IDENTIFIERS

  • Current Taxon Name (Soil Name): Coulterville
  • OSD
  • Series Extent
  • User Site ID: 1989IL189004
  • User Pedon ID: 1989IL189004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 89IL189004
  • NCSS Pedon Lab Data NASIS Record ID - 22194
  • 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: 38.2544667
  • Std. Longitude: -89.6652111
  • Datum: WGS84
  • Township: 3S
  • Range: 5W
  • Section: 21
  • PLSS Details: 210 feet east and 2120 feet north of the southwest corner
  • State: Illinois
  • County: IL189—Washington
  • MLRA: 114—Southern Illinois and Indiana Thin Loess and Till Plain
  • Non-MLRA Soil Survey Area: IL189—Washington County, Illinois
  • PEDON

  • Describers Name: K.D.M. & M.R.G.
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Aeric Epiaqualfs
  • Pedon Type: map unit inclusion
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 4
  • Correlated Information:
  • Soil Name - Coulterville
  • PSC - 33 to 83 cm.
  • Classificaton Date - 10/2/2008
  • Moisture Class - aquic
  • Moisture Subclass - aeric
  • Sampled As Information:
  • Soil Name - Darmstadt
  • Classificaton Date - 1/1/1989
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

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

    SITE OBSERVATION

  • Observation Date: 1/1/1989 (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 Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    albic horizon

    argillic horizon

    0—20

    20—33

    33—112

    —-

    —-

    —-

    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

    1

    138.1

    Ap—0 to 20 centimeters (0.0 to 7.9 inches); dark grayish brown (10YR 4/2), light brownish gray (10YR 6/2), dry; silt loam; moderate medium granular structure; friable; 1 percent fine distinct iron-manganese concretions in matrix; fragments; neutral, pH 7.0, lamotte-morgan; abrupt smooth boundary. Lab sample # IL34566
    E—20 to 33 centimeters (7.9 to 13.0 inches); grayish brown (10YR 5/2) silt loam; 1 percent dark grayish brown (10YR 4/2) fine faint mottles; moderate medium platy structure; friable; 1 percent fine distinct iron-manganese concretions in matrix; fragments; neutral, pH 7.0, lamotte-morgan; clear smooth boundary. Lab sample # IL34567
    Bt1—33 to 61 centimeters (13.0 to 24.0 inches); dark yellowish brown (10YR 4/6) silty clay loam; 1 percent brown (10YR 5/3) fine prominent mottles; moderate medium prismatic parts to moderate medium subangular blocky structure; firm; distinct brown (10YR 4/3), moist, clay films on all faces of peds; 1 percent fine prominent iron-manganese concretions in matrix; fragments; neutral, pH 7.0, lamotte-morgan; clear smooth boundary. Lab sample # IL34568. continuous - phpvsfiid 427894; continuous - phpvsfiid 427894
    Bt2—61 to 84 centimeters (24.0 to 33.1 inches); brown (10YR 5/3) silty clay loam; 10 percent yellowish brown (10YR 5/6) fine prominent mottles; moderate medium prismatic parts to moderate medium subangular blocky structure; firm; distinct brown (10YR 4/3), moist, clay films on all faces of peds and distinct dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 1 percent fine prominent iron-manganese concretions in matrix; fragments; slightly alkaline, pH 7.6, lamotte-morgan; clear smooth boundary. Lab sample # IL34569. patchy - phpvsfiid 427895; continuous - phpvsfiid 427896; patchy - phpvsfiid 427895; continuous - phpvsfiid 427896
    Bt3—84 to 112 centimeters (33.1 to 44.1 inches); brown (10YR 5/3) silty clay loam; yellowish brown (10YR 5/8) fine prominent and 10 percent yellowish brown (10YR 5/6) fine prominent mottles; moderate medium prismatic parts to moderate medium subangular blocky structure; friable; 1 percent fine prominent iron-manganese concretions in matrix; fragments; slightly alkaline, pH 7.6, lamotte-morgan; clear smooth boundary. Lab sample # IL34570
    Cg—112 to 152 centimeters (44.1 to 59.8 inches); light brownish gray (10YR 6/2) silt loam; yellowish brown (10YR 5/8) fine prominent and 10 percent 10Y 5/6 (10Y 5/6) fine prominent mottles; structureless massive; friable; 1 percent fine prominent iron-manganese concretions in matrix; fragments; slightly alkaline, pH 7.6, lamotte-morgan. Lab sample # IL34571, IL34572. Horizon split for sampling: IL34572 132 to 152 cm, IL34571 112 to 132 cm.