IDENTIFIERS

  • Current Taxon Name (Soil Name): Osco
  • OSD
  • Series Extent
  • User Site ID: 1984IL011041
  • User Pedon ID: 1984IL011041
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 84IL011041
  • NCSS Pedon Lab Data NASIS Record ID - 21694
  • Print Date: 11/26/2024

    • 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: 41.2544889
  • Std. Longitude: -89.8215944
  • Datum: WGS84
  • Township: 15N
  • Range: 6E
  • Section: 29
  • PLSS Details: NE1/4 of SE1/4
  • Location Description: Warren Miller Farm, Neponset Township
  • Map Unit: 86C3—Osco silty clay loam, 5 to 10 percent slopes, severely eroded
  • Country: US—United States
  • State: Illinois
  • County: IL011—Bureau
  • MLRA: 108—Illinois and Iowa Deep Loess and Drift
  • Regional Office: NC—North Central
  • MLRA Soil Survey Area: NC-SPI—Springfield, Illinois
  • Non-MLRA Soil Survey Area: IL011—Bureau County, Illinois
  • 7.5 Minute USGS Quad: 41089-C7—Neponset, Illinois

    • PEDON

  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Mollic Hapludalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: PedonPC
  • Pedon #: 41
  • Correlated Information:
  • Soil Name - Osco
  • PSC - 30 to 80 cm.
  • Classificaton Date - 1/4/2010
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Osco
  • Classificaton Date - 6/1/1984
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess
  • Landform: till plain
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/1/1984 (actual site observation 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—20

    30—91

    —20—

    —61—
    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

    9

    —

    —

    235

    —

    240

    890

    —

    170

    11

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 20 centimeters (0.0 to 7.9 inches); very dark grayish brown (10YR 3/2), brown (10YR 5/3), dry; silty clay loam; weak fine granular structure; friable; 3.0 fine roots; 3.0 fine pores; fragments; moderately acid, pH 5.8; clear smooth boundary. Lab sample # IL30616
    BA—20 to 30 centimeters (7.9 to 11.8 inches); 70 percent dark yellowish brown (10YR 4/4) and 30 percent very dark grayish brown (10YR 3/2) silty clay loam; weak fine subangular blocky structure; friable; 3.0 fine roots; 3.0 fine pores; fragments; slightly acid, pH 6.3; clear smooth boundary. Lab sample # IL30617
    Bt1—30 to 50 centimeters (11.8 to 19.7 inches); dark yellowish brown (10YR 4/4) silty clay loam; moderate fine subangular blocky structure; friable; 3.0 fine roots; 3.0 fine tubular pores; brown (10YR 4/3) clay films on all faces of peds; fragments; slightly acid, pH 6.5; clear smooth boundary. Lab sample # IL30618
    Bt2—50 to 75 centimeters (19.7 to 29.5 inches); dark yellowish brown (10YR 4/4) silty clay loam; moderate medium subangular blocky structure; friable; 3.0 fine roots; 3.0 fine tubular pores; brown (10YR 4/3) clay films on all faces of peds; fragments; slightly acid, pH 6.3; gradual wavy boundary. Lab sample # IL30619
    Bt3—75 to 91 centimeters (29.5 to 35.8 inches); yellowish brown (10YR 5/4) silt loam; moderate medium subangular blocky structure; friable; 3.0 fine roots; 3.0 fine tubular pores; 10 percent medium distinct dark yellowish brown (10YR 4/6) masses of oxidized iron and 10 percent medium distinct grayish brown (10YR 5/2) iron depletions; fragments; slightly acid, pH 6.5; gradual wavy boundary. Lab sample # IL30620
    BC—91 to 120 centimeters (35.8 to 47.2 inches); yellowish brown (10YR 5/4) silt loam; moderate coarse subangular blocky structure; friable; 0.6 fine roots; 3.0 fine tubular pores; 10 percent fine distinct yellowish brown (10YR 5/6) masses of oxidized iron and 10 percent fine distinct grayish brown (10YR 5/2) iron depletions; fragments; neutral, pH 6.7; gradual wavy boundary. Lab sample # IL30621
    C1—120 to 205 centimeters (47.2 to 80.7 inches); yellowish brown (10YR 5/4) silt loam; massive; friable; 0.6 fine roots; 3.0 fine pores; 1 percent fine faint brown (10YR 5/3) iron depletions; fragments; neutral, pH 6.8; gradual wavy boundary. Lab sample # IL30622
    C2—205 to 240 centimeters (80.7 to 94.5 inches); yellowish brown (10YR 5/4) silt loam; massive; friable; 3.0 fine pores; 1 percent fine faint grayish brown (10YR 5/2) iron depletions; fragments; slight effervescence; neutral, pH 6.8.