IDENTIFIERS

  • Current Taxon Name (Soil Name): Southwick
  • OSD
  • Series Extent
  • User Site ID: S2003ID009004
  • User Pedon ID: S2003ID009004
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 04N0222
  • NCSS Pedon Lab Data NASIS Record ID - 16439
  • Print Date: 4/26/2025
  • 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: 47.1313896
  • Std. Longitude: -116.8944473
  • Datum: WGS84
  • Township: 44N
  • Range: 4W
  • Section: 30
  • PLSS Details: 1080 feet South and 380 feet East of the Northwest corner
  • Country: US—United States
  • State: Idaho
  • County: ID009—Benewah
  • PEDON

  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Vitrandic Argixerolls
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Pedon #: 4
  • Correlated Information:
  • Soil Name - Southwick
  • Classificaton Date - 11/7/2013
  • Classifier - Brian Gardner
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - xeric
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Southwick
  • Taxonomic Class - Fine-silty, mixed, superactive, mesic Oxyaquic Argixerolls
  • Taxon Kind - series
  • Classificaton Date - 11/1/2004
  • Soil Taxonomic Edition - ninth edition
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: loess and/or silty sediments
  • Landform: loess hill on plain, loess hill on plateau
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/1/2004 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    volcanic glass

    mollic epipedon

    cambic horizon

    albic horizon

    argillic horizon

    4—25

    4—61

    46—61

    61—81

    81—178

    —-

    —-

    —-

    —-

    —-

    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

    58

    8

    Oi—0 to 3 centimeters (0.0 to 1.2 inches); fragments.
    Oe—3 to 4 centimeters (1.2 to 1.6 inches); fragments.
    A1—4 to 25 centimeters (1.6 to 9.8 inches); dark grayish brown (10YR 4/2), very dark brown (10YR 2/2), moist; silt loam; moderate fine and medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 21.0 very fine and fine roots and 21.0 medium roots; 21.0 fine irregular pores; fragments; moderately acid, pH 6.0; clear smooth boundary. Lab sample # 04N00979
    A2—25 to 46 centimeters (9.8 to 18.1 inches); dark grayish brown (10YR 4/2), very dark brown (10YR 2/2), moist; silt loam; weak fine and medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 3.0 very fine and fine roots and 3.0 medium roots; 3.0 very fine and fine tubular pores; fragments; moderately acid, pH 6.0; diffuse smooth boundary.
    Bw—46 to 61 centimeters (18.1 to 24.0 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; silt loam; weak medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 3.0 very fine and fine roots and 3.0 medium roots; 21.0 very fine tubular and 3.0 medium tubular and 3.0 fine tubular pores; fragments; moderately acid, pH 6.0; clear smooth boundary.
    E—61 to 81 centimeters (24.0 to 31.9 inches); light gray (10YR 7/2), brown (10YR 5/3), moist; silt loam; weak medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 3.0 very fine and fine roots and 0.5 medium roots; 21.0 very fine tubular pores; fragments; moderately acid, pH 6.0; clear wavy boundary.
    Btb1—81 to 119 centimeters (31.9 to 46.9 inches); brown (10YR 5/3), brown (10YR 4/3), moist; silty clay loam; strong medium and coarse prismatic structure; slightly hard, very firm, moderately sticky, slightly plastic; 3.0 very fine and fine roots between peds; 21.0 very fine and fine tubular pores; 3 percent prominent clay films on all faces of peds; fragments; slightly acid, pH 6.2; diffuse smooth boundary.
    Btb2—119 to 155 centimeters (46.9 to 61.0 inches); yellowish brown (10YR 5/4), dark yellowish brown (10YR 4/4), moist; silty clay loam; moderate medium and coarse prismatic structure; very hard, very firm, moderately sticky, moderately plastic; 0.5 very fine and fine roots between peds; 21.0 very fine and fine tubular pores; 30 percent prominent clay films on all faces of peds; fragments; slightly acid, pH 6.4; gradual smooth boundary.
    Btb3—155 to 178 centimeters (61.0 to 70.1 inches); pale brown (10YR 6/3), dark yellowish brown (10YR 4/4), moist; silty clay loam; weak medium and coarse prismatic structure; hard, firm, slightly sticky, slightly plastic; 0.5 fine roots between peds; 21.0 very fine and fine tubular and 0.5 medium tubular pores; 10 percent distinct clay films on all faces of peds; fragments; slightly acid, pH 6.3.