IDENTIFIERS

  • Current Taxon Name (Soil Name): Belknap
  • OSD
  • Series Extent
  • User Site ID: 1984IL121070
  • User Pedon ID: 1984IL121070
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 84IL121070
  • NCSS Pedon Lab Data NASIS Record ID - 21732
  • 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: 38.7059333
  • Std. Longitude: -89.1325528
  • Datum: WGS84
  • Township: 3N
  • Range: 1E
  • Section: 18
  • PLSS Details: 370 feet S & 2195 feet E of the NW corner
  • State: Illinois
  • County: IL121—Marion
  • MLRA: 113—Central Claypan Areas
  • Non-MLRA Soil Survey Area: IL121—Marion County, Illinois
  • 7.5 Minute USGS Quad: 38089-F2—Boulder, Illinois

    • PEDON

  • Describers Name: DBG, WBD
  • Current Taxonomic Class: Coarse-silty, mixed, active, acid, mesic Fluvaquentic Endoaquepts
  • Current Taxon Kind: series
  • Pedon Record Orgin: PedonPC
  • Pedon #: 70
  • Correlated Information:
  • Soil Name - Belknap
  • PSC - 25 to 100 cm.
  • Classificaton Date - 1/4/2010
  • Moisture Class - aquic
  • Sampled As Information:
  • Soil Name - Belknap
  • Classificaton Date - 7/1/1984
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/1/1984 (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 -
    • 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

    1

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    141

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    Ap—0 to 18 centimeters (0.0 to 7.1 inches); brown (10YR 4/3), light brownish gray (10YR 6/2), dry; silt loam; weak fine granular structure; friable; fragments; slightly acid, pH 6.3; abrupt smooth boundary. Lab sample # IL31094
    AC—18 to 43 centimeters (7.1 to 16.9 inches); brown (10YR 5/3) silt loam; 10 percent grayish brown (10YR 5/2) fine distinct mottles; weak thin platy, and weak medium granular structure; friable; 1 percent fine spherical iron-manganese concretions; fragments; very strongly acid, pH 4.7; clear smooth boundary. Lab sample # IL31095
    Cg1—43 to 66 centimeters (16.9 to 26.0 inches); variegated grayish brown (10YR 5/2) and light brownish gray (10YR 6/2) silt loam; 10 percent yellowish brown (10YR 5/6) medium distinct mottles; massive; friable; 10 percent fine spherical iron-manganese concretions; fragments; very strongly acid, pH 4.7; gradual smooth boundary. Lab sample # IL31096
    Cg2—66 to 112 centimeters (26.0 to 44.1 inches); variegated grayish brown (10YR 5/2) and gray (10YR 6/1) silt loam; 25 percent dark yellowish brown (10YR 4/4) medium distinct mottles; massive; friable; 10 percent fine spherical iron-manganese concretions; fragments; very strongly acid, pH 4.7; gradual smooth boundary. Lab sample # IL31097
    Cg3—112 to 152 centimeters (44.1 to 59.8 inches); variegated gray (10YR 6/1) and light brownish gray (10YR 6/2) silt loam; massive; friable; light gray (10YR 7/2), moist, silt coats on all faces of peds; 10 percent fine spherical iron-manganese concretions; fragments; very strongly acid, pH 4.7. Lab sample # IL31098