LOCATION ELKLICK WA
Tentative Series
IRD. MGR/AJF/MPR
01/2025
ELKLICK SERIES
Landscape--mountains
Landform--glacial valley walls
Slope--3 to 35 percent
Parent material--colluvium or residuum
Mean annual precipitation--about 3000 mm
Mean annual air temperature--about 4 degrees C
Depth class--moderately deep
Drainage class--well drained
Soil moisture regime--udic
Soil temperature regime--cryic
Soil moisture subclass--typic
TAXONOMIC CLASS: Loamy-skeletal, isotic Andic Dystrocryepts
TYPICAL PEDON: Elklick very gravelly silt loam on an east-facing, forested glacial valley wall with a slope of 30 percent and an elevation of 1160 m. (The soil was moist throughout when described.)
Oi--0 to 2 cm; slightly decomposed plant material; abrupt wavy boundary
Oe--2 to 8 cm; moderately decomposed plant material; abrupt wavy boundary
A--8 to 18 cm; brown (7.5YR 4/4) dry, dark brown (7.5YR 3/4) very gravelly silt loam; moderate fine granular structure; soft, very friable, slightly sticky, slightly plastic; weakly smeary; many very fine and fine and common medium and coarse roots; many very fine irregular pores; 40 percent gravel; very strongly acid (pH 4.6); clear wavy boundary
Bw1--18 to 36 cm; reddish brown (5YR 5/4) dry, reddish brown (5YR 4/4) very gravelly silt loam; weak fine subangular blocky structure; soft, very friable, sightly sticky, slightly plastic; many very fine, fine, and medium, and common coarse and very coarse roots; common fine irregular pores; 40 percent gravel, 10 percent cobbles; very strongly acid (pH 4.7); clear wavy boundary
Bw2--36 to 60 cm; reddish brown (5YR 5/3) dry, reddish brown (5YR 4/3) extremely gravelly loam; weak very fine subangular blocky structure; soft, very friable, slightly sticky, slightly plastic; common fine and medium interstitial and common fine irregular pores; 50 percent gravel, 10 percent cobbles, 10 percent stones; very strongly acid (pH 4.8); clear irregular boundary
R--60 cm; bedrock
TYPE LOCATION: Clallam County, Washington; Lake Angeles trail, about 1 mile south of the Heart O' the Hills Campground in Olympic National Park
Latitude--48.0189510
Longitude-- -123.4308700
Datum--WGS84
RANGE IN CHARACTERISTICS:
Mean annual soil temperature--4 to 7 degrees C
Depth to restrictive layer--50 to 100 cm
Particle-size control section
*Clay content--8 to 18 percent
*Total rock fragment content--45 to 75 percent
*Gravel content--25 to 60 percent
*Cobble content--0 to 30 percent
*Stone content--0 to 15 percent
O horizons
Combined thickness--0 to 10 cm
A horizon
Hue--10YR, 7.5YR or 5YR
Value--3 or 4 dry or moist
Chroma--2 to 4 dry or moist
Fine-earth texture--silt loam, loam, sandy loam
Clay content--8 to 18 percent
Total rock fragment content--35 to 60 percent
Gravel content--25 to 50 percent
Cobble content--0 to 20 percent
Stone content--0 to 15 percent
Reaction--4.5 to 5.5
Thickness--5 to 15 cm
Bw1 and Bw2 horizons
Hue--10YR, 7.5YR or 5YR
Value--3 to 6 dry or moist
Chroma--3 or 4 dry or moist
Fine-earth texture--silt loam, loam, sandy loam
Clay content--8 to 18 percent
Total rock fragment content--45 to 75 percent
Gravel content--25 to 60 percent
Cobble content--0 to 30 percent
Stone content--0 to 15 percent
Reaction--4.5 to 5.5
Combined thickness--40 to 60 cm
COMPETING SERIES:
Angelbasin,
Prouty,
Skinwood,
Smokejump, and
Venson--have a mantle of tephra with volcanic glass in the fine earth fraction
McCay--paralithic contact within 100 to 150 cm of the soil surface
Tepeh,
Twentymile, Mountmystery, and Hungrycreek--lithic contact below 150 cm from the soil surface
Hangingglacie r--mean annual soil temperature is 0 to 3 degrees C
GEOGRAPHIC SETTING:
Elevation--900 to 1300 m
Climate--cool dry summers; cold, wet winters
Mean annual precipitation--2500 to 3500 mm
Mean annual air temperature--2 to 6 degrees C
Frost-free period--60 to 90 days
GEOGRAPHICALLY ASSOCIATED SOILS:
Mountmystery--no lithic contact; similar landforms
Ignarcreek--albic and spodic horizons, no lithic contact; similar landforms
Ringlake--aquic conditions within 0 to 25 cm of mineral soil surface; depressions on similar landforms
DRAINAGE AND SATURATED HYDRAULIC CONDUCTIVITY:
Drainage class--well drained
Saturation in normal years--none
Flooding--none
Ponding--none
Saturated hydraulic conductivity (Ksat)--high or very high throughout
USE AND VEGETATION:
Use--wildlife habitat, recreation
Potential natural vegetation--Pacific silver fir, mountain hemlock, black huckleberry, Cascade azalea, strawberryleaf raspberry, roughfruit berry
DISTRIBUTION AND EXTENT: Olympic Mountains, Washington; MLRA 1; small extent
SOIL SURVEY REGIONAL OFFICE (SSRO) RESPONSIBLE: Bozeman, Montana
SERIES PROPOSED: Olympic National Park, Clallam County, Washington 2023; name from Mount Elk Lick in Olympic National Park
REMARKS:
Diagnostic horizons and other features in this pedon:
*Particle-size control section--zone from 33 to 60 cm
*Ochric epipedon
*Andic subgroup features--zone from 8 to 18 cm; AO extractable Al plus Fe is 1 to 2 percent and Db is 0.9 to 1.0 g/cm3
*Cambic horizon--zone from 18 to 60 cm
*Lithic contact--60 cm
National Cooperative Soil Survey
U.S.A.