IDENTIFIERS

  • Current Taxon Name (Soil Name): Osco
  • OSD
  • Series Extent
  • User Site ID: 1988IL113009
  • User Pedon ID: 1988IL113009
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 88IL113009
  • NCSS Pedon Lab Data NASIS Record ID - 22127
  • Print Date: 5/31/2024

    • 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: 40.4241411
  • Std. Longitude: -88.7507625
  • Datum: WGS84
  • Township: 23N
  • Range: 4E
  • Section: 28
  • PLSS Details: W1/2, NE1/4
  • Location Description: Dawson Township
  • State: Illinois
  • County: IL113—McLean
  • MLRA: 108—Illinois and Iowa Deep Loess and Drift
  • Non-MLRA Soil Survey Area: IL113—McLean County, Illinois

    • PEDON

  • Describers Name: PW
  • Current Taxonomic Class: Fine, mixed, superactive, mesic Typic Argiudolls
  • Current Taxon Kind: taxadjunct
  • Pedon Type: map unit inclusion
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 9
  • Correlated Information:
  • Soil Name - Osco
  • PSC - 41 to 91 cm.
  • Classificaton Date - 10/2/2008
  • Moisture Class - udic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Ipava
  • Classificaton Date - 8/1/1987
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess
  • Landscape: upland
  • Landform: flat
  • Geomorphic Component Hills: side slope
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1987 (entry creation date)
  • 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
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    argillic horizon

    0—41

    41—117

    —-

    —-
    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

    —

    —

    —

    —

    890

    —

    170

    11

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 23 centimeters (0.0 to 9.1 inches); black (10YR 2/1), dark gray (10YR 4/1), dry; silty clay loam; weak medium subangular blocky structure; friable; ; fragments; strongly acid, pH 5.3; abrupt smooth boundary. Lab sample # IL34046
    A—23 to 41 centimeters (9.1 to 16.1 inches); black (10YR 2/1), dark gray (10YR 4/1), dry; silty clay loam; moderate fine subangular blocky structure; friable; fragments; strongly acid, pH 5.5; clear smooth boundary. Lab sample # IL34047
    Bt1—41 to 58 centimeters (16.1 to 22.8 inches); dark yellowish brown (10YR 4/4) silty clay loam; strong fine subangular blocky structure; friable; prominent very dark grayish brown (10YR 3/2) organoargillans on all faces of peds; 1 percent medium prominent iron-manganese concretions in matrix and 10 percent medium prominent yellowish brown (10YR 5/6) masses of oxidized iron; fragments; moderately acid, pH 6.0; clear smooth boundary. Lab sample # IL34048
    Bt2—58 to 91 centimeters (22.8 to 35.8 inches); light olive brown (2.5Y 5/4) silty clay loam; moderate medium prismatic parts to moderate medium subangular blocky structure; friable; distinct very dark gray (10YR 3/1) clay films on all faces of peds; 1 percent fine prominent iron-manganese concretions in matrix and 10 percent medium prominent yellowish brown (10YR 5/6) masses of oxidized iron; fragments; slightly acid, pH 6.4; gradual smooth boundary. Lab sample # IL34049
    Bt3—91 to 117 centimeters (35.8 to 46.1 inches); light olive brown (2.5Y 5/4) silty clay loam; weak medium prismatic parts to moderate medium subangular blocky structure; friable; distinct dark grayish brown (10YR 4/2) clay films on all faces of peds; 1 percent fine prominent iron-manganese concretions in matrix and 25 percent medium prominent yellowish brown (10YR 5/6) masses of oxidized iron; fragments; neutral, pH 7.1; clear smooth boundary. Lab sample # IL34050
    Bt4—117 to 145 centimeters (46.1 to 57.1 inches); yellowish brown (10YR 5/4) silt loam; weak coarse subangular blocky structure; friable; faint dark grayish brown (10YR 4/2) clay films on all faces of peds; 1 percent fine prominent iron-manganese concretions in matrix and 1 percent medium distinct light brownish gray (2.5Y 6/2) iron depletions and 25 percent medium faint yellowish brown (10YR 5/8) masses of oxidized iron; fragments; neutral, pH 7.2; clear smooth boundary. Lab sample # IL34051
    C—145 to 152 centimeters (57.1 to 59.8 inches); yellowish brown (10YR 5/4) silt loam; structureless massive; friable; 1 percent fine prominent iron-manganese concretions in matrix and 10 percent medium distinct grayish brown (2.5Y 5/2) iron depletions and 25 percent medium faint light brownish gray (2.5Y 6/2) masses of oxidized iron and 25 percent medium prominent yellowish brown (10YR 5/8) masses of oxidized iron; fragments; slight effervescence, by hcl, unspecified; slightly alkaline, pH 7.5. Lab sample # IL34052