IDENTIFIERS

  • Current Taxon Name (Soil Name): Downs
  • OSD
  • Series Extent
  • User Site ID: 1974IL163003
  • User Pedon ID: 1974IL163003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 74IL163003
  • NCSS Pedon Lab Data NASIS Record ID - 20763
  • Print Date: 6/1/2024

    • 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: 38.5284704
  • Std. Longitude: -90.0352679
  • Datum: WGS84
  • Township: 1N
  • Range: 8W
  • Section: 18
  • PLSS Details: 240 feet north exit from County Road 46 onto Route 460 west and 50 feet east from center of road
  • State: Illinois
  • County: IL163—St. Clair
  • Non-MLRA Soil Survey Area: IL163—St. Clair County, Illinois
  • 7.5 Minute USGS Quad: 38090-E1—French Village, Illinois

    • PEDON

  • Describers Name: DRG, JBJr, DLW
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Mollic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - Downs
  • PSC - 33 to 83 cm.
  • Classificaton Date - 7/10/2009
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Sicily
  • Classificaton Date - 6/1/1974
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/1/1974 (actual site observation date)
  • Air Photo ID:
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - hayland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Yield Study ID -
    • 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

    2

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    171

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    Ap—0 to 20 centimeters (0.0 to 7.9 inches); very dark grayish brown (10YR 3/2), light brownish gray (10YR 6/2), dry; silt loam; weak coarse platy, and weak fine granular structure; friable; fragments; slightly acid, pH 6.3; clear smooth boundary. Lab sample # IL22943
    B1—20 to 33 centimeters (7.9 to 13.0 inches); very dark grayish brown (10YR 3/2) silt loam; weak fine granular, and weak fine subangular blocky structure; friable; fragments; slightly acid, pH 6.2; abrupt smooth boundary. Lab sample # IL22944
    B21—33 to 48 centimeters (13.0 to 18.9 inches); dark brown (10YR 3/3) silt loam; moderate fine subangular blocky structure; friable; very dark grayish brown (10YR 3/2), moist, clay films on all faces of peds; fragments; slightly acid, pH 6.5; clear smooth boundary. Lab sample # IL22945. continuous - phpvsfiid 464724; continuous - phpvsfiid 464724
    B22—48 to 71 centimeters (18.9 to 28.0 inches); brown (10YR 4/3) silty clay loam; moderate subangular blocky structure; friable; very dark grayish brown (10YR 3/2), moist, clay films on all faces of peds; fragments; neutral, pH 6.6; clear smooth boundary. Lab sample # IL22946. continuous - phpvsfiid 464725; continuous - phpvsfiid 464725
    B23—71 to 97 centimeters (28.0 to 38.2 inches); dark yellowish brown (10YR 4/4) silty clay loam; 1 percent yellowish brown (10YR 5/6) fine faint and 1 percent grayish brown (10YR 5/2) fine faint mottles; weak medium prismatic, and moderate medium subangular blocky structure; firm; dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 1 percent masses of oxidized iron; fragments; slightly acid, pH 6.5; clear smooth boundary. Lab sample # IL22947. continuous - phpvsfiid 464726; continuous - phpvsfiid 464726
    B3—97 to 145 centimeters (38.2 to 57.1 inches); variegated grayish brown (10YR 5/2) and yellowish brown (10YR 5/6) and brown (10YR 4/3) silty clay loam; weak coarse prismatic structure; firm; dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 10 percent iron-manganese concretions; fragments; slightly acid, pH 6.5; clear smooth boundary. Lab sample # IL22948. discontinuous - phpvsfiid 464727; discontinuous - phpvsfiid 464727
    C—145 to 208 centimeters (57.1 to 81.9 inches); yellowish brown (10YR 5/4) and gray (10YR 6/1) silt loam; 1 percent gray (10YR 6/1) fine faint and 1 percent brown (7.5YR 4/4) fine distinct and 10 percent grayish brown (10YR 5/2) medium distinct and 10 percent yellowish brown (10YR 5/6) fine faint mottles; massive; friable; 10 percent iron-manganese concretions; fragments; slightly alkaline, pH 7.6; abrupt smooth boundary. Lab sample # IL22949