IDENTIFIERS

  • Current Taxon Name (Soil Name): Coulterville
  • OSD
  • Series Extent
  • User Site ID: 1977IL157017
  • User Pedon ID: 1977IL157017
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 77IL157017
  • NCSS Pedon Lab Data NASIS Record ID - 20892
  • 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: 38.2095976
  • Std. Longitude: -89.6628195
  • Datum: WGS84
  • Township: 4S
  • Range: 5W
  • Section: 4
  • PLSS Details: 960 feet south and 1800 feet west of center
  • 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-B6—Tilden, Illinois

    • PEDON

  • Describers Name: CCM, 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 #: 17
  • Correlated Information:
  • Soil Name - Coulterville
  • PSC - 20 to 70 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 - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess
  • Drainage Class: somewhat poorly
  • 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 - 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

    5

    —

    —

    149

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    Ap—0 to 20 centimeters (0.0 to 7.9 inches); dark brown (10YR 3/3) silt loam; weak medium subangular blocky structure; friable; fragments; neutral, pH 6.8; abrupt smooth boundary. Lab sample # IL25230
    B21t—20 to 33 centimeters (7.9 to 13.0 inches); dark yellowish brown (10YR 4/4) silty clay loam; 10 percent yellowish red (5YR 5/6) medium distinct mottles; weak medium angular blocky structure; firm; brown (10YR 4/3), moist, clay films on all faces of peds; 1 percent fine very dark grayish brown (10YR 3/2), moist, iron-manganese concretions; fragments; moderately acid, pH 6.0; abrupt smooth boundary. Lab sample # IL25231
    B22t—33 to 43 centimeters (13.0 to 16.9 inches); pale brown (10YR 6/3) silty clay loam; 10 percent yellowish red (5YR 5/6) medium distinct mottles; moderate coarse prismatic, and moderate coarse angular blocky structure; firm; brown (10YR 4/3), moist, clay films on all faces of peds and dark grayish brown (10YR 4/2), moist, organic stains on all faces of peds; 1 percent fine very dark grayish brown (10YR 3/2), moist, iron-manganese concretions; fragments; slightly acid, pH 6.4; clear smooth boundary. Lab sample # IL25232
    B23t—43 to 61 centimeters (16.9 to 24.0 inches); grayish brown (10YR 5/2) silt loam; 5 percent yellowish red (5YR 5/6) medium distinct and 5 percent brownish yellow (10YR 6/6) medium distinct mottles; moderate coarse prismatic, and moderate coarse angular blocky structure; very firm; 1 percent fine very dark grayish brown (10YR 3/2), moist, iron-manganese concretions; fragments; slightly alkaline, pH 7.4; clear smooth boundary. Lab sample # IL25233
    B3—61 to 84 centimeters (24.0 to 33.1 inches); grayish brown (10YR 5/2) silt loam; 10 percent yellowish brown (10YR 5/4) medium distinct mottles; weak coarse subangular blocky structure; very firm; 1 percent fine very dark grayish brown (10YR 3/2), moist, iron-manganese concretions; fragments; slight effervescence; moderately alkaline, pH 8.0; clear smooth boundary. Lab sample # IL25234
    C1—84 to 107 centimeters (33.1 to 42.1 inches); gray (10YR 6/1) silt loam; massive; firm; fragments; slight effervescence; moderately alkaline, pH 8.0. Lab sample # IL25235
    C2—107 to 163 centimeters (42.1 to 64.2 inches); dark gray (10YR 4/1) silt loam; massive; firm; strong brown (7.5YR 5/6), moist, iron-manganese concretions; fragments; slight effervescence; moderately alkaline, pH 8.2. Lab sample # IL25236