IDENTIFIERS

  • Current Taxon Name (Soil Name): Ursa
  • OSD
  • Series Extent
  • User Site ID: 1978IL157053
  • User Pedon ID: 1978IL157053
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 78IL157053
  • NCSS Pedon Lab Data NASIS Record ID - 21074
  • Print Date: 11/21/2024
  • 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: 38.1052298
  • Std. Longitude: -89.6472661
  • Datum: WGS84
  • Township: 5S
  • Range: 5W
  • Section: 10
  • PLSS Details: 700 feet N & 370 feet E of SW corner
  • State: Illinois
  • County: IL157—Randolph
  • MLRA: 114—Southern Illinois and Indiana Thin Loess and Till Plain
  • Non-MLRA Soil Survey Area: IL157—Randolph County, Illinois
  • 7.5 Minute USGS Quad: 38089-A6—Steeleville, Illinois
  • PEDON

  • Describers Name: ML, LV
  • Current Taxonomic Class: Fine, smectitic, mesic Chromic Vertic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 53
  • Correlated Information:
  • Soil Name - Ursa
  • PSC - 8 to 58 cm.
  • Classificaton Date - 1/4/2010
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Ursa
  • Classificaton Date - 12/1/1978
  • 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: upland, till plain
  • Landform: drainageway
  • Runoff: high
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/1/1978 (actual site observation date)
  • Air Photo ID:
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - other grass/herbaceous cover
  • 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—8

    8—124

    —-

    —-

    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

    14

    136

    100

    Ap—0 to 8 centimeters (0.0 to 3.1 inches); dark yellowish brown (10YR 4/4) silt loam; firm; 3.0 roots between peds; fragments; slightly acid, pH 6.4, lamotte-morgan; clear smooth boundary. Lab sample # IL26192; observed in push tube
    B21t—8 to 20 centimeters (3.1 to 7.9 inches); strong brown (7.5YR 5/6) silt loam; firm; 0.6 roots between peds; prominent brown (10YR 4/3), moist, clay films on all faces of peds; fragments; moderately acid, pH 5.6, lamotte-morgan; abrupt smooth boundary. Lab sample # IL26193; observed in push tube. patchy - phpvsfiid 480297; patchy - phpvsfiid 480297
    IIB22t—20 to 33 centimeters (7.9 to 13.0 inches); strong brown (7.5YR 5/6) silty clay; firm; 0.6 roots between peds; prominent light gray (10YR 7/2), dry, silt coats on all faces of peds; fragments; very strongly acid, pH 4.9, lamotte-morgan; abrupt smooth boundary. Lab sample # IL26194; observed in push tube
    IIB23t—33 to 53 centimeters (13.0 to 20.9 inches); strong brown (7.5YR 5/8) silty clay; 10 percent light gray (10YR 7/1) medium prominent mottles; very firm; 0.6 roots between peds; 1 percent prominent iron-manganese concretions in matrix; fragments; very strongly acid, pH 5.0, lamotte-morgan; clear smooth boundary. Lab sample # IL26195; observed in push tube
    IIB24t—53 to 74 centimeters (20.9 to 29.1 inches); strong brown (7.5YR 5/8) silty clay; 10 percent very pale brown (10YR 8/2) medium prominent mottles; very firm; 0.6 roots between peds; prominent pale brown (10YR 6/3), moist, clay films on all faces of peds; 1 percent prominent iron-manganese concretions in matrix; fragments; slightly acid, pH 6.2, lamotte-morgan; clear smooth boundary. Lab sample # IL26196; observed in push tube. patchy - phpvsfiid 480292; patchy - phpvsfiid 480292
    IIB25t—74 to 97 centimeters (29.1 to 38.2 inches); light brownish gray (10YR 6/2) silty clay loam; 10 percent brownish yellow (10YR 6/8) medium distinct mottles; very firm; 0.6 roots between peds; distinct very pale brown (10YR 8/2), dry, clay films on all faces of peds; 1 percent prominent iron-manganese concretions in matrix; fragments; neutral, pH 7.2, lamotte-morgan; abrupt smooth boundary. Lab sample # IL26197; observed in push tube
    IIB26t—97 to 124 centimeters (38.2 to 48.8 inches); brownish yellow (10YR 6/8) silty clay loam; firm; 0.6 roots between peds; prominent white (10YR 8/1), dry, silt coats on all faces of peds and prominent dark yellowish brown (10YR 4/4), moist, clay films on all faces of peds; 1 percent prominent iron-manganese concretions in matrix; fragments; neutral, pH 7.2, lamotte-morgan; clear smooth boundary. Lab sample # IL26198; observed in push tube. patchy - phpvsfiid 480296; patchy - phpvsfiid 480296
    IIB3—124 to 140 centimeters (48.8 to 55.1 inches); light gray (10YR 7/1) clay loam; 10 percent strong brown (7.5YR 4/6) fine prominent mottles; very firm; 0.6 roots between peds; faint gray (10YR 6/1), moist, clay films on all faces of peds; 1 percent prominent iron-manganese concretions in matrix; fragments; neutral, pH 7.1, lamotte-morgan; clear smooth boundary. Lab sample # IL26199; observed in push tube. patchy - phpvsfiid 480294; patchy - phpvsfiid 480294
    IIC1—140 to 168 centimeters (55.1 to 66.1 inches); light gray (10YR 7/1) clay loam; 10 percent reddish yellow (7.5YR 6/8) medium prominent mottles; extremely firm; 0.6 roots between peds; 1 percent prominent iron-manganese concretions in matrix; fragments; neutral, pH 7.2, lamotte-morgan. Lab sample # IL26200; observed in push tube