IDENTIFIERS

  • Current Taxon Name (Soil Name): St. Clair
  • OSD
  • Series Extent
  • User Site ID: 1952IL099001
  • User Pedon ID: 1952IL099001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 52IL099001
  • NCSS Pedon Lab Data NASIS Record ID - 20349
  • Print Date: 2/1/2025

    • 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: 41.3376351
  • Std. Longitude: -88.7075691
  • Datum: WGS84
  • Township: 33N
  • Range: 4E
  • Section: 13
  • State: Illinois
  • County: IL099—La Salle
  • MLRA: 110—Northern Illinois and Indiana Heavy Till Plain
  • Non-MLRA Soil Survey Area: IL099—La Salle County, Illinois

    • PEDON

  • Describers Name: AHB, RTO, PTV, HLW
  • Current Taxonomic Class: Fine, illitic, mesic Oxyaquic Hapludalfs
  • Pedon Record Orgin: PedonPC
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - St. Clair
  • PSC - 33 to 83 cm.
  • Classificaton Date - 2/22/2010
  • Moisture Class - udic
  • Moisture Subclass - oxyaquic
  • Sampled As Information:
  • Soil Name - St. Clair
  • Classificaton Date - 6/1/1952
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess over till
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/1/1952 (actual site observation date)
  • Air Photo ID:
  • 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
  • Yield Study ID -
    • 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

    5.5

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    A1—0 to 8 centimeters (0.0 to 3.1 inches); dark gray (10YR 4/1) silt loam; weak granular structure; friable; 6.0 fine roots; fragments; abrupt smooth boundary. Lab sample # IL17754
    A2—8 to 23 centimeters (3.1 to 9.1 inches); variegated 50 percent brown (10YR 5/3) and 50 percent pale brown (10YR 6/3) silty clay loam; weak platy structure; 6.0 fine roots; dark gray (10YR 4/1), moist, organoargillans on surfaces along root channels; fragments; clear wavy boundary. Lab sample # IL17755
    B1—23 to 33 centimeters (9.1 to 13.0 inches); variegated 50 percent dark yellowish brown (10YR 4/4) and 50 percent brown (10YR 5/3) silty clay; very fine subangular blocky structure; 3.0 fine roots; clay films on all faces of peds; fragments; clear wavy boundary. Lab sample # IL17756
    B2—33 to 46 centimeters (13.0 to 18.1 inches); variegated 50 percent brown (10YR 5/3) and 50 percent yellowish brown (10YR 5/4) clay; 1 percent yellowish brown (10YR 5/6) mottles; fine angular blocky structure; 0.6 fine roots; dark gray (10YR 4/1), moist, organoargillans on all faces of peds; fragments; clear wavy boundary. Lab sample # IL17757
    C1—46 to 71 centimeters (18.1 to 28.0 inches); 75 percent grayish brown (2.5Y 5/2) clay; 10 percent gray (5Y 5/1) and 15 percent light olive brown (2.5Y 5/6) mottles; fine angular blocky structure; 0.6 fine roots; 1 percent dark yellowish brown (10YR 3/4), moist, masses of oxidized iron on faces of peds; 1 percent by volume rounded strongly coherent cemented mixed fragments; slight effervescence; slightly alkaline, pH 7.6; clear wavy boundary. Lab sample # IL17758
    C2—71 to 127 centimeters (28.0 to 50.0 inches); 90 percent light olive gray (5Y 6/2) clay; 5 percent light olive brown (2.5Y 5/6) and 5 percent grayish brown (2.5Y 5/2) mottles; medium angular blocky structure; 0.6 fine roots; very pale brown (10YR 7/3), moist, carbonate coats on all faces of peds; strong brown (7.5YR 5/8), moist, masses of oxidized iron on faces of peds; 1 percent by volume rounded strongly coherent cemented mixed fragments; slight effervescence; slightly alkaline, pH 7.6. Lab sample # IL17759