IDENTIFIERS

  • Current Taxon Name (Soil Name): Oconee
  • OSD
  • Series Extent
  • User Site ID: S1984IL173021
  • User Pedon ID: 84IL173021
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 85P0239
  • NCSS Pedon Lab Data NASIS Record ID - 55955
  • Print Date: 2/16/2025

    • 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: 39.4644852
  • Std. Longitude: -88.9683914
  • Datum: WGS84
  • Township: 12N
  • Range: 2E
  • Section: 22
  • PLSS Details: 1530 feet E and 120 feet N of SW corner
  • Location Description: 2 miles NE of Dollville.
  • State: Illinois
  • County: IL173—Shelby
  • MLRA: 114—Southern Illinois and Indiana Thin Loess and Till Plain

    • PEDON

  • Describers Name: J. Witt, J. Bowen, and K. Gotsch
  • Current Taxonomic Class: Fine, smectitic, mesic Udollic Ochraqualfs
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 21
  • Correlated Information:
  • Soil Name - Oconee
  • PSC - 43 to 93 cm.
  • Classificaton Date - 7/11/2007
  • Moisture Class - udic
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Oconee
  • Taxonomic Class - Fine, montmorillonitic, mesic Udollic Ochraqualf
  • Taxon Kind - series
  • Classificaton Date - 4/1/1984
  • Moisture Class - aquic
  • Moisture SUBClass - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Landform: upland slope
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/1/1984 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—20

    43—94

    —-

    —-
    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

    0

    —

    —

    197

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

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    —

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    1Ap—0 to 20 centimeters (0.0 to 7.9 inches); very dark grayish brown (10YR 3/2) interior, grayish brown (10YR 5/2) interior, dry; silt loam; weak fine granular structure; friable; 2.5 very fine roots; 1 percent fine spherical iron-manganese concretions; fragments; neutral, pH 7.0, lamotte-morgan; abrupt smooth boundary. Lab sample # 85P01187; moist when described;. few fine iron-manganese concretions concentrations; common very fine roots
    1E—20 to 36 centimeters (7.9 to 14.2 inches); light brownish gray (10YR 6/2) interior silt loam; weak coarse platy, and weak fine granular structure; friable; 0.5 very fine roots; 37 percent distinct very dark grayish brown (10YR 3/2), moist, organic stains on faces of peds; 1 percent fine and medium spherical iron-manganese concretions; fragments; moderately acid, pH 5.8, lamotte-morgan; abrupt smooth boundary. Lab sample # 85P01188; moist when described;. few fine and medium iron-manganese concretions concentrations; common organic coats surface features on faces of peds; few very fine roots
    1BE—36 to 43 centimeters (14.2 to 16.9 inches); brown (10YR 5/3) interior silty clay loam; 1 percent dark yellowish brown (10YR 4/6) fine distinct mottles; weak medium platy, and weak fine subangular blocky structure; friable; 0.5 very fine roots; 15 percent distinct very dark grayish brown (10YR 3/2), moist, organic stains on faces of peds and 37 percent distinct light brownish gray (10YR 6/2), moist, skeletans on faces of peds and 37 percent distinct brown (10YR 4/3), moist, clay films on faces of peds; 1 percent fine spherical iron-manganese concretions; fragments; strongly acid, pH 5.3, lamotte-morgan; clear smooth boundary.; moist when described;. Not sampled.; few fine iron-manganese concretions concentrations; few organic coats surface features on faces of peds; common skeletans (sand or silt) surface features on faces of peds; common clay films surface features on faces of peds; few very fine roots; few fine distinct 10YR46 mottles
    1Btg1—43 to 56 centimeters (16.9 to 22.0 inches); grayish brown (10YR 5/2) interior silty clay loam; 11 percent dark yellowish brown (10YR 4/6) medium distinct mottles; moderate medium subangular blocky structure; firm; 0.5 very fine roots; 37 percent distinct brown (10YR 4/3), moist, clay films on faces of peds; 1 percent fine spherical iron-manganese concretions; fragments; strongly acid, pH 5.3, lamotte-morgan; clear smooth boundary. Lab sample # 85P01189; moist when described;. Combined with Btg2 in sampling.; few fine iron-manganese concretions concentrations; common clay films surface features on faces of peds; few very fine roots; common medium distinct 10YR46 mottles
    1Btg2—56 to 76 centimeters (22.0 to 29.9 inches); grayish brown (10YR 5/2) interior silty clay loam; 30 percent dark yellowish brown (10YR 4/6) medium distinct mottles; moderate medium and coarse subangular blocky structure; firm; 0.5 very fine roots; 37 percent distinct dark grayish brown (2.5Y 4/2), moist, clay films on faces of peds; 11 percent medium spherical iron-manganese concretions; fragments; slightly acid, pH 6.3, lamotte-morgan; clear smooth boundary. Lab sample # 85P01189; moist when described;. Combined with Btg1 in sampling.; common medium iron-manganese concretions concentrations; common clay films surface features on faces of peds; few very fine roots; many medium distinct 10YR46 mottles
    1Btg3—76 to 94 centimeters (29.9 to 37.0 inches); grayish brown (2.5Y 5/2) interior silty clay loam; 1 percent light olive brown (2.5Y 5/4) fine faint and 11 percent dark yellowish brown (10YR 4/6) medium distinct mottles; moderate medium prismatic structure; firm; 0.5 very fine roots; 15 percent distinct very dark grayish brown (10YR 3/2), moist, organic stains in root channels and/or pores and 37 percent distinct dark grayish brown (2.5Y 4/2), moist, clay films on faces of peds; 1 percent medium spherical iron-manganese concretions; fragments; neutral, pH 7.0, lamotte-morgan; clear smooth boundary.; moist when described;. Not sampled.; few medium iron-manganese concretions concentrations; common clay films surface features on faces of peds; few organic coats surface features in root channels and/or pores; few very fine roots; common medium distinct 10YR46 mottles; few fine faint 2.5Y54 mottles
    1BCg—94 to 119 centimeters (37.0 to 46.9 inches); grayish brown (2.5Y 5/2) interior silty clay loam; 11 percent dark yellowish brown (10YR 4/6) medium distinct mottles; weak medium prismatic structure; friable; 0.5 very fine roots; very dark gray (10YR 3/1), moist, organic stains in root channels and/or pores; 11 percent fine spherical iron-manganese concretions; fragments; neutral, pH 7.0, lamotte-morgan; clear smooth boundary.; moist when described;. Not sampled.; common fine iron-manganese concretions concentrations; few very fine roots; common medium distinct 10YR46 mottles
    1Cg—119 to 152 centimeters (46.9 to 59.8 inches); grayish brown (2.5Y 5/2) interior silt loam; 30 percent yellowish brown (10YR 5/6) medium prominent mottles; massive; friable; 0.5 very fine roots; very dark gray (10YR 3/1), moist, organic stains in root channels and/or pores; 11 percent fine spherical iron-manganese concretions; fragments; neutral, pH 7.0, lamotte-morgan. Lab sample # 85P01190; moist when described;. common fine iron-manganese concretions concentrations; few very fine roots; many medium prominent 10YR56 mottles