IDENTIFIERS

  • Current Taxon Name (Soil Name): OCONEE
  • OSD
  • Series Extent
  • User Site ID: S1990IL189045
  • User Pedon ID: S1990IL189045
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 91P0300
  • NCSS Pedon Lab Data NASIS Record ID - 63347
  • Print Date: 11/21/2024

    • 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: 38.3791656
  • Std. Longitude: -89.4375000
  • Datum: WGS84
  • Township: 2S
  • Range: 3W
  • Section: 4
  • PLSS Details: 2410 feet E and 1420 feet N of the SW corner
  • State: Illinois
  • County: IL189—Washington
  • MLRA: 113—Central Claypan Areas
  • Non-MLRA Soil Survey Area: IL189—Washington County, Illinois

    • PEDON

  • Describers Name: KDB, WMM, MRG
  • Current Taxonomic Class: Fine-silty, mixed, mesic Udollic Ochraqualfs
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 45
  • Correlated Information:
  • Soil Name - OCONEE
  • PSC - 38 to 88 cm.
  • Classificaton Date - 12/9/2004
  • Moisture Class - aquic
  • Sampled As Information:
  • Soil Name - Oconee
  • Taxonomic Class - Fine, montmorillonitic, mesic Udollic Ochraqualf
  • Taxon Kind - series
  • Classificaton Date - 10/3/1990
  • Moisture SUBClass - udic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess
  • Landform: upland slope
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/3/1990 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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

    —

    —

    —

    140

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 20 centimeters (0.0 to 7.9 inches); silt loam; 16 percent clay; moderate fine granular structure; friable; 3.0 fine roots; fragments; neutral, pH 6.8; abrupt smooth boundary. Lab sample # 91P01831; moist when described;
    E—20 to 38 centimeters (7.9 to 15.0 inches); silt loam; 18 percent clay; moderate medium granular, and weak fine platy structure; friable; 3.0 fine roots; 30 percent distinct very dark gray (10YR 3/1), moist, organic stains; 10 percent iron-manganese nodules; fragments; neutral, pH 6.8; abrupt smooth boundary. Lab sample # 91P01832; moist when described;
    Bt—38 to 53 centimeters (15.0 to 20.9 inches); silty clay loam; 35 percent clay; 3 percent yellowish brown (10YR 5/6) medium distinct mottles; moderate medium subangular blocky, and moderate medium prismatic structure; firm; 3.0 fine roots; 10 percent distinct very dark grayish brown (10YR 3/2), moist, organic stains and 75 percent distinct dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 10 percent iron-manganese nodules; fragments; slightly acid, pH 6.2; clear smooth boundary. Lab sample # 91P01833; moist when described;
    Btg1—53 to 79 centimeters (20.9 to 31.1 inches); silty clay loam; 35 percent clay; 3 percent yellowish brown (10YR 5/8) medium prominent mottles; moderate medium prismatic, and moderate medium subangular blocky structure; firm; 0.5 very fine roots; 30 percent distinct gray (10YR 5/1), moist, clay films on all faces of peds; 10 percent iron-manganese nodules; fragments; slightly acid, pH 6.4; clear smooth boundary. Lab sample # 91P01834; moist when described;
    Btg2—79 to 104 centimeters (31.1 to 40.9 inches); silty clay loam; 35 percent clay; 1 percent dark yellowish brown (10YR 4/6) medium prominent and 3 percent yellowish brown (10YR 5/8) medium prominent mottles; moderate medium prismatic, and moderate medium subangular blocky structure; firm; 0.5 very fine roots; 30 percent distinct grayish brown (2.5Y 5/2), moist, clay films on all faces of peds; 10 percent iron-manganese nodules; fragments; neutral, pH 6.6; clear smooth boundary. Lab sample # 91P01835; moist when described;
    Btg3—104 to 119 centimeters (40.9 to 46.9 inches); silt loam; 24 percent clay; 1 percent yellowish brown (10YR 5/6) fine prominent mottles; moderate medium prismatic structure; friable; 0.5 very fine roots; 30 percent distinct olive gray (5Y 5/2), moist, clay films on all faces of peds; 10 percent iron-manganese nodules; fragments; neutral, pH 6.6; clear smooth boundary. Lab sample # 91P01836; moist when described;
    Btg4—119 to 140 centimeters (46.9 to 55.1 inches); silt loam; 26 percent clay; 1 percent strong brown (7.5YR 4/6) medium prominent and 3 percent yellowish brown (10YR 5/4) medium prominent mottles; moderate medium prismatic structure; friable; 0.5 very fine roots; 30 percent distinct olive gray (5Y 5/2), moist, clay films on all faces of peds; 10 percent iron-manganese nodules; fragments; neutral, pH 6.6; gradual smooth boundary. Lab sample # 91P01837; moist when described;
    Btg5—140 to 152 centimeters (55.1 to 59.8 inches); silt loam; 23 percent clay; 1 percent strong brown (7.5YR 4/6) medium prominent and 3 percent yellowish brown (10YR 5/8) medium prominent mottles; moderate medium prismatic structure; friable; 0.5 very fine roots; 10 percent distinct olive gray (5Y 5/2), moist, clay films on all faces of peds; 10 percent iron-manganese nodules; fragments; neutral, pH 6.6. Lab sample # 91P01838; moist when described;