IDENTIFIERS

  • Current Taxon Name (Soil Name): Threebear
  • OSD
  • Series Extent
  • User Site ID: S2007ID057006
  • User Pedon ID: S2007ID057006
  • Vegetation Plot ID: S2007ID057006
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 07N0663
  • NCSS Pedon Lab Data NASIS Record ID - 19394
  • Print Date: 11/12/2024
  • LOCATION

  • Location In Web Soil Survey
  • AOI is roughly a square mile and pedon is marked in the center.
  • Location in SoilWeb
  • Location in Google Maps
  • Std. Latitude: 46.8628349
  • Std. Longitude: -116.5335846
  • Datum: WGS84
  • Township: 41N
  • Range: 2W
  • Section: 36
  • PLSS Details: 854m west and 67m south of the NE corner
  • Map Unit: Hm1—Norwidge-Threebear complex, 5 to 30 percent slopes
  • Country: US—United States
  • State: Idaho
  • County: ID057—Latah
  • MLRA: 43A—Northern Rocky Mountains
  • Non-MLRA Soil Survey Area: ID057—Latah County, Idaho
  • 7.5 Minute USGS Quad: 46116-G5—Deary, Idaho
  • PEDON

  • Describers Name: B. Gardner
  • Current Taxonomic Class: Medial over loamy, amorphic over mixed, active, frigid Aquic Udivitrands
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: PedonPC
  • Pedon #: 6
  • Correlated Information:
  • Soil Name - Threebear
  • PSC - 3 to 103 cm.
  • Classificaton Date - 3/27/2013
  • Classifier - Brian Gardner
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Threebear
  • Taxonomic Class - Ashy over loamy, amorphic over mixed, active, frigid Oxyaquic Udivitrands
  • Classificaton Date - 6/3/2007
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: volcanic ash over loess over reworked loess
  • Landscape: hills
  • Landform: hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: footslope
  • Slope Position: lower third
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: concave
  • Runoff: low
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

  • Other Vegetative Class: CN570 - western hemlock/queencup beadlily—Forest Habitat Types of Northern Idaho (GTR-INT-236)
  • SITE OBSERVATION

  • Observation Date: 6/3/2007 (actual site observation date)
  • Plant Association Name: TSHE-CLUN
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - conifers
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ABGR

    ANPI

    CLUN2

    COOC

    ROGY

    SMST

    SYAL

    THOC

    THPL

    TSHE

    VAGL

    VIOR

    Abies grandis

    Anemone piperi

    Clintonia uniflora

    Coptis occidentalis

    Rosa gymnocarpa

    Smilacina stellata

    Symphoricarpos albus

    Thalictrum occidentale

    Thuja plicata

    Tsuga heterophylla

    Vaccinium globulare

    Viola orbiculata

    grand fir

    Piper's anemone

    bride's bonnet

    Idaho goldthread

    dwarf rose

    common snowberry

    western meadow-rue

    western redcedar

    western hemlock

    darkwoods violet

    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    fragipan

    very strongly coherent

    100 - 152

    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    andic soil properties

    cambic horizon

    albic materials

    albic horizon

    glossic horizon

    argillic horizon

    fragipan

    0—9

    3—49

    9—49

    49—117

    49—77

    77—117

    100—152

    100—152

    —-

    —-

    —-

    —-

    —-

    —-

    —-

    —-

    Setting and Climate
    Slope Slope Length USLE Upslope Length Elev. Corr. Elev Aspect MAP REAP FFD MAAT MSAT MWAT MAST MSST MWST MFFP PE Index Climate Station ID Climate Station Name Climate Station Type
    % m degrees mm mm C mm

