LOCATION ANIPASH WA
Established Series
Rev. PNP/KDPL/SBC
09/2019
ANIPASH SERIES
Landscape--mountain valleys
Landform--depressions on valley floors near seeps and springs
Slope--0 to 30 percent, but dominantly 0 to 5 percent
Parent material--highly decomposed herbaceous plant material and volcanic ash over alluvium derived from basalt
Mean annual precipitation--about 1150 mm
Mean annual air temperature--about 2 degrees C
Depth class--very deep
Drainage class--very poorly drained
Soil moisture regime--aquic
Soil temperature regime--cryic
Soil moisture subclass--typic
TAXONOMIC CLASS: Euic Fluvaquentic Cryosaprists
TYPICAL PEDON: Anipash muck in a wet meadow, on a 5-percent, northeast-facing slope at an elevation of 1675 m (All textures are apparent field textures.)
Oa1--0 to 13 cm; muck (sapric material), grayish brown (10YR 5/2) dry, dark brown (10YR 3/3) moist; moderate coarse granular structure; slightly hard, friable, nonsticky and nonplastic; 80 percent fiber, 12 percent rubbed; many very fine and fine roots; many very fine irregular pores; very strongly acid (pH 4.5); clear wavy boundary
Oa2--13 to 64 cm; muck (sapric material), very dark gray (10YR 3/1) dry, black (10YR 2/1) moist; moderate coarse granular structure; slightly hard, friable, nonsticky and nonplastic; 60 percent fiber, less than 10 percent rubbed; common very fine and fine and few medium roots; many very fine and fine irregular pores; very strongly acid (pH 4.5); clear wavy boundary
A--64 to 76 cm; ashy silt loam, brown (10YR 5/3) dry, very dark gray (10YR 3/1) moist; moderate fine and medium granular structure; slightly hard, friable, slightly sticky and nonplastic; weakly smeary; few fine and medium roots; many very fine and common fine irregular pores; strongly acid (pH 5.1); clear wavy boundary
Oa3--76 to 119 cm; muck (sapric material), very dark grayish brown (10YR 3/2) dry, black (10YR 2/1) moist; moderate medium and coarse subangular blocky structure; slightly hard, friable, nonsticky and nonplastic; 20 percent fibers, less than 5 percent rubbed; few very fine roots; common fine irregular pores; strongly acid (pH 5.1); abrupt wavy boundary
C--119 to 150 cm; very gravelly sandy loam, dark gray (10YR 4/1) dry, very dark gray (10YR 3/1) moist; single grain; loose, very friable, nonsticky and nonplastic; few very fine roots; few fine irregular pores; 45 percent gravel; strongly acid (pH 5.4)
TYPE LOCATION: Yakama Nation, Yakima County, Washington, about 3 km east of Potato Butte; about 260 m west and 310 m north of the southeast corner of section 7, T. 6 N., R. 16 E.; latitude 46.0151030, longitude -120.8457442, datum WGS 84 (coordinates estimated from section, township, and range)
RANGE IN CHARACTERISTICS:
Mean annual soil temperature at a depth of 50 cm--about 3 degrees C
Soil moisture--usually moist
Depth to water table--typically within a depth of 100 cm of the surface
Combined thickness of mineral strata--less than 30 cm
Thickness of surface tier of organic material--40 to 120 cm
Fibers--mostly from grasses and sedges, but as much as 20 percent wood fragments in some pedons
Depth to thin (3 to 25 cm thick) layers or lenses of volcanic ash--50 to 100 cm
Control section--dominantly sapric material; 5 to 20 percent unrubbed fiber; strata of mineral material throughout, including volcanic ash
Thickness of solum--115 to 190 cm
Oa1 and Oa2 horizons
Value--2 or 3 moist, 3 to 5 dry
Chroma--0 to 3 moist or dry
Reaction--4.5 to 5.5
Combined thickness--50 to 100 cm
A horizon
Value--2 or 3 moist, 3 to 6 dry
Chroma--1 to 3 moist or dry
Texture--ashy silt loam, ashy sandy loam, sand
Reaction--4.5 to 5.5
Thickness--10 to 15 cm
Oa3 horizon
Value--2 or 3 moist or dry
Chroma--1 or 2 moist or dry
Reaction--4.5 to 5.5
Thickness--25 to 50 cm
C horizon
Hue--7.5YR, 10YR
Value--2 or 3 moist
Chroma--0 to 3 moist or dry
Texture--very gravelly loamy sand, very gravelly sandy loam, very gravelly sand
Reaction--4.5 to 5.5
COMPETING SERIES:
Chichantna--fibric and hemic material in surface tier
Ghost--andic properties below a depth of 100 cm
Sinopah--hemic material in surface tier
Tyonek--5 to 25 percent woody fragments in control section; hemic material in surface tier
GEOGRAPHIC SETTING:
Elevation--1250 to 1825 m
Climate--cool, dry summers; cold, moist winters
Mean annual precipitation--about 1000 to 1150 mm
Mean annual air temperature--about 2 degrees C
Frost-free season--30 to 60 days
GEOGRAPHICALLY ASSOCIATED SOILS:
Pitxanuk--on mountain slopes; mineral soils; ashy over medial-skeletal particle-size class
Pird--on mountain slopes; mineral soils; ashy-skeletal particle-size class
Snowplow--on ridges and mountain slopes; mineral soils; ashy particle-size class
DRAINAGE AND SATURATED HYDRAULIC CONDUCTIVITY:
Drainage class--very poorly drained
Saturated hydraulic conductivity (Ksat)--moderately high
USE AND VEGETATION:
Use--wildlife habitat
Native vegetation--subalpine fir, sedges, rushes, Sitka valerian, queencup beadlily, Douglas spirea, willow, alder
DISTRIBUTION AND EXTENT: Mountain valleys on the eastern slopes of the Cascade Mountains in south-central Washington, Yakima County, Yakama Nation; MLRA 6; small extent
SOIL SURVEY REGIONAL OFFICE (SSRO) RESPONSIBLE: Portland, Oregon
SERIES ESTABLISHED: Yakama Nation, Yakima County, Washington; 2014
REMARKS:
Diagnostic horizons and other features in this pedon
*Histic epipedon--zone from the surface to a depth of 64 cm
*Sapric material--zone from the surface to a depth of 64 cm; zone from 76 to 119 cm
*Particle-size control section--zone from the surface to a depth of 130 cm
The Anipash series originally was named the Klickima series. Anipash is the Yakama word for the plant known as Indian potato. Potato Butte is about 3 km east of the type location for this series.
5/2016--This official series description was updated according to SSR1 Technical Note 11--Content and Format of Official Series Descriptions (revised 12/2015). Most of the changes were in formatting; no major technical changes were made.
ADDITIONAL DATA:
Partial laboratory data--sample number 39B-7-6; Yakama Nation Soil Laboratory, Toppenish, Washington
National Cooperative Soil Survey
U.S.A.