IDENTIFIERS

  • Current Taxon Name (Soil Name): Okaton
  • OSD
  • Series Extent
  • User Site ID: S1983SD085003
  • User Pedon ID: 83SD085003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 83P0560
  • NCSS Pedon Lab Data NASIS Record ID - 52797
  • Print Date: 5/31/2024

    • 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: 43.5291672
  • Std. Longitude: -99.3908310
  • Datum: WGS84
  • Township: 101N
  • Range: 72W
  • Section: 24
  • PLSS Details: 1,760 feet W and 200 feet N of the SE corner
  • State: South Dakota
  • County: SD085—Lyman

    • PEDON

  • Describers Name: Thomas Schumacher and rod Krauss
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 3
  • Sampled As Information:
  • Soil Name - Okaton
  • Taxonomic Class - Clayey, montmorillonitic (calcareous), shallow Typic Ustorthents
  • Classificaton Date - 4/1/1983
  • Moisture Class - ustic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: hills
  • Landform: upland slope
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/1/1983 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • 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

    6

    —

    —

    —

    —

    180

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    1A—0 to 8 centimeters (0.0 to 3.1 inches); dark grayish brown (2.5Y 4/2) interior, grayish brown (2.5Y 5/2) interior, dry; silty clay; weak fine subangular blocky, and weak fine granular structure; hard, friable, moderately sticky, moderately plastic; 2.5 very fine and fine roots; fragments; strong effervescence, by hcl, 1n; slightly alkaline, pH 7.6, hellige-truog; clear smooth boundary. Lab sample # 83P02672. common very fine and fine roots
    1AC—8 to 18 centimeters (3.1 to 7.1 inches); dark grayish brown (2.5Y 4/2) interior, grayish brown (2.5Y 5/2) interior, dry; silty clay; weak fine and medium subangular blocky structure; hard, friable, moderately sticky, moderately plastic; 2.5 very fine roots; fragments; violent effervescence, by hcl, 1n; slightly alkaline, pH 7.6, hellige-truog; clear wavy boundary. Lab sample # 83P02673. 10 to 20 percent shale fragments.; common very fine roots
    1C—18 to 30 centimeters (7.1 to 11.8 inches); dark grayish brown (2.5Y 4/2) interior, light brownish gray (2.5Y 6/2) interior, dry; shaly clay; massive; hard, friable, moderately sticky, moderately plastic; 0.5 very fine roots; 15 percent yellowish brown (10YR 5/8) manganese or iron-manganese stains; fragments; strong effervescence, by hcl, 1n; slightly alkaline, pH 7.6, hellige-truog; gradual wavy boundary. Lab sample # 83P02674. 35 to 45 percent shale fragments.; few manganese or iron-manganese stains surface features; few very fine roots
    1Cr1—30 to 43 centimeters (11.8 to 16.9 inches); dark grayish brown (2.5Y 4/2) interior, light brownish gray (2.5Y 6/2) interior, dry; clay; 0.5 very fine roots; fragments; strong effervescence, by hcl, 1n; slightly alkaline, pH 7.6, hellige-truog; clear smooth boundary. Lab sample # 83P02675. Few fine iron stains of brownish yellow (10YR 6/8) yellowish brown (10YR 5/8) moist between shale plates.; few very fine roots
    1Cr2—43 to 152 centimeters (16.9 to 59.8 inches); dark grayish brown (2.5Y 4/2) interior, light brownish gray (2.5Y 6/2) interior, dry; clay; 20 percent fine and medium gypsum masses; fragments; strong effervescence, by hcl, 1n; slightly alkaline, pH 7.6, hellige-truog. Lab sample # 83P02676. Common fine and medium iron stains of brownish yellow (10YR 6/8) and yellowish brown (10YR 5/8) moist between shale plates.; common to many fine and medium masses of gypsum concentrations