IDENTIFIERS

  • Current Taxon Name (Soil Name): Onarga
  • OSD
  • Series Extent
  • User Site ID: 1980IL171030
  • User Pedon ID: 1980IL171030
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 80IL171030
  • NCSS Pedon Lab Data NASIS Record ID - 21276
  • Print Date: 2/16/2025

    • 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: 39.7609395
  • Std. Longitude: -90.5884209
  • Datum: WGS84
  • Township: 15N
  • Range: 13W
  • Section: 7
  • PLSS Details: 220 feet south and 320 feet west of the center
  • State: Illinois
  • County: IL171—Scott
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Non-MLRA Soil Survey Area: IL171—Scott County, Illinois

    • PEDON

  • Describers Name: KG
  • Current Taxonomic Class: Coarse-loamy, mixed, superactive, mesic Typic Argiudolls
  • Current Taxon Kind: taxadjunct
  • Pedon Type: map unit inclusion
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 30
  • Correlated Information:
  • Soil Name - Onarga
  • PSC - 53 to 103 cm.
  • Classificaton Date - 6/8/2009
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Plano
  • Classificaton Date - 7/1/1980
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess over loamy outwash
  • Landform: terrace
  • Runoff: negligible
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/1/1980 (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—53

    53—155

    —-

    —-
    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

    0

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

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    —

    —

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    Ap—0 to 18 centimeters (0.0 to 7.1 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; silt loam; weak fine granular structure; friable; 3.0 medium roots between peds; fragments; neutral, pH 7.0; abrupt smooth boundary. Lab sample # IL27720
    A12—18 to 36 centimeters (7.1 to 14.2 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; silt loam; weak medium granular structure; friable; 0.6 fine roots between peds; fragments; neutral, pH 7.0; clear smooth boundary. Lab sample # IL27721
    A13—36 to 53 centimeters (14.2 to 20.9 inches); dark brown (10YR 3/3), brown (10YR 5/3), dry; silt loam; weak fine subangular blocky structure; friable; 0.6 fine roots between peds; faint very dark grayish brown (10YR 3/2), moist, organic stains on all faces of peds; fragments; neutral, pH 7.0; clear smooth boundary. Lab sample # IL27722. continuous - phpvsfiid 459909; continuous - phpvsfiid 459909
    B1t—53 to 69 centimeters (20.9 to 27.2 inches); brown (10YR 4/3) silt loam; weak fine subangular blocky structure; friable; 0.6 fine roots between peds; faint dark brown (10YR 3/3), moist, organic stains on all faces of peds; fragments; slightly acid, pH 6.3; clear smooth boundary. Lab sample # IL27723. continuous - phpvsfiid 459910; continuous - phpvsfiid 459910
    B21t—69 to 94 centimeters (27.2 to 37.0 inches); brown (10YR 4/3) silty clay loam; 1 percent dark yellowish brown (10YR 4/6) medium distinct mottles; moderate medium subangular blocky structure; firm; distinct very dark grayish brown (10YR 3/2), moist, organic stains on all faces of peds; fragments; slightly acid, pH 6.3; clear smooth boundary. Lab sample # IL27724, IL27725. discontinuous - phpvsfiid 459911; discontinuous - phpvsfiid 459911
    B22t—94 to 132 centimeters (37.0 to 52.0 inches); brown (10YR 4/3) silty clay loam; 1 percent yellowish brown (10YR 5/4) medium distinct and 1 percent brown (10YR 5/3) fine distinct mottles; moderate medium prismatic parts to moderate medium subangular blocky structure; firm; faint very dark grayish brown (10YR 3/2), moist, and dark brown (10YR 3/3), moist, organic stains on all faces of peds; fragments; slightly acid, pH 6.3; clear smooth boundary. Lab sample # IL27726, IL27727. discontinuous - phpvsfiid 459912; discontinuous - phpvsfiid 459912
    IIB3t—132 to 155 centimeters (52.0 to 61.0 inches); brown (10YR 4/3) and dark brown (10YR 3/3) stratified stratified clay loam; 1 percent dark yellowish brown (10YR 4/6) medium distinct mottles; weak medium subangular blocky structure; firm; faint dark brown (10YR 3/3), moist, and very dark grayish brown (10YR 3/2), moist, organic stains on all faces of peds; fragments; slightly acid, pH 6.3; abrupt smooth boundary. Lab sample # IL27728, IL27729. discontinuous - phpvsfiid 459913; discontinuous - phpvsfiid 459913
    C—155 to 173 centimeters (61.0 to 68.1 inches); dark yellowish brown (10YR 4/4) loamy sand; structureless massive; friable; fragments; slightly acid, pH 6.3.