IDENTIFIERS

  • Current Taxon Name (Soil Name): Elco
  • OSD
  • Series Extent
  • User Site ID: 1978IL095041
  • User Pedon ID: 1978IL095041
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 78IL095041
  • NCSS Pedon Lab Data NASIS Record ID - 21022
  • Print Date: 11/24/2024

    • 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: 41.0541369
  • Std. Longitude: -90.0813451
  • Datum: WGS84
  • Township: 12N
  • Range: 4E
  • Section: 6
  • PLSS Details: 165 feet W & 2270 feet N of the SE corner
  • State: Illinois
  • County: IL095—Knox
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Non-MLRA Soil Survey Area: IL095—Knox County, Illinois
  • 7.5 Minute USGS Quad: 41090-A1—Victoria, Illinois

    • PEDON

  • Describers Name: RDW
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Oxyaquic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 41
  • Correlated Information:
  • Soil Name - Elco
  • PSC - 5 to 55 cm.
  • Classificaton Date - 1/4/2010
  • Moisture Class - udic
  • Moisture Subclass - oxyaquic
  • Sampled As Information:
  • Soil Name - Elco
  • Classificaton Date - 10/1/1978
  • Dynamic Soil Properties:
  • Erosion Class - 3
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: Peoria loess over Illinoian till with strongly developed Sangamon age paleosol
  • Landscape: till plain
  • Geomorphic Component Hills: side slope
  • Runoff: high
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1978 (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

    ochric epipedon

    argillic horizon

    0—5

    5—152

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    —-
    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

    12.5

    —

    —

    233

    —

    —

    —

    —

    —

    —

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    Ap—0 to 5 centimeters (0.0 to 2.0 inches); dark yellowish brown (10YR 4/4), light yellowish brown (10YR 6/4), dry; silty clay loam; weak fine granular structure; firm; 3.0 fine roots between peds; 1 percent fine prominent masses of oxidized iron in matrix; fragments; neutral, pH 7.0; abrupt smooth boundary. Lab sample # IL25715
    B22t—5 to 30 centimeters (2.0 to 11.8 inches); dark yellowish brown (10YR 4/4) silty clay loam; moderate fine angular blocky structure; friable; 3.0 fine roots between peds; distinct dark brown (10YR 3/3), moist, clay films on all faces of peds; 1 percent fine prominent masses of oxidized iron in matrix; fragments; moderately acid, pH 5.8; clear smooth boundary. Lab sample # IL25716. patchy - phpvsfiid 480753; patchy - phpvsfiid 480753
    B23t—30 to 51 centimeters (11.8 to 20.1 inches); yellowish brown (10YR 5/4) silty clay loam; 1 percent yellowish brown (10YR 5/8) fine faint and 1 percent gray (10YR 6/1) fine faint mottles; weak medium angular blocky structure; friable; 0.6 fine roots between peds; faint dark yellowish brown (10YR 4/4), moist, clay films on all faces of peds; 1 percent fine prominent iron-manganese concretions in matrix; fragments; slightly acid, pH 6.3; clear smooth boundary. Lab sample # IL25717. patchy - phpvsfiid 480751; patchy - phpvsfiid 480751
    IIB24t—51 to 89 centimeters (20.1 to 35.0 inches); very dark grayish brown (10YR 3/2) clay loam; 10 percent brown (10YR 4/3) fine faint mottles; moderate coarse prismatic structure; very firm; faint dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 1 percent fine prominent iron-manganese concretions in matrix; 1 percent by volume rounded strongly coherent cemented dolomite (dolostone) fragments; slightly acid, pH 6.3; clear smooth boundary. Lab sample # IL25718. discontinuous - phpvsfiid 480750; discontinuous - phpvsfiid 480750
    IIB25tg—89 to 122 centimeters (35.0 to 48.0 inches); dark grayish brown (2.5Y 4/2) silty clay; 10 percent light olive brown (2.5Y 5/4) fine faint mottles; moderate coarse prismatic structure; very firm; faint olive brown (2.5Y 4/4), moist, clay films on all faces of peds; 25 percent fine prominent iron-manganese concretions in matrix; 1 percent by volume rounded strongly coherent cemented dolomite (dolostone) fragments; slightly acid, pH 6.3; clear smooth boundary. Lab sample # IL25719. discontinuous - phpvsfiid 480752; discontinuous - phpvsfiid 480752
    IIB26tg—122 to 152 centimeters (48.0 to 59.8 inches); gray (2.5Y 5/1) silty clay; 10 percent yellowish brown (10YR 5/6) fine distinct mottles; weak coarse prismatic structure; very firm; distinct dark grayish brown (2.5Y 4/2), moist, clay films on all faces of peds; 25 percent fine prominent iron-manganese concretions in matrix; 1 percent by volume rounded strongly coherent cemented dolomite (dolostone) fragments; neutral, pH 7.0. Lab sample # IL25720. patchy - phpvsfiid 480749; patchy - phpvsfiid 480749