IDENTIFIERS

  • Current Taxon Name (Soil Name): Clarence
  • OSD
  • Series Extent
  • User Site ID: 1978IL019006
  • User Pedon ID: 1978IL019006
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 78IL019006
  • NCSS Pedon Lab Data NASIS Record ID - 20990
  • Print Date: 2/16/2025

    • 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: 40.2854933
  • Std. Longitude: -88.0091620
  • Datum: WGS84
  • Township: 21N
  • Range: 10E
  • Section: 12
  • Location Description: 133FT W of private drive,80FT N of E-W fence
  • State: Illinois
  • County: IL019—Champaign
  • MLRA: 110—Northern Illinois and Indiana Heavy Till Plain
  • Non-MLRA Soil Survey Area: IL019—Champaign County, Illinois
  • 7.5 Minute USGS Quad: 40088-C1—Gifford, Illinois

    • PEDON

  • Describers Name: HRM, CEW
  • Current Taxonomic Class: Fine, illitic, mesic Aquic Argiudolls
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 6
  • Correlated Information:
  • Soil Name - Clarence
  • PSC - 25 to 75 cm.
  • Classificaton Date - 1/4/2010
  • Moisture Class - udic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Clarence
  • Classificaton Date - 1/1/1978
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: calcareous silty clay Wisconsinan till
  • Landform: till plain, hillslope
  • Slope Shape Across: convex
  • Runoff: medium
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/1/1978 (actual site observation date)
  • Air Photo ID:
  • 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
  • Yield Study ID -
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    argillic horizon

    0—25

    25—48

    —-

    —-
    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

    4

    —

    —

    232

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 25 centimeters (0.0 to 9.8 inches); very dark gray (10YR 3/1), brown (10YR 5/3), dry; silty clay; 1 percent olive gray (5Y 5/2) fine distinct mottles; strong very fine angular blocky structure; firm; rounded strongly coherent cemented mixed fragments; neutral, pH 6.7; abrupt smooth boundary. Lab sample # IL25386
    B21t—25 to 36 centimeters (9.8 to 14.2 inches); light olive brown (2.5Y 5/4) clay; 25 percent olive gray (5Y 5/2) fine faint mottles; weak medium subangular blocky structure; firm; 50 percent prominent very dark gray (10YR 3/1), moist, organoargillans on all faces of peds; rounded strongly coherent cemented mixed fragments; slightly alkaline, pH 7.4; clear smooth boundary. Lab sample # IL25387. continuous - phpvsfiid 480552; continuous - phpvsfiid 480552
    B22t—36 to 48 centimeters (14.2 to 18.9 inches); light olive brown (2.5Y 5/4) clay; 1 percent gray (5Y 5/1) fine distinct mottles; weak medium subangular blocky structure; firm; 25 percent prominent very dark gray (5Y 3/1), moist, organoargillans on all faces of peds; 10 percent medium prominent black (10YR 2/1), moist, iron-manganese concretions in matrix; rounded strongly coherent cemented mixed fragments; slightly alkaline, pH 7.8; clear smooth boundary. Lab sample # IL25388. discontinuous - phpvsfiid 480551; discontinuous - phpvsfiid 480551
    B3—48 to 81 centimeters (18.9 to 31.9 inches); light olive brown (2.5Y 5/4) clay; 25 percent gray (5Y 5/1) fine distinct mottles; weak coarse prismatic structure; very firm; 10 percent prominent dark gray (5Y 4/1), moist, clay films on all faces of peds; 25 percent medium prominent black (10YR 2/1), moist, iron-manganese concretions in matrix; 4 percent by volume rounded strongly coherent cemented mixed fragments; moderately alkaline, pH 8.0; gradual smooth boundary. Lab sample # IL25389. patchy - phpvsfiid 480553; patchy - phpvsfiid 480553
    C—81 to 91 centimeters (31.9 to 35.8 inches); light olive brown (2.5Y 5/4) silty clay; 25 percent gray (5Y 5/1) medium distinct mottles; structureless massive; extremely firm; 2 percent by volume rounded strongly coherent cemented mixed fragments; moderately alkaline, pH 8.0. Lab sample # IL25390