IDENTIFIERS

  • Current Taxon Name (Soil Name): Ursa
  • OSD
  • Series Extent
  • User Site ID: 1980IL157097
  • User Pedon ID: 1980IL157097
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 80IL157097
  • NCSS Pedon Lab Data NASIS Record ID - 21204
  • Print Date: 9/24/2024
  • 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: 37.9733206
  • Std. Longitude: -89.7947706
  • Datum: WGS84
  • Township: 6S
  • Range: 6W
  • Section: 29
  • PLSS Details: 1000 feet E & 600 feet N of SW corner
  • State: Illinois
  • County: IL157—Randolph
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Non-MLRA Soil Survey Area: IL157—Randolph County, Illinois
  • 7.5 Minute USGS Quad: 37089-H7—Chester, Illinois
  • PEDON

  • Describers Name: GH, DF
  • 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 #: 97
  • Correlated Information:
  • Soil Name - Ursa
  • PSC - 38 to 88 cm.
  • Classificaton Date - 1/4/2010
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Keswick
  • Classificaton Date - 6/1/1980
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: Peoria loess over Illinoian till with strongly developed Sangamon age paleosol
  • Landscape: till plain
  • Landform: drainageway, hillslope
  • Runoff: high
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/1/1980 (actual site observation date)
  • Air Photo ID:
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - hardwoods
  • 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—28

    38—130

    —-

    —-

    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

    22

    140

    A1—0 to 18 centimeters (0.0 to 7.1 inches); brown (10YR 5/3), light yellowish brown (10YR 6/4), dry; silt loam; weak medium granular, and moderate coarse platy, and structureless massive; friable; 3.0 roots between peds; fragments; strongly acid, pH 5.1, lamotte-morgan; abrupt smooth boundary. Lab sample # IL27587; observed in push tube
    A2—18 to 28 centimeters (7.1 to 11.0 inches); yellowish brown (10YR 5/4) silt loam; moderate fine subangular blocky structure; friable; 3.0 roots between peds; fragments; very strongly acid, pH 5.0, lamotte-morgan; clear smooth boundary. Lab sample # IL27588; observed in push tube
    B1—28 to 38 centimeters (11.0 to 15.0 inches); yellowish brown (10YR 5/6) silt loam; strong fine subangular blocky structure; friable; 3.0 roots between peds; prominent very pale brown (10YR 7/3), moist, and yellowish brown (10YR 5/4), moist, silt coats on all faces of peds and 10 percent faint strong brown (7.5YR 4/6), moist, clay films on all faces of peds; fragments; very strongly acid, pH 4.8, lamotte-morgan; clear smooth boundary. Lab sample # IL27589; observed in push tube. patchy - phpvsfiid 480305; continuous - phpvsfiid 480306; patchy - phpvsfiid 480305; continuous - phpvsfiid 480306
    B21t—38 to 64 centimeters (15.0 to 25.2 inches); yellowish brown (10YR 5/6) silty clay loam; 1 percent light brownish gray (10YR 6/2) medium distinct mottles; weak medium prismatic parts to moderate medium subangular blocky structure; firm; 3.0 roots between peds; distinct strong brown (7.5YR 4/6), moist, clay films on all faces of peds and prominent very pale brown (10YR 7/3), moist, silt coats on top faces of peds; rounded strongly coherent cemented mixed fragments; strongly acid, pH 5.4, lamotte-morgan; clear smooth boundary. Lab sample # IL27590; observed in push tube. continuous - phpvsfiid 480310; continuous - phpvsfiid 480310
    IIB22t—64 to 112 centimeters (25.2 to 44.1 inches); yellowish red (5YR 5/6) clay; 1 percent dark yellowish brown (10YR 4/6) fine distinct mottles; moderate medium prismatic parts to weak coarse angular blocky structure; very firm; 0.6 roots between peds; prominent yellowish red (5YR 4/6), moist, and red (2.5YR 4/6), moist, clay films on all faces of peds; 1 percent by volume rounded strongly coherent cemented mixed fragments; moderately acid, pH 5.6, lamotte-morgan; clear smooth boundary. Lab sample # IL27591; observed in push tube. continuous - phpvsfiid 480307; continuous - phpvsfiid 480307
    IIB23t—112 to 130 centimeters (44.1 to 51.2 inches); strong brown (7.5YR 5/6) clay loam; 1 percent light yellowish brown (10YR 6/4) fine distinct mottles; moderate medium angular blocky structure; very firm; 0.6 roots between peds; faint strong brown (7.5YR 4/6), moist, clay films on all faces of peds; 10 percent coarse prominent iron-manganese masses in matrix; fragments; moderately acid, pH 5.8, lamotte-morgan; clear smooth boundary. Lab sample # IL27592; observed in push tube. continuous - phpvsfiid 480309; continuous - phpvsfiid 480309
    IIB31—130 to 147 centimeters (51.2 to 57.9 inches); yellowish brown (10YR 5/6) clay; 1 percent brownish yellow (10YR 6/6) medium distinct and 10 percent light brownish gray (2.5Y 6/2) medium distinct mottles; weak medium angular blocky structure; firm; 0.6 roots between peds; faint yellowish brown (10YR 5/6), moist, clay films on all faces of peds; 10 percent coarse prominent iron-manganese masses in matrix; fragments; slightly acid, pH 6.4, lamotte-morgan; clear smooth boundary. Lab sample # IL27593; observed in push tube
    IIB32—147 to 168 centimeters (57.9 to 66.1 inches); yellowish brown (10YR 5/6) clay; 1 percent brownish yellow (10YR 6/6) medium distinct and 25 percent light brownish gray (2.5Y 6/2) medium distinct mottles; weak medium angular blocky structure; firm; 0.6 roots between peds; prominent olive gray (5Y 4/2), moist, clay films on all faces of peds; 25 percent coarse prominent iron-manganese masses in matrix; 1 percent by volume rounded strongly coherent cemented mixed fragments; neutral, pH 6.8, lamotte-morgan. Lab sample # IL27594; observed in push tube. patchy - phpvsfiid 480308; patchy - phpvsfiid 480308