IDENTIFIERS

  • Current Taxon Name (Soil Name): Coulterville
  • OSD
  • Series Extent
  • User Site ID: 1977IL157023
  • User Pedon ID: 1977IL157023
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 77IL157023
  • NCSS Pedon Lab Data NASIS Record ID - 20898
  • 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: 38.2088641
  • Std. Longitude: -89.9788962
  • Datum: WGS84
  • Township: 4S
  • Range: 8W
  • Section: 3
  • PLSS Details: 220 feet north and 480 feet east of southwest 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-B8—Red Bud, Illinois

    • PEDON

  • Describers Name: CCM, GH, MEL
  • Current Taxonomic Class: Fine, mixed, superactive, mesic Aeric Epiaqualfs
  • Current Taxon Kind: taxadjunct
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Pedon #: 23
  • Correlated Information:
  • Soil Name - Coulterville
  • PSC - 30 to 80 cm.
  • Classificaton Date - 7/10/2009
  • Moisture Class - aquic
  • Moisture Subclass - aeric
  • Sampled As Information:
  • Soil Name - Tamalco
  • Classificaton Date - 10/1/1977
  • 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: 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

    3

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    128

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    Ap—0 to 23 centimeters (0.0 to 9.1 inches); 90 percent dark grayish brown (10YR 4/2) and 10 percent dark yellowish brown (10YR 4/4) silt loam; moderate medium granular structure; friable; fragments; neutral, pH 6.6; abrupt smooth boundary. Lab sample # IL25263
    A2—23 to 30 centimeters (9.1 to 11.8 inches); yellowish brown (10YR 5/4) silt loam; moderate medium subangular blocky structure; firm; very dark gray (10YR 3/1), moist, iron-manganese concretions; fragments; neutral, pH 6.8; clear smooth boundary. Lab sample # IL25264
    B21t—30 to 56 centimeters (11.8 to 22.0 inches); dark yellowish brown (10YR 4/4) silty clay; moderate medium prismatic structure; very firm; 10 percent dark brown (10YR 3/3), moist, clay films on all faces of peds; very dark gray (10YR 3/1), moist, iron-manganese concretions; fragments; neutral, pH 7.0; clear smooth boundary. Lab sample # IL25265. patchy - phpvsfiid 465295; patchy - phpvsfiid 465295
    B22t—56 to 71 centimeters (22.0 to 28.0 inches); brown (10YR 4/3) silty clay loam; 10 percent strong brown (7.5YR 5/6) medium prominent mottles; moderate medium prismatic structure; firm; dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; very dark gray (10YR 3/1), moist, iron-manganese concretions; fragments; moderately alkaline, pH 8.2; gradual smooth boundary. Lab sample # IL25266. discontinuous - phpvsfiid 465296; discontinuous - phpvsfiid 465296
    B3—71 to 99 centimeters (28.0 to 39.0 inches); grayish brown (10YR 5/2) silty clay loam; 10 percent dark yellowish brown (10YR 4/4) medium prominent mottles; moderate medium prismatic structure; firm; dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; very dark gray (10YR 3/1), moist, iron-manganese concretions; fragments; moderately alkaline, pH 8.2; gradual smooth boundary. Lab sample # IL25267. discontinuous - phpvsfiid 465297; discontinuous - phpvsfiid 465297
    C1—99 to 165 centimeters (39.0 to 65.0 inches); grayish brown (2.5Y 5/2) silt loam; 25 percent dark yellowish brown (10YR 4/4) coarse distinct mottles; massive; friable; very dark gray (10YR 3/1), moist, iron-manganese concretions; fragments; moderately alkaline, pH 8.0. Lab sample # IL25268