderately well drained
Soil moisture regime--udic
Soil temperature regime--cryic
Soil moisture subclass--typic
TAXONOMIC CLASS: Coarse-loamy, mixed, superactive Cumulic Haplocryolls
TYPICAL PEDON: Bodale loam under subalpine fir and Engelmann spruce forest, on 0-percent slope at an elevation of 1285 m (Soil textures are apparent field textures.)
Oi--0 to 3 cm; slightly decomposed plant material consisting of needles and twigs
Oe--3 to 8 cm; moderately decomposed plant material
A1--8 to 38 cm; loam, brown (7.5YR 4/3) dry, dark brown (7.5YR 3/2) moist; weak medium subangular blocky structure parting to moderate medium granular; slightly hard, friable, slightly sticky and slightly plastic; common very fine, fine, and medium roots; common medium and coarse tubular pores; neutral (pH 7.0); clear wavy boundary
A2--38 to 66 cm; sandy loam, brown (7.5YR 4/2) dry, dark brown (7.5YR 3/2) moist; moderate medium subangular blocky structure parting to moderate fine subangular blocky structure; slightly hard, friable, slightly sticky and slightly plastic; common very fine, fine, medium, and coarse roots; common very fine and fine irregular pores and common fine and medium tubular pores; neutral (pH 7.0); clear wavy boundary
AC--66 to 89 cm; sandy clay loam, brown (7.5YR 4/2) dry, dark brown (7.5YR 3/2) moist; weak fine subangular blocky structure; slightly hard, friable, slightly sticky and slightly plastic; common very fine, fine, medium, and coarse roots; common very fine irregular and tubular pores; 10 percent gravel; slightly acid (pH 6.5); clear smooth boundary
C1--89 to 117 cm; very gravelly sandy loam, brown (7.5YR 4/3) dry, dark brown (7.5YR 3/3) moist; massive; slightly hard, friable, nonsticky and nonplastic; common very fine and fine roots; common very fine irregular pores; 45 percent gravel; slightly acid (pH 6.5); clear smooth boundary
C2--117 to 152 cm; extremely cobbly sand, brown (7.5YR 4/3) dry, dark brown (7.5YR 3/3) moist; single grain; loose, very friable, nonsticky and nonplastic; common very fine roots; common very fine and fine irregular pores; 15 percent stones, 20 percent cobbles, and 25 percent gravel; slightly acid (pH 6.5)
TYPE LOCATION: Wallowa County, Oregon; in the SE1/4SE1/4NW1/4 of section 36, T. 3 N., R. 44 E.; latitude 45.6981926, longitude -117.2607574, datum WGS 84 (coordinates from unknown source)
RANGE IN CHARACTERISTICS:
Mean annual soil temperature--3 to 7 degrees C
Mean summer soil temperature--6 to 12 degrees C
Mean winter soil temperature--0 to 3 degrees C
Soil moisture--dry 25 to 45 days in summer
Depth to seasonal water table--100 to 200 cm
Particle-size control section (25 to 100 cm from the mineral soil surface)
*Clay content--5 to 15 percent
*Total rock fragment content--10 to 20 percent
A and AC horizons
Hue--7.5YR, 10YR
Value--2 to 3 moist, 3 to 5 dry
Chroma--2 or 3
Fine-earth texture--loam, silt loam, sandy loam, sandy clay loam
Clay content--1 to 23 percent
Sand content--20 to 60 percent
Organic matter content--2.5 to 8 percent
Total rock fragment content--0 to 15 percent
Gravel content--0 to 15 percent
Reaction--6.1 to 7.3
C1 horizon
Hue--7.5YR, 10YR
Value--3 moist, 4 or 5 dry
Chroma--2 to 4 moist or dry
Fine-earth texture--loam, sandy loam
Clay content--6 to 10 percent
Sand content--45 to 70 percent
Organic matter content--0 to 1 percent
Total rock fragment content--45 to 80 percent
Gravel content--25 to 45 percent
Cobble content--0 to 20 percent
Stone content--0 to 25 percent
Reaction--6.1 to 7.3
C2 horizon
Hue--7.5YR, 10YR
Value--3 moist, 4 or 5 dry
Chroma--2 to 4 moist or dry
Fine-earth texture--loam, sandy loam
Clay content--2 to 10 percent
Sand content--55 to 90 percent
Organic matter content--0 to 1 percent
Total rock fragment content--60 to 80 percent
Gravel content--25 to 30 percent
Cobble content--20 to 25 percent
Stone content--15 to 25 percent
Reaction--6.1 to 6.5
COMPETING SERIES:
Tosina--less than 35 percent subangular rock fragments in the lower part of the particle-size control section; formed in loess over loamy till; on till plains in areas where permafrost has melted due to disturbance
GEOGRAPHIC SETTING:
Elevation--1210 to 1800 m
Climate--cold, wet winters; cool, moist summers
Mean annual precipitation--480 to 1110 mm
Mean annual air temperature--2 to 6 degrees C
Frost-free period--20 to 80 days
GEOGRAPHICALLY ASSOCIATED SOILS:
Bandarrow--on wet mountain meadows and flood plains of broad mountain valley floors
Broadycreek--on low terraces of mountain valley floors; under subalpine fir
Bucketlake--on moraines of mountain valley floors; thick mantle of volcanic ash
Digit (T)--on high alluvial terraces; thick mantle of volcanic ash; under grand fir
DRAINAGE AND SATURATED HYDRAULIC CONDUCTIVITY:
Saturation during normal years--saturated at a depth of 109 to 183 cm in April through June
Flooding--very rare, very brief
Ponding--none
Saturated hydraulic conductivity (Ksat)--moderately high or high over high or very high
USE AND VEGETATION:
Use--timber production, watershed, wildlife habitat, recreation, livestock grazing
Native vegetation--Engelmann spruce, grand fir, subalpine fir, lodgepole pine, gray alder, western larch, Douglas-fir, ponderosa pine, big huckleberry, heartleaf arnica, grouse huckleberry, queencup bead lily, skunkleaf polemonium, northern twinflower, baldhip rose, singleleaf pinyon, Columbia brome, prickly currant, sticky currant, elk sedge, pinegrass, prince's pine
DISTRIBUTION AND EXTENT: Blue Mountains of northeastern Oregon; MLRA 10; small extent
SOIL SURVEY REGIONAL OFFICE (SSRO) RESPONSIBLE: Portland, Oregon
SERIES ESTABLISHED: Wallowa County, Oregon; 2018
REMARKS:
Diagnostic horizons and other features recognized in this pedon
*Mollic epipedon--zone from 8 to 89 cm
*Particle-size control section--zone from 33 to 103 cm
National Cooperative Soil Survey
U.S.A.