IDENTIFIERS

  • Current Taxon Name (Soil Name): St. Clair
  • OSD
  • Series Extent
  • User Site ID: 1952IL197001
  • User Pedon ID: 1952IL197001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 52IL197001
  • NCSS Pedon Lab Data NASIS Record ID - 20353
  • Print Date: 4/26/2025
  • 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: 41.3377490
  • Std. Longitude: -88.7077386
  • Datum: WGS84
  • Township: 33N
  • Range: 4E
  • Section: 13
  • State: Illinois
  • County: IL197—Will
  • MLRA: 110—Northern Illinois and Indiana Heavy Till Plain
  • Non-MLRA Soil Survey Area: IL197—Will 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 - 36 to 86 cm.
  • Classificaton Date - 2/22/2010
  • Moisture Class - udic
  • Moisture Subclass - oxyaquic
  • Sampled As Information:
  • Soil Name - Eylar
  • Classificaton Date - 6/1/1952
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: loess
  • Drainage Class: somewhat poorly
  • 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 - tree cover
  • Site Obs. Cover Kind 2 - hardwoods
  • 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

    A11—0 to 8 centimeters (0.0 to 3.1 inches); very dark grayish brown (10YR 3/2) crushed and very dark gray (10YR 3/1) silt loam; fine granular structure; friable; 6.0 fine roots; fragments; abrupt smooth boundary. Lab sample # IL17760
    A12—8 to 13 centimeters (3.1 to 5.1 inches); 75 percent dark gray (10YR 4/1) and 25 percent grayish brown (10YR 5/2) silt loam; granular, and weak thin platy structure; friable; fragments; clear wavy boundary. Lab sample # IL17761
    A2—13 to 23 centimeters (5.1 to 9.1 inches); pale brown (10YR 6/3) silt loam; weak subangular blocky, and thin platy, and moderate fine platy structure; friable; very dark gray (10YR 3/1), moist, organoargillans on all faces of peds; fragments; clear wavy boundary. Lab sample # IL17762
    B1—23 to 36 centimeters (9.1 to 14.2 inches); pale brown (10YR 6/3) silty clay loam; fine angular blocky structure; moderately plastic; 3.0 fine roots; very dark gray (10YR 3/1), moist, organoargillans on surfaces along root channels; 1 percent by volume rounded strongly coherent cemented mixed fragments; clear wavy boundary. Lab sample # IL17763
    B2—36 to 53 centimeters (14.2 to 20.9 inches); 75 percent yellowish brown (10YR 5/4) and 25 percent brown (10YR 5/3) silty clay; fine angular blocky structure; moderately plastic; 3.0 fine roots; 1 percent by volume rounded strongly coherent cemented mixed fragments; clear wavy boundary. Lab sample # IL17764
    B3—53 to 66 centimeters (20.9 to 26.0 inches); grayish brown (2.5Y 5/2) silty clay; 1 percent brownish yellow (10YR 6/8) and 1 percent light olive brown (2.5Y 5/6) mottles; fine angular blocky structure; moderately plastic; 0.1 roots; 1 percent by volume rounded strongly coherent cemented mixed fragments; clear wavy boundary. Lab sample # IL17765
    C1—66 to 114 centimeters (26.0 to 44.9 inches); grayish brown (2.5Y 5/2) silty clay; 1 percent strong brown (7.5YR 5/8) and 1 percent light olive brown (2.5Y 5/4) mottles; medium angular blocky structure; 0.1 roots; carbonate coats on all 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 # IL17766. patchy - phpvsfiid 429268; patchy - phpvsfiid 429268
    C2—114 to 127 centimeters (44.9 to 50.0 inches); light yellowish brown (10YR 6/4) silty clay loam; brownish yellow (10YR 6/8) mottles; massive; fragments; slight effervescence; slightly alkaline, pH 7.6. Lab sample # IL17767