LOCATION WAXPUSH WA
Established Series
Rev. PNP/KDPL/SBC
09/2019
WAXPUSH SERIES
Landscape--plateaus
Landform--ridges, structural benches
Slope--0 to 35 percent
Parent material--mixed eolian deposits and residuum derived from basalt
Mean annual precipitation--about 410 mm
Mean annual air temperature--about 9 degrees C
Depth class--very shallow
Drainage class--well drained
Soil moisture regime--xeric
Soil temperature regime--mesic
Soil moisture subclass--typic
TAXONOMIC CLASS: Loamy, mixed, superactive, mesic Lithic Haploxerolls
TYPICAL PEDON: Waxpush stony sandy loam in an area of rangeland, on a 6-percent, north-facing plateau at an elevation of 790 m (All textures are apparent field textures.)
A--0 to 5 cm; stony sandy loam, brown (7.5YR 4/4) dry, dark brown (7.5YR 3/2) moist; moderate medium platy structure parting to weak fine granular; hard, friable, nonsticky and nonplastic; few very fine roots; few fine irregular pores; 10 percent gravel and 6 percent stones; neutral (pH 6.8); clear wavy boundary
AB--5 to 18 cm; gravelly sandy loam, brown (7.5YR 5/4) dry, dark brown (7.5YR 3/3) moist; moderate fine and medium subangular blocky structure parting to moderate thin and medium platy; slightly hard, friable, slightly sticky and slightly plastic; few very fine and fine roots; few fine irregular pores; 20 percent gravel; slightly acid (pH 6.5); abrupt smooth boundary
Bt--18 to 23 cm; gravelly loam, brown (7.5YR 5/4) dry, brown (7.5YR 4/4) moist; moderate fine and medium angular blocky structure; slightly hard, firm, moderately sticky and moderately plastic; few very fine roots; few fine and medium tubular pores; few distinct clay films on faces of peds and in pores; 20 percent gravel; neutral (pH 7.0); abrupt smooth boundary
2R--23 cm; basalt
TYPE LOCATION: Yakama Nation, Yakima County, Washington, about 8 km northwest of Fort Simcoe; about 880 m west and 700 m north of the southeast corner of section 27, T. 11 N., R. 15 E.; latitude 46.4101219, longitude -120.9320144, datum WGS 84 (coordinates estimated from section, township, and range)
RANGE IN CHARACTERISTICS:
Mean annual soil temperature at the lithic contact--8 to 12 degrees C
Moisture control section--usually moist, but dry in all parts 90 to 105 consecutive days following summer solstice
Depth to lithic contact (basalt)--15 to 25 cm
Particle-size control section--averages 10 to 20 percent clay and 10 to 35 percent rock fragments
Reaction--6.1 to 7.3 throughout
A horizon
Hue--5YR, 7.5YR, 10YR
Value--4 or 5 dry, 2 or 3 moist
Chroma--2 to 5 dry, 2 or 3 moist
Thickness--5 to 13 cm
AB horizon
Hue--5YR to 10YR
Value--4 or 5 dry, 2 or 3 moist
Chroma--2 to 4 dry or moist
Texture--loam, gravelly loam, sandy loam, gravelly sandy loam
Thickness--10 to 15 cm
Bt horizon
Hue--5YR, 7.5YR, 10YR
Value--4 to 6 dry, 3 or 4 moist
Chroma--4 to 6 dry, 3 or 4 moist
Texture--gravelly silt loam, gravelly loam, gravelly sandy loam
Thickness--0 to 6 cm
COMPETING SERIES:
Godde--25 to 50 cm (shallow) to a lithic contact (schist); mean annual soil temperature of about 14 degrees C
Iron Mountain-- dry more than 105 consecutive days following summer solstice
Kuhl--25 to 50 cm (shallow) to a lithic contact (basalt)
Yakus--25 to 50 cm (shallow) to a lithic contact (gneiss, schist, granite); dry in moisture control section 45 to 80 consecutive days
GEOGRAPHIC SETTING:
Elevation--550 to 1200 m
Climate--warm, dry summers; cool, moist winters
Mean annual precipitation--310 to 460 mm
Mean annual air temperature--8 to 11 degrees C
Frost-free season--75 to 140 days
GEOGRAPHICALLY ASSOCIATED SOILS:
Linville--on mountain slopes and canyon walls; no lithic contact within a depth of 100 cm or more
Pushtay--on toeslopes and low terraces; no lithic contact within a depth of 100 cm or more
Rockly--on ridges, plateaus, and side slopes; loamy-skeletal particle-size class
Van Nostern--on structural benches and plateaus; 50 to 100 cm (moderately deep) to a lithic contact (basalt)
DRAINAGE AND SATURATED HYDRAULIC CONDUCTIVITY:
Drainage class--well drained
Saturated hydraulic conductivity (Ksat)--moderately high
USE AND VEGETATION:
Use--livestock grazing
Vegetation--stiff sagebrush, Sandberg bluegrass, dwarf squirreltail, Hood phlox, buckwheat, thyme eriogonum
DISTRIBUTION AND EXTENT: Eastern slopes of Cascade Mountains, Yakama Nation, Yakima County, Washington; MLRA 8; small extent
SOIL SURVEY REGIONAL OFFICE (SSRO) RESPONSIBLE: Portland, Oregon
SERIES ESTABLISHED: Yakama Nation, Yakima County, Washington; 2014
REMARKS:
Diagnostic horizons and other features recognized in this pedon
*Mollic epipedon--zone from the surface to a depth of 18 cm
*Depth to lithic contact--23 cm
*Particle-size control section--zone from the surface to a depth of 23 cm
Waxpush is the Yakama word for rattlesnake. Rattlesnake Ridge is north of the type location for this series. In 2004, the series originally was named the Shinando series.
National Cooperative Soil Survey
U.S.A.