IDENTIFIERS

  • Current Taxon Name (Soil Name): Symerton
  • OSD
  • Series Extent
  • User Site ID: 1986IL113010
  • User Pedon ID: 1986IL113010
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 86IL113010
  • NCSS Pedon Lab Data NASIS Record ID - 21956
  • Print Date: 4/19/2025

    • 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: 40.7324611
  • Std. Longitude: -88.6147389
  • Datum: WGS84
  • Township: 26N
  • Range: 5E
  • Section: 11
  • PLSS Details: 1700 feet north and 2200 feet east of the southwest corner
  • State: Illinois
  • County: IL113—McLean
  • MLRA: 110—Northern Illinois and Indiana Heavy Till Plain
  • Non-MLRA Soil Survey Area: IL113—McLean County, Illinois

    • PEDON

  • Describers Name: CLL
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, mesic Oxyaquic Argiudolls
  • Pedon Type: map unit inclusion
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 10
  • Correlated Information:
  • Soil Name - Symerton
  • PSC - 30 to 80 cm.
  • Classificaton Date - 10/2/2008
  • Moisture Class - udic
  • Moisture Subclass - oxyaquic
  • Sampled As Information:
  • Soil Name - Varna
  • Classificaton Date - 5/1/1986
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: Peoria loess and/or Wisconsinan till
  • Landscape: upland
  • Landform: till plain
  • Slope Shape Across: convex
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/1/1986 (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

    mollic epipedon

    argillic horizon

    0—30

    30—76

    —-

    —-
    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

    —

    —

    —

    —

    225

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 18 centimeters (0.0 to 7.1 inches); very dark gray (10YR 3/1), gray (10YR 5/1), dry; silty clay loam; moderate fine granular structure; very friable; 0.6 very fine roots between peds; 1 percent by volume rounded strongly coherent cemented mixed fragments; neutral, pH 7.0, lamotte-morgan; clear smooth boundary. Lab sample # IL32754
    A—18 to 30 centimeters (7.1 to 11.8 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; silty clay loam; moderate fine subangular blocky structure; very friable; 0.6 very fine roots between peds; 1 percent by volume rounded strongly coherent cemented mixed fragments; neutral, pH 7.0, lamotte-morgan; clear smooth boundary. Lab sample # IL32755
    2Bt1—30 to 46 centimeters (11.8 to 18.1 inches); dark yellowish brown (10YR 4/4) clay loam; moderate fine subangular blocky structure; friable; 0.6 very fine roots between peds; distinct brown (10YR 4/3), moist, clay films on all faces of peds; 1 percent by volume rounded strongly coherent cemented mixed fragments; neutral, pH 7.0, lamotte-morgan; clear smooth boundary. Lab sample # IL32756. discontinuous - phpvsfiid 428605; discontinuous - phpvsfiid 428605
    2Bt2—46 to 61 centimeters (18.1 to 24.0 inches); dark yellowish brown (10YR 4/6) sandy clay loam; 1 percent light olive brown (2.5Y 5/4) fine prominent mottles; weak fine subangular blocky structure; friable; 0.6 very fine roots between peds; distinct brown (10YR 4/3), moist, clay films on all faces of peds; 1 percent by volume rounded strongly coherent cemented mixed fragments; neutral, pH 7.0, lamotte-morgan; clear smooth boundary. Lab sample # IL32757. discontinuous - phpvsfiid 428606; discontinuous - phpvsfiid 428606
    2Bt3—61 to 76 centimeters (24.0 to 29.9 inches); light olive brown (2.5Y 5/6) clay loam; 1 percent yellowish brown (10YR 5/4) fine prominent and 10 percent grayish brown (2.5Y 5/2) fine distinct mottles; weak medium subangular blocky structure; friable; 0.6 very fine roots between peds; distinct olive brown (2.5Y 4/4), moist, clay films on all faces of peds; 1 percent fine prominent masses of oxidized iron in matrix; 1 percent by volume rounded strongly coherent cemented mixed fragments; slightly alkaline, pH 7.6, lamotte-morgan; clear smooth boundary. Lab sample # IL32758. patchy - phpvsfiid 428607; patchy - phpvsfiid 428607
    3C—76 to 152 centimeters (29.9 to 59.8 inches); light yellowish brown (2.5Y 6/4) silt loam; 10 percent grayish brown (2.5Y 5/2) medium distinct mottles; structureless massive; firm; 25 percent fine prominent masses of oxidized iron in matrix; 1 percent by volume rounded strongly coherent cemented mixed fragments; strong effervescence, by hcl, unspecified; moderately alkaline, pH 8.1, lamotte-morgan. Lab sample # IL32759