LOCATION JOLLEYCREEK WA
Tentative Series
IRD. AJF/MGR/MPR
01/2025
JOLLEYCREEK SERIES
Landscape--river valleys
Landform--colluvial aprons
Slope--0 to 35 percent
Parent material--colluvium
Mean annual precipitation--about 2500 mm
Mean annual air temperature-- about 12 degrees C
Depth class--very deep
Drainage class--well drained
Soil moisture regime--udic
Soil temperature regime--isomesic
Soil moisture subclass--typic
TAXONOMIC CLASS: Loamy-skeletal, isotic, isomesic Andic Haplorthods
TYPICAL PEDON: Jolleycreek silt loam on a forested colluvial apron with a slope of 9 percent and an elevation of 225 m. The soil was moist throughout when described.
Oi--0 to 4 cm; slightly decomposed plant material; clear smooth boundary
Oe--4 to 10 cm; moderately decomposed plant material; clear smooth boundary
E--10 to 18; gray (10YR 5/1) dry, dark gray (10YR 4/1); silt loam; moderate fine granular structure; soft, very friable, slightly sticky, slightly plastic; weakly smeary; many very fine and fine, and few medium and coarse roots; many very fine and fine irregular, and few fine tubular pores; 10 percent gravel; very strongly acid (pH 4.5); clear wavy boundary
Bs--18 to 39 cm; brown (7.5YR 4/4) dry, dark brown (7.5YR 3/4); gravelly loam; moderate fine subangular blocky structure; soft, very friable, slightly sticky, slightly plastic; weakly smeary; many very fine and fine, and few medium and coarse roots; common fine irregular and few fine and medium tubular pores; 20 percent gravel, 5 percent cobbles; very strongly acid (pH 4.7); clear wavy boundary
Bw1--39 to 77 cm; brown (7.5YR 4/3) dry, dark brown (7.5YR 3/3); very gravelly loam; weak fine subangular blocky structure; soft, very friable, slightly sticky, slightly plastic; weakly smeary; common very fine and fine, and few medium and coarse roots; common fine tubular and irregular pores; 25 percent gravel, 10 percent cobbles, 5 percent stones; very strongly acid (pH 5.0); clear wavy boundary
Bw2--77 to 110 cm; brown (7.5YR 4/3) dry, dark brown (7.5YR 3/3); very gravelly loam; weak fine subangular blocky structure; soft, very friable, slightly sticky, slightly plastic; common fine and medium, and few coarse roots; common fine and medium tubular and common fine irregular pores; 45 percent gravel, 5 percent cobbles; very strongly acid (pH 5.2); clear wavy boundary
Bw3--110 to 150 cm; dark brown (7.5YR 3/3) dry, dark brown (7.5YR 3/2); very gravelly sandy loam; weak fine subangular blocky structure; soft, very friable, non-sticky, non-plastic; common fine and medium, and few coarse roots; common fine and medium tubular and few fine irregular pores; 45 percent gravel, 5 percent cobbles; very strongly acid (pH 5.3)
TYPE LOCATION: Olympic National Park, Jefferson County, Washington; North Fork Quinault River Trail, adjacent to trail, approximately 1 mile from trailhead.
Latitude--47.590334
Longitude-- -123.64313
Datum--WGS84
RANGE IN CHARACTERISTICS:
Mean annual soil temperature--10 to 15 degrees C
Mean summer soil temperature--12 to 17 degrees C
Albic diagnostic horizon thickness--5 to 15 cm
Spodic diagnostic horizon thickness--15 to 30 cm
Particle-size control section
*Clay content--8 to 17 percent
*Total rock fragment content--35 to 60 percent
*Gravel content--35 to 60 percent
*Cobble content--0 to 15 percent
O horizons
Horizon designation-- Oi and Oe
Combined thickness--8 to 15 cm
E horizon
Value--4 to 6 moist or dry
Chroma--1 or 2 moist or dry
Fine-earth texture--silt loam, loam
Clay content--8 to 17 percent
Gravel content--0 to 15 percent
Reaction--4.5 to 5.5
Thickness--5 to 15 cm
Bs horizon
Hue--10YR, 7.5YR
Value--3 to 5 moist or dry
Chroma--3 to 6 moist or dry
Fine-earth texture--loam, silt loam, sandy loam
Clay content--8 to 17 percent
Total rock fragment content--15 to 35 percent
Gravel content--15 to 35 percent
Cobble content--0 to 10 percent
Reaction--4.5 to 5.5
Thickness--15 to 30 cm
Bw horizons
Hue--10YR or 7.5YR
Value--3 to 5 moist or dry
Chroma--2 to 4 moist or dry
Fine-earth texture--loam, sandy loam
Clay content--8 to 17 percent
Total rock fragment content--35 to 60 percent
Gravel content--35 to 60 percent
Cobble content--0 to 15 percent
Reaction--4.5 to 5.5
Combined thickness--90 to 120 cm
COMPETING SERIES: None
GEOGRAPHIC SETTING:
Elevation--100 to 300 m
Climate--warm, moist summers; mild, wet winters
Mean annual precipitation--2000 to 3000 mm
Mean annual air temperature--10 to 14 degrees C
Frost-free period--180 to 240 days
GEOGRAPHICALLY ASSOCIATED SOILS:
Marymere--no albic or spodic horizons; occurs on alluvial terraces adjacent to similar landforms
Mountmeany--has umbric epipedon and coarse loamy particle size class; occurs on alluvial terraces adjacent to similar landforms
Saghalie--no albic or spodic horizons; occurs on similar landforms
Rica--has aquic conditions within 50 cm of soil surface; occurs on 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 and recreation
Potential natural vegetation--Sitka spruce, western hemlock, western red-cedar, Douglas-fir, red huckleberry, oval-leaf huckleberry, western swordfern, salmonberry, salal, Oregon oxalis, western cordilleran bunchberry
DISTRIBUTION AND EXTENT: Olympic Mountains and Coast, Washington; MLRA's 1 and 4a; moderate extent
SOIL SURVEY REGIONAL OFFICE (SSRO) RESPONSIBLE: Bozeman, Montana
SERIES PROPOSED: Olympic National Park, Clallam County, Washington 2023; name from Jolley Creek in Olympic National Park
REMARKS:
Diagnostic horizons and other features in this pedon
*Particle-size control section--zone from 35 to 110 cm
*Ochric epipedon
*Andic subgroup properties--zone from 10 to 77 cm; AO extractable Al + Fe is 1 to 2 percent and Db is 0.9 to 1.0
*Albic horizon--zone from 10 to 18 cm
*Spodic horizon--zone from 18 to 39 cm
National Cooperative Soil Survey
U.S.A.