IDENTIFIERS

  • Current Taxon Name (Soil Name): Coulterville
  • OSD
  • Series Extent
  • User Site ID: 1989IL027182
  • User Pedon ID: 1989IL027182
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 89IL027182
  • NCSS Pedon Lab Data NASIS Record ID - 22164
  • Print Date: 11/12/2024
  • 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: 38.5638056
  • Std. Longitude: -89.2651056
  • Datum: WGS84
  • Township: 1N
  • Range: 2W
  • Section: 1
  • PLSS Details: 2152 feet east and 1109 feet south of northwest corner
  • Location Description: Lake Township
  • State: Illinois
  • County: IL027—Clinton
  • MLRA: 113—Central Claypan Areas
  • Non-MLRA Soil Survey Area: IL027—Clinton County, Illinois
  • PEDON

  • Describers Name: D. B. G.
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Aeric Epiaqualfs
  • Pedon Record Orgin: PedonPC
  • Pedon #: 182
  • Correlated Information:
  • Soil Name - Coulterville
  • PSC - 15 to 65 cm.
  • Classificaton Date - 10/2/2008
  • Moisture Class - aquic
  • Moisture Subclass - aeric
  • Sampled As Information:
  • Soil Name - Darmstadt
  • Classificaton Date - 8/1/1989
  • Dynamic Soil Properties:
  • Erosion Class - 4
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: Peoria loess and/or Roxana loess and/or Illinoian till
  • Landscape: till plain
  • Landform: drainageway
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1989 (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 Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—15

    15—66

    —-

    —-

    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

    135.6

    Ap—0 to 15 centimeters (0.0 to 5.9 inches); dark brown (10YR 3/3) silty clay loam; moderate medium angular blocky structure; firm; distinct weak red (7.5R 4/2), moist, clay films on all faces of peds; medium distinct iron-manganese concretions in matrix and 10 percent fine distinct iron-manganese concretions in matrix; fragments; slightly acid, pH 6.4, lamotte-morgan; abrupt smooth boundary. Lab sample # IL34365. discontinuous - phpvsfiid 427891; discontinuous - phpvsfiid 427891
    Bt1—15 to 28 centimeters (5.9 to 11.0 inches); dark yellowish brown (10YR 3/4) silty clay loam; 10 percent grayish brown (10YR 5/2) medium prominent mottles; moderate medium prismatic structure; firm; distinct clay films on all faces of peds; medium prominent iron-manganese concretions in matrix and 10 percent fine prominent iron-manganese concretions in matrix; fragments; neutral, pH 6.6, lamotte-morgan; clear smooth boundary. Lab sample # IL34366. discontinuous - phpvsfiid 427890; discontinuous - phpvsfiid 427890
    Btg1—28 to 51 centimeters (11.0 to 20.1 inches); grayish brown (10YR 5/2) loam; 25 percent dark brown (7.5YR 3/4) coarse prominent mottles; moderate medium prismatic structure; firm; distinct very dark grayish brown (10YR 3/2), moist, clay films on all faces of peds; medium prominent iron-manganese concretions in matrix and 10 percent fine prominent iron-manganese concretions in matrix; fragments; neutral, pH 6.8, lamotte-morgan; clear smooth boundary. Lab sample # IL34367. discontinuous - phpvsfiid 427892; discontinuous - phpvsfiid 427892
    Btg2—51 to 66 centimeters (20.1 to 26.0 inches); grayish brown (10YR 5/2) loam; 10 percent brown (7.5YR 4/4) medium prominent mottles; moderate medium prismatic structure; firm; distinct clay films on all faces of peds; 10 percent fine prominent iron-manganese concretions in matrix; fragments; moderately alkaline, pH 8.2, lamotte-morgan; clear smooth boundary. Lab sample # IL34368. patchy - phpvsfiid 427893; patchy - phpvsfiid 427893
    2BCg—66 to 102 centimeters (26.0 to 40.2 inches); gray (10YR 5/1) silt loam; 10 percent dark brown (7.5YR 3/4) medium prominent mottles; weak coarse prismatic structure; friable; distinct dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 10 percent fine prominent iron-manganese concretions in matrix; fragments; strongly alkaline, pH 8.6, lamotte-morgan; clear smooth boundary. Lab sample # IL34369. patchy - phpvsfiid 427888; patchy - phpvsfiid 427888
    2Cg—102 to 152 centimeters (40.2 to 59.8 inches); gray (10YR 5/1) silt loam; 10 percent brown (7.5YR 4/4) medium prominent mottles; structureless massive; friable; distinct grayish brown (10YR 5/2), moist, clay films on all faces of peds; and 10 percent fine distinct iron-manganese concretions in matrix; fragments; moderately alkaline, pH 8.4, lamotte-morgan. Lab sample # IL34370. patchy - phpvsfiid 427889; patchy - phpvsfiid 427889