IDENTIFIERS

  • Current Taxon Name (Soil Name): Cowden
  • OSD
  • Series Extent
  • User Site ID: 1979IL133011
  • User Pedon ID: 1979IL133011
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 79IL133011
  • NCSS Pedon Lab Data NASIS Record ID - 21089
  • 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: 38.3002432
  • Std. Longitude: -89.9990387
  • Datum: WGS84
  • Township: 3S
  • Range: 8W
  • Section: 4
  • PLSS Details: 2200 feet N & 15 feet E of SW corner
  • State: Illinois
  • County: IL133—Monroe
  • MLRA: 114—Southern Illinois and Indiana Thin Loess and Till Plain
  • Non-MLRA Soil Survey Area: IL133—Monroe County, Illinois
  • 7.5 Minute USGS Quad: 38089-C8—New Athens West, Illinois

    • PEDON

  • Describers Name: H, O'G
  • Current Taxonomic Class: Fine, smectitic, mesic Mollic Albaqualfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: map unit inclusion
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 11
  • Correlated Information:
  • Soil Name - Cowden
  • PSC - 28 to 78 cm.
  • Classificaton Date - 1/4/2010
  • Moisture Class - aquic
  • Sampled As Information:
  • Soil Name - Piasa
  • Classificaton Date - 12/1/1978
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: Peoria loess
  • Landscape: upland
  • Landform: divide
  • Runoff: negligible
  • Drainage Class: poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/1/1978 (actual site observation date)
  • Air Photo ID:
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - row crop
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Yield Study ID -
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—28

    28—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

    1

    —

    —

    142

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 18 centimeters (0.0 to 7.1 inches); very dark grayish brown (10YR 3/2), gray (10YR 6/1), dry; silt loam; moderate fine granular structure; friable; 0.6 fine roots between peds; fragments; neutral, pH 7.0, lamotte-morgan; abrupt smooth boundary. Lab sample # IL26517; observed in push tube
    A2—18 to 28 centimeters (7.1 to 11.0 inches); gray (10YR 5/1), light gray (10YR 7/1), dry; silt loam; 1 percent yellowish brown (10YR 5/6) fine distinct mottles; moderate fine subangular blocky structure; friable; 0.6 fine roots between peds; 25 percent distinct very dark grayish brown (10YR 3/2), moist, organic stains on all faces of peds; fragments; slightly acid, pH 6.3, lamotte-morgan; abrupt smooth boundary. Lab sample # IL26518; observed in push tube. discontinuous - phpvsfiid 480615; discontinuous - phpvsfiid 480615
    B21t—28 to 41 centimeters (11.0 to 16.1 inches); dark grayish brown (2.5Y 4/2) silty clay loam; 10 percent dark yellowish brown (10YR 4/6) medium prominent mottles; moderate fine subangular blocky structure; friable; 0.6 fine roots between peds; 25 percent prominent very dark grayish brown (10YR 3/2), moist, organic stains on all faces of peds; 1 percent fine prominent iron-manganese masses in matrix; fragments; moderately acid, pH 5.8, lamotte-morgan; clear smooth boundary. Lab sample # IL26519; observed in push tube. discontinuous - phpvsfiid 480609; discontinuous - phpvsfiid 480609
    B22tg—41 to 56 centimeters (16.1 to 22.0 inches); dark grayish brown (2.5Y 4/2) silty clay loam; 10 percent yellowish brown (10YR 5/8) medium prominent mottles; moderate medium prismatic parts to moderate medium subangular blocky structure; friable; 0.6 fine roots between peds; 25 percent distinct dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 1 percent fine prominent iron-manganese masses in matrix; fragments; slightly acid, pH 6.3, lamotte-morgan; clear smooth boundary. Lab sample # IL26520; observed in push tube. discontinuous - phpvsfiid 480610; discontinuous - phpvsfiid 480610
    B23tg—56 to 76 centimeters (22.0 to 29.9 inches); grayish brown (2.5Y 5/2) silty clay loam; 1 percent reddish brown (5YR 4/4) medium prominent and 1 percent strong brown (7.5YR 5/8) fine prominent mottles; moderate medium prismatic parts to moderate medium subangular blocky structure; friable; 0.6 fine roots between peds; 25 percent faint dark grayish brown (2.5Y 4/2), moist, clay films on all faces of peds; 1 percent fine prominent iron-manganese masses in matrix; fragments; slightly alkaline, pH 7.6, lamotte-morgan; clear smooth boundary. Lab sample # IL26521; observed in push tube. discontinuous - phpvsfiid 480611; discontinuous - phpvsfiid 480611
    B24tg—76 to 94 centimeters (29.9 to 37.0 inches); grayish brown (2.5Y 5/2) silt loam; 5 percent yellowish red (5YR 5/8) medium prominent and 5 percent strong brown (7.5YR 4/6) medium prominent mottles; moderate medium subangular blocky structure; friable; 25 percent faint dark grayish brown (2.5Y 4/2), moist, clay films on all faces of peds; 10 percent medium prominent iron-manganese concretions in matrix; fragments; moderately alkaline, pH 8.1, lamotte-morgan; clear smooth boundary. Lab sample # IL26522; observed in push tube. discontinuous - phpvsfiid 480612; discontinuous - phpvsfiid 480612
    B25tg—94 to 109 centimeters (37.0 to 42.9 inches); grayish brown (2.5Y 5/2) silt loam; 25 percent strong brown (7.5YR 4/6) medium mottles; moderate medium subangular blocky structure; friable; 25 percent faint dark grayish brown (2.5Y 4/2), moist, clay films on all faces of peds; 1 percent medium prominent iron-manganese masses in matrix; fragments; moderately alkaline, pH 8.1, lamotte-morgan; clear smooth boundary. Lab sample # IL26523; observed in push tube. discontinuous - phpvsfiid 480614; discontinuous - phpvsfiid 480614
    B3tg—109 to 152 centimeters (42.9 to 59.8 inches); olive gray (5Y 5/2) silt loam; 5 percent yellowish red (5YR 4/6) medium prominent and 5 percent strong brown (7.5YR 5/6) medium prominent mottles; weak medium subangular blocky structure; friable; 25 percent faint olive gray (5Y 4/2), moist, clay films on all faces of peds; fragments; moderately alkaline, pH 8.1, lamotte-morgan. Lab sample # IL26524, IL26525; observed in push tube. Horizon split for sampling: IL26524 109 to 130 cm, IL26525 130 to 152 cm.; discontinuous - phpvsfiid 480613; discontinuous - phpvsfiid 480613