LOCATION RINGLAKE                WA

Tentative Series
IRD. MGR/AJF/MPR
01/2025

RINGLAKE SERIES

Landscape--mountains
Landform--depressions of ridges, structural benches, glacial valley walls, and colluvial aprons
Slope--0 to 5 percent
Parent material--residuum
Mean annual precipitation--about 3000 mm
Mean annual air temperature--about 4 degrees C
Depth class--very deep
Drainage class--poorly drained
Soil moisture regime--aquic
Soil temperature regime--cryic
Soil moisture subclass--typic

TAXONOMIC CLASS: Loamy-skeletal, isotic, acid Histic Cryaquepts

TYPICAL PEDON: Ringlake very gravelly sandy loam on a northeast facing, non-forested depression on a structural bench with a slope of 0 percent and an elevation of 1000 m. (The soil was moist throughout when described).

Oe--0 to 10 cm; mucky peat; clear smooth boundary

Oa--10 to 27 cm; muck; abrupt wavy boundary

Bg1--27 to 60 cm; gray (6/N) dry, gray (5/N) very gravelly loam; moderate medium subangular blocky structure; soft, very friable; slightly sticky, moderately plastic; few fine roots; common medium interstitial and common fine tubular and irregular pores; 30 percent gravel, 15 percent cobbles; very strongly acid (pH 4.6); strong sulfurous odor; clear smooth boundary

Bg2--60 to 150 cm; greenish gray (10Y/6) dry, greenish gray (10Y/5) very gravelly sandy loam; structureless massive; slightly sticky, slightly plastic; few fine interstitial pores; 35 percent gravel, 15 percent cobbles; very strongly acid (pH 4.7); strong sulfurous odor; clear smooth boundary

TYPE LOCATION: Jefferson County, Washington, near 3 Lakes Campsite on the Skyline Trail in Olympic National Park
Latitude--47.6009910
Longitude-- -123.7221010
Datum--WGS84

RANGE IN CHARACTERISTICS:
Mean annual soil temperature--0 to 7 degrees C
Depth to aquic conditions--0 to 25 cm from the mineral soil surface
Histic epipedon thickness--20 to 30 cm

Particle-size control section
*Clay content--8 to 18 percent
*Total rock fragment content--35 to 60 percent
*Gravel content--25 to 55 percent
*Cobble content--0 to 30 percent

O horizons
Combined thickness--20 to 30 cm

Bg1 and Bg2 horizons
Hue--10YR, 10Y, or N
Value--4 to 6 dry or moist
Chroma--1 or 2, if applicable 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--more than 100 cm

COMPETING SERIES: None

GEOGRAPHIC SETTING:
Elevation--900 to 1900 m
Climate--cool, dry summers; cold, wet winters
Mean annual precipitation--1500 to 4000 mm
Mean annual air temperature--0 to 6 degrees C
Frost-free period--30 to 90 days

GEOGRAPHICALLY ASSOCIATED SOILS:
Ignarcreek, Nonamecreek--no saturation or histic epipedon, albic and spodic horizons; glacial valley walls and colluvial aprons
Mountmystery, Grandpass, Hungrycreek--no saturation or histic epipedon; glacial valley walls and colluvial aprons
Allincreek, Cultuscreek, Mountfromme--no saturation or histic epipedon, lithic contact within 25 to 50 cm of the soil surface; structural benches and cirques

DRAINAGE AND SATURATED HYDRAULIC CONDUCTIVITY:
Drainage class--poorly drained
Saturation in normal years--above the surface November through June, seasonally high water table top depth of 0 to 25 cm July through October
Flooding--none
Ponding--frequent, long
Saturated hydraulic conductivity (Ksat)--high or very high throughout

USE AND VEGETATION:
Use--wildlife habitat, recreation
Potential natural vegetation--Marsh marigold, fireleaf leptarrhena, black sedge, showy sedge

DISTRIBUTION AND EXTENT: Olympic Mountains, Washington; MLRA 1; small extent

SOIL SURVEY REGIONAL OFFICE (SSRO) RESPONSIBLE: Bozeman, Montana

SERIES PROPOSED: Olympic National Park, Jefferson County, Washington; 2023; name from Ring lake in Olympic National Park

REMARKS:
Diagnostic horizons and other features in this pedon
*Particle-size control section--zone from 52 to 127 cm
*Histic epipedon--zone from 0 to 27 cm
*Aquic conditions--zone from 0 to 150 cm
*Reduced matrix--zone from 27 to 150 cm

---

National Cooperative Soil Survey
U.S.A.