IDENTIFIERS

  • Current Taxon Name (Soil Name): Octagon
  • OSD
  • Series Extent
  • User Site ID: 1977IN181003
  • User Pedon ID: 1977IN181003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - Purdue
  • Lab Pedon # - WH7703
  • NCSS Pedon Lab Data NASIS Record ID - 22786
  • Print Date: 1/31/2025

    • 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: 40.6647194
  • Std. Longitude: -87.0824056
  • Datum: WGS84
  • Township: 26N
  • Range: 6W
  • Section: 27
  • PLSS Details: 315 feet north and 1115 feet west of the southeast CORNER
  • State: Indiana
  • County: IN181—White

    • PEDON

  • Describers Name: Langlois and Osterholz
  • Current Taxonomic Class: Fine-loamy, mesic Mollic Hapludalfs
  • Pedon Purpose: full pedon description
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - Octagon
  • Classificaton Date - 3/27/2009
  • Sampled As Information:
  • Soil Name - Octagon
  • Classificaton Date - 4/8/1977
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: rise on till plain
  • Drainage Class: well
  • Geology: Wisconsin formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/8/1977 (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

    3

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    AP—0 to 20 centimeters (0.0 to 7.9 inches); very dark grayish brown (10YR 3/2) silt loam; moderate medium granular structure; friable; fragments; neutral, pH 6.9; abrupt smooth boundary. Lab sample # WH77031
    B1—20 to 30 centimeters (7.9 to 11.8 inches); brown (10YR 4/3) silt loam; moderate very coarse subangular blocky structure; friable; 35 percent very dark grayish brown (10YR 3/2), moist, organic stains on faces of peds; fragments; moderately acid, pH 5.7; clear wavy boundary. Lab sample # WH77032
    B21T—30 to 46 centimeters (11.8 to 18.1 inches); brown (10YR 4/3) silty clay loam; moderate fine subangular blocky structure; firm; 70 percent dark brown (10YR 3/3), moist, clay films on faces of peds and 70 percent dark brown (10YR 3/3), moist, organic stains on faces of peds; fragments; strongly acid, pH 5.4; clear wavy boundary. Lab sample # WH77033
    B22T—46 to 61 centimeters (18.1 to 24.0 inches); dark yellowish brown (10YR 4/4) clay loam; moderate medium subangular blocky structure; firm; 70 percent dark brown (10YR 3/3), moist, clay films on faces of peds and 70 percent dark brown (10YR 3/3), moist, organic stains on faces of peds; 3 percent faint brown (10YR 5/3), moist, masses of oxidized iron; fragments; strongly acid, pH 5.4; clear wavy boundary. Lab sample # WH77034
    B23T—61 to 79 centimeters (24.0 to 31.1 inches); yellowish brown (10YR 5/4) clay loam; moderate medium subangular blocky structure; firm; 70 percent brown (10YR 5/3), moist, clay films on faces of peds; 1 percent brown (7.5YR 4/4), moist, iron-manganese concretions; fragments; moderately acid, pH 5.6; clear wavy boundary. Lab sample # WH77035
    B24T—79 to 94 centimeters (31.1 to 37.0 inches); yellowish brown (10YR 5/4) loam; moderate coarse subangular blocky structure; firm; 70 percent dark brown (10YR 3/3), moist, clay films on faces of peds; fragments; neutral, pH 7.0; clear wavy boundary. Lab sample # WH77036
    C—94 to 152 centimeters (37.0 to 59.8 inches); yellowish brown (10YR 5/4) loam; massive; firm; fragments; strong effervescence; moderately alkaline, pH 8.1. Lab sample # WH77037