LOCATION MENINICK                WA

Established Series
Rev. PNP/KDPL/SBC
09/2019

MENINICK SERIES

Landscape--plateaus
Landform--structural benches
Slope--0 to 12 percent
Parent material--mixed loess over fractured basalt
Mean annual precipitation--200 to 255 mm
Mean annual air temperature--about 9 degrees C
Depth class--shallow
Drainage class--well drained
Soil moisture regime--aridic
Soil temperature regime--mesic
Soil moisture subclass--xeric

TAXONOMIC CLASS: Loamy, mixed, superactive, mesic Lithic Xeric Haplargids

TYPICAL PEDON: Meninick loam in an area of rangeland on a plateau top that has slopes of 2 percent (All textures are apparent field textures.)

A--0 to 8 cm; loam, pale brown (10YR 6/3) dry, very dark grayish brown (10YR 3/2) moist; moderate thick platy structure parting to moderate medium subangular blocky; soft, very friable, nonsticky and nonplastic; many fine roots; many very fine vesicular pores; moderately acid (pH 6.0); clear smooth boundary

AB--8 to 13 cm; silt loam, brown (10YR 5/3) dry, brown (10YR 4/3) moist; moderate medium subangular blocky structure parting to moderate fine subangular blocky; soft, friable, slightly sticky and slightly plastic; common fine roots; many very fine and fine vesicular pores; moderately acid (pH 6.0); abrupt smooth boundary

Bt--13 to 28 cm; silty clay loam, light yellowish brown (10YR 6/4) dry, brown (10YR 5/3) moist; strong medium angular blocky structure parting to moderate very fine and fine angular blocky; hard, firm, moderately sticky and moderately plastic; few fine roots; many distinct clay films on ped faces and in pores; slightly acid (pH 6.5); abrupt irregular boundary

2R1--28 to 41 cm; fractured basalt; cracks 8 to 15 cm apart; clay loam soil material in cracks makes up 5 percent of volume

2R2--41 cm; fractured basalt

TYPE LOCATION: Yakama Nation, Yakima County, Washington, about 8 km southeast of Toppenish Mountain; about 730 m west and 440 m south of the northeast corner of section 6, T. 8 N., R. 18 E.; latitude 46.2108300, longitude -120.6030186, datum WGS 84 (coordinates estimated from section, township, and range)

RANGE IN CHARACTERISTICS:
Mean annual soil temperature at lithic contact--8 to 11 degrees C
Depth to lithic contact--25 to 50 cm
Percentage of surface covered with stones--typically 1 to 3 percent

Particle-size control section
*Content of clay--20 to 35 percent
*Content of sand--15 to 30 percent
*Content of rock fragments--0 to 32 percent

A horizon
Value--5 to 7 dry
Chroma--2 or 3 dry or moist
Reaction--5.6 to 6.5
Thickness--8 to 13 cm

AB horizon
Value--5 or 6 dry
Chroma--2 to 4 dry or moist
Texture--silt loam, loam, gravelly loam, gravelly silt loam
Reaction--5.6 to 6.5
Thickness--5 to 10 cm

Bt horizon
Value--6 or 7 dry, 3 to 5 moist
Chroma--3 or 4 dry or moist
Texture--silty clay loam, silt loam, cobbly silt loam, gravelly silty clay loam, cobbly silty clay loam
Reaction--6.1 to 7.3
Thickness--10 to 15 cm

Some pedons do not have soil-filled cracks in upper part of R horizon.

COMPETING SERIES:
Banbury--pH of 7.4 to 8.4 throughout
Bombadil, Jaybee--pH of 6.6 to 7.8 above argillic horizon
Dougal--more than 30 percent sand in argillic horizon
Fubble--zone of carbonate accumulation between argillic horizon and lithic contact
Kreza--mean annual soil temperature of 12 to 14 degrees C; 10 to 25 cm (very shallow) to a lithic contact (schist)
Stumount--25 to 35 percent volcanic channers and flagstones; fine-earth texture of loam or clay loam in argillic horizon

GEOGRAPHIC SETTING:
Elevation--580 to 700 m
Mean annual precipitation--200 to 255 mm
Mean annual air temperature--8 to 10 degrees C
Frost-free season--115 to 160 days

GEOGRAPHICALLY ASSOCIATED SOILS:
Bakeoven, Rock Creek--on uplands; more than 35 percent coarse fragments in particle-size control section
Onepennee--on plateaus; no argillic horizon
Tannawasha--50 to 100 cm (moderately deep) to a lithic contact (basalt); natric horizon
Zen--50 to 100 cm (moderately deep) to a lithic contact (basalt); secondary carbonates at a depth of 35 to 75 cm

DRAINAGE AND SATURATED HYDRAULIC CONDUCTIVITY:
Drainage class--well drained
Saturated hydraulic conductivity (Ksat)--moderately low

USE AND VEGETATION:
Use--domestic livestock grazing
Vegetation--bluebunch wheatgrass, Sandberg bluegrass, Thurber needlegrass, autumn willowweed, Hood phlox, Wyoming big sagebrush

DISTRIBUTION AND EXTENT: South-central 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 in this pedon
*Ochric epipedon
*Argillic horizon--zone from 13 to 28 cm
*Depth to lithic contact--28 cm
*Particle-size control section--zone from the surface to a depth of 28 cm

Meninick is the name of one of the signers of the original Yakama Treaty. Although this spelling is inconsistent with the Yakama orthography, it is a surname used by the Meninick family and therefore is allowed as a show of respect. "Meninik" was the original spelling of the series.

---

National Cooperative Soil Survey
U.S.A.