IDENTIFIERS

  • Current Taxon Name (Soil Name): Osco
  • OSD
  • Series Extent
  • User Site ID: 1984IL011038
  • User Pedon ID: 1984IL011038
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 84IL011038
  • NCSS Pedon Lab Data NASIS Record ID - 21692
  • Print Date: 2/17/2025

    • 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: 41.3878444
  • Std. Longitude: -89.5527806
  • Datum: WGS84
  • Township: 16N
  • Range: 8E
  • Section: 10
  • PLSS Details: 2875 feet N & 960 feet W of the SE corner
  • Location Description: Wyanet Township
  • Map Unit: 86B—Osco silt loam, 2 to 5 percent slopes
  • 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-AUR—Aurora, Illinois
  • Non-MLRA Soil Survey Area: IL011—Bureau County, Illinois
  • 7.5 Minute USGS Quad: 41089-D5—Buda NE, Illinois

    • PEDON

  • Describers Name: MJW, KGK
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Typic Argiudolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 38
  • Correlated Information:
  • Soil Name - Osco
  • PSC - 25 to 100 cm.
  • Classificaton Date - 1/4/2010
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Osco
  • Taxon Kind - series
  • Classificaton Date - 2/1/1984
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess
  • Landscape: till plain
  • Landform: knoll
  • Hill Slope Profile: summit
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/1/1984 (entry creation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - hayland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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

    2.5

    —

    —

    201

    —

    825

    —

    170

    11

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 20 centimeters (0.0 to 7.9 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; silt loam; moderate fine granular structure; friable; 0.6 medium roots and 6.0 fine roots; fragments; moderately acid, pH 5.8; clear smooth boundary. Lab sample # IL30602
    A—20 to 38 centimeters (7.9 to 15.0 inches); variegated very dark grayish brown (10YR 3/2) and dark brown (10YR 3/3), brown (10YR 5/3), dry; silt loam; moderate fine subangular blocky, and moderate medium granular structure; friable; 3.0 fine roots; 25 percent distinct very dark brown (10YR 2/2) organic stains on all faces of peds; fragments; moderately acid, pH 5.8; clear smooth boundary. Lab sample # IL30603
    Bw1—38 to 53 centimeters (15.0 to 20.9 inches); brown (10YR 4/3) silt loam; moderate medium subangular blocky structure; friable; 3.0 roots; 25 percent distinct dark brown (10YR 3/3) clay films on all faces of peds; fragments; moderately acid, pH 5.7; clear smooth boundary. Lab sample # IL30604
    Bt1—53 to 71 centimeters (20.9 to 28.0 inches); dark yellowish brown (10YR 4/4) silt loam; moderate medium subangular blocky structure; friable; 3.0 fine roots; 10 percent distinct pale brown (10YR 6/3) silica coats on all faces of peds and 25 percent distinct brown (10YR 4/3) clay films on all faces of peds; 1 percent fine iron-manganese concretions; fragments; moderately acid, pH 5.9; clear smooth boundary. Lab sample # IL30605
    Bt2—71 to 99 centimeters (28.0 to 39.0 inches); dark yellowish brown (10YR 4/4) silty clay loam; weak medium prismatic parts to moderate medium subangular blocky structure; friable; 3.0 fine roots; 10 percent distinct pale brown (10YR 6/3) silica coats on all faces of peds and 25 percent distinct brown (10YR 4/3) clay films on all faces of peds; 1 percent fine iron-manganese concretions; fragments; moderately acid, pH 6.0; clear smooth boundary. Lab sample # IL30606
    Bt3—99 to 132 centimeters (39.0 to 52.0 inches); dark yellowish brown (10YR 4/4) silt loam; weak medium prismatic parts to moderate medium subangular blocky structure; friable; 3.0 fine roots; 10 percent distinct pale brown (10YR 6/3) silica coats on all faces of peds and 25 percent distinct brown (10YR 4/3) clay films on all faces of peds; 1 percent fine iron-manganese concretions and 1 percent fine distinct light gray (10YR 7/2) iron depletions and 1 percent fine distinct strong brown (7.5YR 5/6) masses of oxidized iron; fragments; moderately acid, pH 6.0; clear smooth boundary. Lab sample # IL30607
    Bt4—132 to 152 centimeters (52.0 to 59.8 inches); dark yellowish brown (10YR 4/4) silt loam; weak medium subangular blocky structure; friable; 0.6 fine roots; 10 percent faint brown (10YR 4/3) clay films on all faces of peds and 10 percent faint light gray (10YR 7/2) silica coats on all faces of peds; 1 percent fine iron-manganese concretions and 1 percent fine distinct strong brown (7.5YR 5/6) masses of oxidized iron and 1 percent fine distinct light brownish gray (10YR 6/2) iron depletions; fragments; moderately acid, pH 5.9. Lab sample # IL30608