LOCATION CLINT                   WA

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

CLINT SERIES

Landscape--plateaus, canyonlands
Landform--ridges, canyons
Slope--0 to 75 percent
Parent material--loess and basalt colluvium
Mean annual precipitation--about 410 mm
Mean annual air temperature--about 9 degrees C
Depth class--moderately deep
Drainage class--well drained
Soil moisture regime--xeric
Soil temperature regime--mesic
Soil moisture subclass--typic

TAXONOMIC CLASS: Loamy-skeletal, mixed, superactive, mesic Typic Haploxerolls

TYPICAL PEDON: Clint cobbly loam in an area of rangeland

A1--0 to 15 cm; cobbly loam, reddish brown (5YR 5/3) dry, dark reddish brown (5YR 3/3) moist; moderate fine granular structure; slightly hard, friable, slightly sticky and slightly plastic; many roots; 10 percent gravel, 5 percent cobbles, and 2 percent stones; neutral (pH 6.6); clear wavy boundary

A2--15 to 25 cm; gravelly loam, reddish brown (5YR 5/3) dry, dark reddish brown (5YR 3/3) moist; moderate medium subangular blocky structure; slightly hard, friable, slightly sticky and slightly plastic; many roots; few fine tubular pores; 15 percent gravel and 5 percent cobbles; neutral (pH 6.6); abrupt wavy boundary

Bw--25 to 48 cm; very gravelly loam, reddish brown (5YR 5/3) dry, dark reddish brown (5YR 3/4) moist; moderate medium subangular blocky structure; slightly hard, friable, slightly sticky and slightly plastic; many roots; few fine tubular pores; 40 percent gravel and 10 percent cobbles; neutral (pH 6.6); abrupt irregular boundary

C--48 to 71 cm; extremely gravelly loam, brown (7.5YR 4/2) dry, dark brown (7.5YR 3/2) moist; massive; slightly hard, friable, slightly sticky and slightly plastic; common roots matted between coarse fragments; 60 percent gravel and 15 percent cobbles; neutral (pH 6.6); abrupt wavy boundary

R--71 cm; fractured basalt

TYPE LOCATION: Yakima County, Washington, about 300 m east and 365 m south of the northwest corner of section 29, T. 14 N., R. 16 E.; Willamette Meridian; latitude 46.677835, longitude -120.863305, datum WGS 84 (coordinates estimated from PLSS details)

RANGE IN CHARACTERISTICS:
Mean annual soil temperature--8 to 11 degrees C
Soil moisture--dry in all parts 60 to 75 consecutive days between depths of 20 and 60 cm in summer and fall
Thickness of solum--33 to 51 cm
Depth to lithic contact--50 to 100 cm
Thickness of mollic epipedon--25 to 38 cm
Particle-size control section--averages 18 to 25 percent clay and 35 to 75 percent rock fragments
Base saturation--more than 75 percent

A horizon
Hue--5YR, 7.5YR, 10YR
Value--3 to 5 dry, 1 or 3 moist
Chroma--1 to 3 moist or dry
Structure--subangular blocky, granular
Rock fragment content--10 to 25 percent
Combined thickness--15 to 41 cm

Bw horizon
Hue--5YR, 7.5YR, 10YR
Value--4 or 5 dry, 2 or 3 moist
Chroma--1 to 3 moist or dry
Texture of fine-earth fraction--loam, silt loam
Rock fragment content--35 to 60 percent
Thickness--13 to 23 cm

C horizon (where present)
Hue--5YR, 7.5YR
Value--4 or 5 dry, 3 or 4 moist
Chroma--2 or 3 moist or dry
Texture of fine-earth fraction--loam, silt loam, sandy clay loam
Rock fragment content--60 to 90 percent
Thickness--0 to 25 cm

COMPETING SERIES:
Benco--no lithic contact within a depth of 150 cm
Chuchupate--mean annual soil temperature of 15 to 17 degrees C
Kilburn--no lithic contact within a depth of 150 cm
Oldsferry--fragments are channer size and shape
Storer--100 to 150 cm (deep) to a lithic contact (metavolcanic or metamorphic rock)
Wynhoff--8 to 15 percent clay in particle-size control section

GEOGRAPHIC SETTING:
Elevation--610 to 1000 m
Climate--warm, dry summers; cool, moist winters
Mean annual precipitation--380 to 460 mm
Mean January air temperature--about -3 degrees C
Mean July air temperature--about 21 degrees C
Mean annual air temperature--about 8 to 9 degrees C
Frost-free season--110 to 140 days

GEOGRAPHICALLY ASSOCIATED SOILS:
Camaspatch--on side slopes; 30 to 50 cm (shallow) to a lithic contact (basalt); more than 35 percent clay in particle-size control section
McDaniel--on hillsides and canyon walls; no lithic contact within a depth of more than 150 cm
Rock Creek--on ridgetops and plateaus; 20 to 50 cm (very shallow, shallow) to a lithic contact (basalt)
Rockly--on ridgetops and plateaus; 10 to 30 cm (very shallow, shallow) to a lithic contact (basalt)
Taneum--on uplands; less than 15 percent coarse fragments in particle-size control section; no lithic contact within a depth of 100 cm

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

USE AND VEGETATION:
Use--livestock grazing, wildlife habitat
Native vegetation--bunchgrass, sagebrush

DISTRIBUTION AND EXTENT: South-central Washington; MLRAs 8 and 9; small extent

SOIL SURVEY REGIONAL OFFICE (SSRO) RESPONSIBLE: Portland, Oregon

SERIES ESTABLISHED: Yakima County, Washington; 1979

REMARKS:
Diagnostic horizons and other features recognized in this pedon
*Mollic epipedon--zone from the surface to a depth of 25 cm
*Cambic horizon--zone from 25 to 48 cm
*Depth to lithic contact--71 cm
*Particle-size control section--zone from 25 cm to the lithic contact at 71 cm

ADDITIONAL DATA:
Laboratory data--RT77-WA012 (77T7057); National Soil Survey Laboratory, Lincoln, Nebraska

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National Cooperative Soil Survey
U.S.A.