IDENTIFIERS

  • Current Taxon Name (Soil Name): Seaton
  • OSD
  • Series Extent
  • User Site ID: 1981IL013016
  • User Pedon ID: 1981IL013016
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 81IL013016
  • NCSS Pedon Lab Data NASIS Record ID - 21320
  • Print Date: 3/2/2025

    • 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: 39.1202615
  • Std. Longitude: -90.6496690
  • Datum: WGS84
  • Township: 11S
  • Range: 2W
  • Section: 9
  • PLSS Details: 1300 feet east and 2480 feet south of the northwest corner
  • State: Illinois
  • County: IL013—Calhoun
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Non-MLRA Soil Survey Area: IL013—Calhoun County, Illinois

    • PEDON

  • Describers Name: JAR
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Typic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 16
  • Correlated Information:
  • Soil Name - Seaton
  • PSC - 33 to 83 cm.
  • Classificaton Date - 6/8/2009
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Seaton
  • Classificaton Date - 8/1/1981
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: coarse loess
  • Landscape: upland
  • Landform: ridge
  • Geomorphic Component Hills: side slope
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1981 (actual site observation date)
  • Air Photo ID:
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - conifers
  • 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

    argillic horizon

    0—20

    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

    3

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

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    Ap—0 to 10 centimeters (0.0 to 3.9 inches); brown (10YR 4/3) silt loam; weak fine granular structure; friable; 5.0 fine roots between peds; fragments; moderately acid, pH 6.0, lamotte-morgan; clear smooth boundary. Lab sample # IL27819
    A2—10 to 20 centimeters (3.9 to 7.9 inches); brown (10YR 4/3) silt loam; weak thin platy structure; friable; 3.0 fine roots between peds; fragments; moderately acid, pH 5.8, lamotte-morgan; abrupt smooth boundary. Lab sample # IL27820
    B1—20 to 33 centimeters (7.9 to 13.0 inches); dark yellowish brown (10YR 4/4) silt loam; weak fine subangular blocky structure; friable; 3.0 fine roots between peds; fragments; moderately acid, pH 5.6, lamotte-morgan; clear smooth boundary. Lab sample # IL27821
    B21t—33 to 56 centimeters (13.0 to 22.0 inches); dark yellowish brown (10YR 4/4) silty clay loam; moderate medium subangular blocky structure; firm; 3.0 fine roots between peds; faint brown (10YR 4/3), moist, clay films on all faces of peds; fragments; strongly acid, pH 5.4, lamotte-morgan; gradual smooth boundary. Lab sample # IL27822. patchy - phpvsfiid 460420; patchy - phpvsfiid 460420
    B22t—56 to 76 centimeters (22.0 to 29.9 inches); dark yellowish brown (10YR 4/4) silty clay loam; moderate medium subangular blocky structure; firm; 0.6 fine roots between peds; faint brown (10YR 4/3), moist, clay films on all faces of peds; fragments; strongly acid, pH 5.4, lamotte-morgan; gradual smooth boundary. Lab sample # IL27823. discontinuous - phpvsfiid 460421; discontinuous - phpvsfiid 460421
    B23t—76 to 112 centimeters (29.9 to 44.1 inches); dark yellowish brown (10YR 4/4) silty clay loam; moderate medium subangular blocky structure; friable; 0.6 fine roots between peds; faint brown (10YR 4/3), moist, clay films on all faces of peds; fragments; strongly acid, pH 5.4, lamotte-morgan; clear smooth boundary. Lab sample # IL27824. discontinuous - phpvsfiid 460422; discontinuous - phpvsfiid 460422
    B3—112 to 130 centimeters (44.1 to 51.2 inches); dark yellowish brown (10YR 4/4) silt loam; weak thin subangular blocky structure; friable; fragments; strongly acid, pH 5.4, lamotte-morgan; gradual smooth boundary. Lab sample # IL27825
    C—130 to 155 centimeters (51.2 to 61.0 inches); dark yellowish brown (10YR 4/4) silt loam; structureless massive; friable; fragments; strongly acid, pH 5.4, lamotte-morgan. Lab sample # IL27826