LOCATION YEDLICK WA
Established Series
Rev. LJH/TA/RJE/RWL
09/2019
YEDLICK SERIES
Landscape--mountains
Landform--mountain slopes
Slope--8 to 45 cm
Parent material--residuum and colluvium derived from basalt mixed with volcanic ash in upper part
Mean annual precipitation--about 810 mm
Mean annual air temperature--about 8 degrees C
Depth class--very deep
Drainage class--well drained
Soil moisture regime--xeric
Soil temperature regime--mesic
Soil moisture subclass--typic
TAXONOMIC CLASS: Loamy-skeletal, isotic, mesic Andic Dystroxerepts
TYPICAL PEDON: Yedlick stony ashy sandy loam, forested, on a 25-percent, southwest-facing backslope at an elevation of 470 m (All textures are apparent field textures.)
Oi--0 to 1 cm; slightly decomposed needles, leaves, and twigs
Oa--1 to 3 cm; highly decomposed organic material
A--3 to 15 cm; stony ashy sandy loam, reddish gray (5YR 5/2) dry, dark reddish brown (5YR 3/2) moist; weak very fine granular structure; soft, very friable, slightly sticky and nonplastic; weakly smeary; many very fine and fine roots; many very fine irregular pores; 15 percent gravel and 10 percent stones; slightly acid (pH 6.4); clear wavy boundary
AB--15 to 36 cm; gravelly ashy sandy loam, light reddish brown (5YR 6/4) dry, dark reddish brown (5YR 3/4) moist; weak very fine subangular blocky structure parting to weak very fine granular; slightly hard, friable, slightly sticky and nonplastic; weakly smeary; many very fine and fine roots; many very fine irregular pores and common very fine tubular pores; 10 percent gravel and 5 percent cobbles; slightly acid (pH 6.3); gradual wavy boundary
2Bw1--36 to 74 cm; very gravelly loam, light brown (7.5YR 6/4) dry, dark reddish brown (5YR 3/4) moist; weak very fine and fine subangular blocky structure; slightly hard, friable, slightly sticky and nonplastic; common very fine and fine roots; many very fine irregular and tubular pores; 30 percent gravel and 10 percent cobbles; slightly acid (pH 6.2); gradual wavy boundary
2Bw2--74 to 130 cm; very gravelly loam, light brown (7.5YR 6/4) dry, dark brown (7.5YR 3/4) moist; moderate very fine and fine subangular blocky structure; slightly hard, friable, slightly sticky and slightly plastic; common very fine roots; many very fine irregular pores and common very fine tubular pores; 40 percent gravel and 10 percent cobbles; slightly acid (pH 6.2); gradual wavy boundary
2Bw3--130 to 155 cm; very gravelly loam, light brown (7.5YR 6/4) dry, dark brown (7.5YR 3/4) moist; moderate fine and medium subangular blocky structure; slightly hard, friable, slightly sticky and slightly plastic; common very fine roots; common very fine irregular pores and few very fine tubular pores; 30 percent gravel and 5 percent cobbles; slightly acid (pH 6.3)
TYPE LOCATION: Klickitat County, Washington, about 10 km northwest of Glenwood; about 300 m south and 460 m east of the northwest corner of section 3, T. 6 N., R. 13 E.; latitude 46 degrees, 2 minutes, 30 seconds north and longitude 121 degrees, 10 minutes, 5 seconds west
RANGE IN CHARACTERISTICS:
Mean annual soil temperature--8 to 9 degrees C
Soil moisture control section--dry in all parts 60 to 75 consecutive days following summer solstice
Average rock fragment content in particle-size control section--35 to 50 percent
Volcanic ash influence
*Thickness--20 to 35 cm
*Moist bulk density--0.65 to 0.90 g/cm3
*Volcanic glass content--30 to 60 percent
*Acid oxalate aluminum plus one-half iron--1 to 2 percent
*Phosphorus retention--50 to 75 percent
*15-bar water retention--8 to 12 percent
A and AB horizons
Hue--5YR, 7.5YR
Chroma--2 to 4 dry or moist
Thickness of A horizon--8 to 15 cm
Thickness of AB horizon--8 to 25 cm
2Bw horizon
Hue--5YR, 7.5YR
Value--5 or 6 dry, 3 or 4 moist
Chroma--4 to 6 dry or moist
Gravel content--35 to 50 percent
Cobble content--0 to 10 percent
Texture--very gravelly sandy loam, very gravelly loam
Field-estimated clay content--5 to 20 percent
Combined thickness--greater than 110 cm
COMPETING SERIES:
Lydon--50 to 100 cm (moderately deep) to a lithic contact (andesite)
Lyre--50 to 100 cm to a discontinuity of sand or loamy sand glacial outwash that is 50 to 70 percent rock fragments; dry 45 to 60 consecutive days following summer solstice
Pickett--50 to 100 cm (moderately deep) to a lithic contact (metasedimentary rock)
GEOGRAPHIC SETTING:
Elevation--340 to 580 m
Climate--warm, dry summers; cool, moist winters; snow cover in December through April
Mean annual precipitation--760 to 890 mm
Mean January air temperature--about -4 degrees C
Mean July air temperature--about 17 degrees C
Mean annual air temperature--about 7 to 9 degrees C
Frost-free season--90 to 110 days
GEOGRAPHICALLY ASSOCIATED SOILS:
Kaiders--no mantle of volcanic ash; on mountains and foothills
Leidl--50 to 100 cm (moderately deep) to a lithic contact (basalt); on plateaus and canyon side slopes
Pinbit--5 to 20 percent rock fragments in particle-size control section; volcanic ash influence more than 150 cm thick; on terraces
Trelk--fine-loamy particle-size class; argillic horizon; on terraces
Tumac--umbric epipedon 25 to 38 cm thick; ashy-skeletal particle-size class; on mountain side slopes
DRAINAGE AND SATURATED HYDRAULIC CONDUCTIVITY:
Drainage class--well drained
Saturated hydraulic conductivity (Ksat)--moderately high
USE AND VEGETATION:
Use--timber production, livestock grazing, wildlife habitat
Native vegetation--mainly ponderosa pine, Douglas-fir, Oregon white oak, pinegrass, elk sedge, snowbrush ceanothus, Oregon grape, common snowberry, redstem ceanothus, lupine, antelope bitterbrush, and western hazel
DISTRIBUTION AND EXTENT: East slopes of Cascade Mountains in western Klickitat and Yakima Counties, Washington; MLRA 6; small extent
SOIL SURVEY REGIONAL OFFICE (SSRO) RESPONSIBLE: Portland, Oregon
SERIES ESTABLISHED: Klickitat County, Washington; 2003
REMARKS:
Diagnostic horizons and other features recognized in this pedon
*Ochric epipedon
*Cambic horizon--zone from 15 to 155 cm
*Particle-size control section--zone from 28 to 103 cm; averages 42 percent rock fragments
*Andic feature--zone from 3 to 36 cm
National Cooperative Soil Survey
U.S.A.