    10

    913

    45

    991

    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments; abrupt wavy boundary. Lab sample # 07N04068; observed in pit, small
    A—3 to 9 centimeters (1.2 to 3.5 inches); dark brown (7.5YR 3/2), brown (10YR 4/3), dry; ashy silt loam; 8 percent clay; weak fine subangular blocky parts to weak very fine granular, and weak medium subangular blocky parts to weak fine granular structure; soft, very friable, nonsticky, nonplastic; 2.0 very fine roots throughout and 1.0 fine roots throughout; 3.0 very fine interstitial pores; 2 percent by volume nonflat subangular indurated 2-5-10 millimeter quartz fragments; moderately acid, pH 5.7; abrupt wavy boundary. Lab sample # 07N04069; observed in pit, small
    Bw1—9 to 30 centimeters (3.5 to 11.8 inches); dark yellowish brown (10YR 4/6), brownish yellow (10YR 6/6), dry; ashy silt loam; 8 percent clay; weak fine subangular blocky, and weak medium subangular blocky structure; soft, very friable, nonsticky, nonplastic; 2.0 very fine roots throughout and 1.0 medium roots throughout and 2.0 fine roots throughout and 1.0 coarse roots throughout; 3.0 very fine interstitial pores; 1 percent by volume nonflat subangular indurated 2-5-10 millimeter quartz fragments; slightly acid, pH 6.2; gradual wavy boundary. Lab sample # 07N04070; observed in pit, small
    Bw2—30 to 49 centimeters (11.8 to 19.3 inches); dark yellowish brown (10YR 3/6), very pale brown (10YR 7/4), dry; ashy silt loam; 8 percent clay; weak fine subangular blocky, and weak medium subangular blocky structure; soft, very friable, nonsticky, nonplastic; 1.0 very fine roots throughout and 1.0 medium roots throughout and 1.0 fine roots throughout and 0.5 coarse roots throughout; 3.0 very fine interstitial pores; fragments; slightly acid, pH 6.1; abrupt irregular boundary. Lab sample # 07N04071; observed in pit, small
    2E—49 to 77 centimeters (19.3 to 30.3 inches); brown (10YR 5/3), very pale brown (10YR 7/3), dry; silt loam; 13 percent clay; moderate medium subangular blocky structure; hard, friable, slightly sticky, moderately plastic; 1.0 very fine roots between peds and 0.5 medium roots throughout; 5.0 very fine tubular and 0.1 medium tubular pores; 5 percent faint silt coats on surfaces along pores; 15 percent medium faint irregular iron depletions with diffuse boundaries between peds; 1 percent by volume nonflat subangular indurated 2-5-10 millimeter quartz fragments; strongly acid, pH 5.5; clear wavy boundary. Lab sample # 07N04072; observed in pit, small
    2EB—77 to 100 centimeters (30.3 to 39.4 inches); 70 percent yellowish brown (10YR 5/4) and 30 percent strong brown (7.5YR 4/6), 70 percent very pale brown (10YR 7/3) and 30 percent yellowish brown (10YR 5/4), dry; silt loam; 17 percent clay; weak fine prismatic parts to moderate medium subangular blocky, and weak medium prismatic parts to moderate medium subangular blocky structure; hard, friable, slightly sticky, moderately plastic; 0.5 very fine roots between peds and 0.3 medium roots throughout; 3.0 very fine tubular and 0.1 medium tubular and 0.1 coarse tubular pores; 5 percent distinct clay films on surfaces along pores and 5 percent distinct clay films on all faces of peds; 3 percent medium distinct spherical iron-manganese nodules with sharp boundaries between peds and 70 percent medium faint irregular iron depletions with diffuse boundaries between peds; 1 percent by volume nonflat subangular indurated 2-5-10 millimeter quartz fragments; moderately acid, pH 5.6; clear wavy boundary. Lab sample # 07N04073; observed in pit, small
    2Btx/E—100 to 117 centimeters (39.4 to 46.1 inches); 80 percent yellowish brown (10YR 5/4) and 20 percent brown (10YR 5/3), 80 percent light yellowish brown (10YR 6/4) and 20 percent light gray (10YR 7/2), dry; silt loam; 22 percent clay; weak coarse prismatic parts to moderate medium subangular blocky structure; extremely hard, very firm, moderately sticky, very plastic; brittle; 0.3 very fine roots between peds and 0.1 medium roots between peds; 2.0 very fine interstitial and 3.0 very fine tubular pores; 5 percent prominent clay films on vertical faces of peds and 5 percent distinct clay films on surfaces along pores and 30 percent distinct clay films on all faces of peds; 20 percent medium distinct irregular iron depletions with clear boundaries between peds; 2 percent by volume nonflat subangular indurated 2-5-10 millimeter quartz fragments; 20 percent albic tongues (volume percent); moderately acid, pH 5.6; clear wavy boundary. Lab sample # 07N04074, 07N04075; observed in pit, small
    2Bt—117 to 152 centimeters (46.1 to 59.8 inches); dark yellowish brown (10YR 4/6), light yellowish brown (10YR 6/4), dry; silt loam; 23 percent clay; weak very coarse prismatic parts to moderate medium subangular blocky structure; extremely hard, very firm, moderately sticky, very plastic; brittle; 3.0 very fine tubular pores; 2 percent prominent clay films on surfaces along pores and 5 percent prominent clay films on vertical faces of peds; 5 percent medium distinct irregular iron depletions with clear boundaries between peds and 5 percent medium distinct irregular masses of oxidized iron with clear boundaries between peds; 2 percent by volume nonflat subangular indurated 2-5-10 millimeter quartz fragments; slightly acid, pH 6.2. Lab sample # 07N04076; observed in pit, small