IDENTIFIERS

  • Current Taxon Name (Soil Name): Swygert
  • OSD
  • Series Extent
  • User Site ID: 1978IL075006
  • User Pedon ID: 1978IL075006
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 78IL075006
  • NCSS Pedon Lab Data NASIS Record ID - 21093
  • Print Date: 11/21/2024
  • 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: 40.9359837
  • Std. Longitude: -87.6172798
  • Datum: WGS84
  • Township: 28N
  • Range: 11W
  • Section: 4
  • PLSS Details: 80 feet N & 175 feet E of SW corner
  • State: Illinois
  • County: IL075—Iroquois
  • MLRA: 98—Southern Michigan and Northern Indiana Drift Plains
  • Non-MLRA Soil Survey Area: IL075—Iroquois County, Illinois
  • 7.5 Minute USGS Quad: 40087-H5—Donovan, Illinois
  • PEDON

  • Describers Name: LMK, DJF
  • Current Taxonomic Class: Fine, mixed, active, mesic Aquic Argiudolls
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 6
  • Correlated Information:
  • Soil Name - Swygert
  • PSC - 28 to 78 cm.
  • Classificaton Date - 1/4/2010
  • Moisture Class - aquic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Elliott
  • Classificaton Date - 9/1/1978
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: silty clay lacustrine deposits over Wisconsinan calcareous clayey till
  • Landscape: till plain
  • Landform: ground moraine
  • Runoff: low
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1978 (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—23

    28—145

    —-

    —-

    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

    200

    Ap—0 to 23 centimeters (0.0 to 9.1 inches); black (10YR 2/1), very dark gray (10YR 3/1), dry; silty clay loam; weak very fine granular structure; friable; fragments; neutral, pH 7.0; abrupt smooth boundary. Lab sample # IL25544
    B1—23 to 28 centimeters (9.1 to 11.0 inches); very dark gray (10YR 3/1), dark grayish brown (10YR 4/2), dry; silty clay; moderate fine subangular blocky structure; very firm; 50 percent faint black (10YR 2/1), moist, organic stains on all faces of peds; fragments; neutral, pH 7.0; clear smooth boundary. Lab sample # IL25545. continuous - phpvsfiid 480196; continuous - phpvsfiid 480196
    B21t—28 to 38 centimeters (11.0 to 15.0 inches); dark grayish brown (10YR 4/2) silty clay; weak medium prismatic parts to moderate fine subangular blocky structure; very firm; 50 percent distinct very dark gray (10YR 3/1), moist, and dark gray (10YR 4/1), moist, organic stains on all faces of peds; fragments; neutral, pH 7.0; clear smooth boundary. Lab sample # IL25546. continuous - phpvsfiid 480198; continuous - phpvsfiid 480198
    B22t—38 to 58 centimeters (15.0 to 22.8 inches); olive brown (2.5Y 4/4) silty clay; 10 percent dark grayish brown (2.5Y 4/2) medium mottles; moderate medium prismatic parts to moderate fine subangular blocky structure; very firm; 25 percent prominent very dark gray (10YR 3/1), moist, and dark gray (10YR 4/1), moist, organic stains on all faces of peds; fragments; neutral, pH 7.0; clear smooth boundary. Lab sample # IL25547. discontinuous - phpvsfiid 480193; discontinuous - phpvsfiid 480193
    B23t—58 to 84 centimeters (22.8 to 33.1 inches); olive brown (2.5Y 4/4) silty clay; 10 percent dark grayish brown (2.5Y 4/2) medium faint and 25 percent dark yellowish brown (10YR 4/4) fine distinct mottles; moderate medium prismatic parts to weak fine subangular blocky structure; very firm; 50 percent distinct dark grayish brown (2.5Y 4/2), moist, clay films on all faces of peds; fragments; slightly alkaline, pH 7.6; clear smooth boundary. Lab sample # IL25548. continuous - phpvsfiid 480194; continuous - phpvsfiid 480194
    IIB3t—84 to 145 centimeters (33.1 to 57.1 inches); olive brown (2.5Y 4/4) silty clay loam; 25 percent dark gray (5Y 4/1) medium distinct mottles; weak medium prismatic structure; very firm; 50 percent prominent gray (5Y 5/1), moist, clay films on all faces of peds; 25 percent prominent white (10YR 8/1), moist, carbonate concretions in matrix; fragments; strong effervescence, by hcl, unspecified; moderately alkaline, pH 8.1; clear smooth boundary. Lab sample # IL25549. continuous - phpvsfiid 480197; continuous - phpvsfiid 480197
    IIC—145 to 183 centimeters (57.1 to 72.0 inches); olive brown (2.5Y 4/4) silty clay loam; 25 percent dark gray (5Y 4/1) medium distinct mottles; structureless massive; very firm; 25 percent prominent gray (5Y 5/1), moist, clay films on all faces of peds; fragments; strong effervescence, by hcl, unspecified; moderately alkaline, pH 8.1. Lab sample # IL25550. discontinuous - phpvsfiid 480195; discontinuous - phpvsfiid 480195