IDENTIFIERS

  • Current Taxon Name (Soil Name): Coulterville
  • OSD
  • Series Extent
  • User Site ID: 1977IL157018
  • User Pedon ID: 1977IL157018
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 77IL157018
  • NCSS Pedon Lab Data NASIS Record ID - 20893
  • Print Date: 12/4/2024

    • 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: 38.0739885
  • Std. Longitude: -89.7289992
  • Datum: WGS84
  • Township: 5S
  • Range: 6W
  • Section: 26
  • PLSS Details: 1800 feet west and 100 feet south of northeast corner
  • State: Illinois
  • County: IL157—Randolph
  • MLRA: 114—Southern Illinois and Indiana Thin Loess and Till Plain
  • Non-MLRA Soil Survey Area: IL157—Randolph County, Illinois
  • 7.5 Minute USGS Quad: 38089-A6—Steeleville, Illinois

    • PEDON

  • Describers Name: GH, MEL
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Aeric Epiaqualfs
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Pedon #: 18
  • Correlated Information:
  • Soil Name - Coulterville
  • PSC - 28 to 78 cm.
  • Classificaton Date - 7/10/2009
  • Moisture Class - aquic
  • Moisture Subclass - aeric
  • Sampled As Information:
  • Soil Name - Darmstadt
  • Classificaton Date - 10/1/1977
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1977 (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 -
    • 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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    154

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    Ap—0 to 15 centimeters (0.0 to 5.9 inches); brown (10YR 4/3) silt loam; moderate medium granular structure; friable; fragments; neutral, pH 6.9; abrupt smooth boundary. Lab sample # IL25237
    A2—15 to 28 centimeters (5.9 to 11.0 inches); brown (10YR 5/3) silt loam; moderate medium platy structure; friable; fragments; strongly acid, pH 5.1; clear smooth boundary. Lab sample # IL25238
    B21t—28 to 46 centimeters (11.0 to 18.1 inches); yellowish brown (10YR 5/4) silty clay loam; 10 percent strong brown (7.5YR 5/6) medium distinct mottles; moderate medium subangular blocky structure; firm; brown (10YR 4/3), moist, clay films on all faces of peds; fragments; moderately acid, pH 5.8; clear smooth boundary. Lab sample # IL25239. discontinuous - phpvsfiid 465287; discontinuous - phpvsfiid 465287
    B22t—46 to 69 centimeters (18.1 to 27.2 inches); brown (10YR 5/3) silty clay loam; 10 percent strong brown (7.5YR 5/6) medium distinct mottles; moderate medium prismatic structure; firm; grayish brown (10YR 5/2), moist, clay films on all faces of peds; very dark grayish brown (10YR 3/2), moist, iron-manganese concretions; fragments; slightly acid, pH 6.1; clear smooth boundary. Lab sample # IL25240. discontinuous - phpvsfiid 465288; discontinuous - phpvsfiid 465288
    B3—69 to 127 centimeters (27.2 to 50.0 inches); brown (10YR 5/3) silt loam; 10 percent strong brown (7.5YR 5/6) medium distinct mottles; moderate medium prismatic structure; firm; dark yellowish brown (10YR 4/4), moist, clay films on all faces of peds; grayish brown (10YR 5/2), moist, iron-manganese concretions; fragments; slightly alkaline, pH 7.7; clear smooth boundary. Lab sample # IL25241. discontinuous - phpvsfiid 465289; discontinuous - phpvsfiid 465289
    C1—127 to 165 centimeters (50.0 to 65.0 inches); dark yellowish brown (10YR 4/4) silt loam; 10 percent grayish brown (10YR 5/2) medium distinct mottles; massive; firm; fragments; moderately alkaline, pH 8.0; clear smooth boundary. Lab sample # IL25242
    C2—165 to 183 centimeters (65.0 to 72.0 inches); grayish brown (10YR 5/2) silt loam; 10 percent dark yellowish brown (10YR 4/4) medium distinct mottles; massive; firm; fragments; moderately alkaline, pH 8.3. Lab sample # IL25243