IDENTIFIERS

  • Current Taxon Name (Soil Name): LAKOA
  • OSD
  • Series Extent
  • User Site ID: S1978SD063035
  • User Pedon ID: S1978SD063035
  • Vegetation Plot ID: S1978SD063035
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 79P0041
  • NCSS Pedon Lab Data NASIS Record ID - 46225
  • Print Date: 11/21/2024

    • 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: 45.7955551
  • Std. Longitude: -103.4458313
  • Datum: WGS84
  • Township: 21N
  • Range: 5E
  • Section: 12
  • PLSS Details: 1920 feet west and 1600 feet north of the SE corner
  • Location Description: About 3 miles west and 3.5 miles south of Ludlow.
  • State: South Dakota
  • County: SD063—Harding
  • MLRA: 54—Rolling Soft Shale Plain
  • Non-MLRA Soil Survey Area: SD063—Harding County, South Dakota

    • PEDON

  • Describers Name: Warren J. Johnson
  • Current Taxonomic Class: Fine, montmorillonitic Mollic Eutroboralfs
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 35
  • Correlated Information:
  • Soil Name - LAKOA
  • Classificaton Date - 6/24/2004
  • Moisture Class - ustic
  • Sampled As Information:
  • Soil Name - Snd
  • Classificaton Date - 9/7/1978
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: tongue river material
  • Landscape: sloping upland
  • Slope Shape Down: convex
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/7/1978 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    PIPO

    POCO

    Pinus ponderosa

    Poa compressa

    ponderosa pine

    Canada bluegrass

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    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

    8

    —

    —

    1036

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    0

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    A11—0 to 8 centimeters (0.0 to 3.1 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; loam; weak fine platy parts to weak fine granular structure; soft, very friable; 21.0 fine roots; fragments; clear wavy boundary.
    A12—8 to 15 centimeters (3.1 to 5.9 inches); very dark grayish brown (10YR 3/2), dark grayish brown (10YR 4/2), dry; loam; weak medium prismatic parts to weak fine and medium subangular blocky structure; soft, very friable, slightly sticky; 21.0 fine roots; fragments; clear wavy boundary.
    B&A—15 to 25 centimeters (5.9 to 9.8 inches); brown (7.5YR 5/2), light brown (7.5YR 6/3) and brown (7.5YR 4/4), dry; silty clay loam; weak medium prismatic parts to strong fine and medium subangular blocky structure; hard, friable, moderately sticky, moderately plastic; 21.0 fine roots; fragments; gradual wavy boundary.
    B2t—25 to 46 centimeters (9.8 to 18.1 inches); brown (7.5YR 4/2), brown (7.5YR 5/2), dry; silty clay loam; moderate medium and coarse prismatic parts to strong fine and medium blocky structure; very hard, firm, moderately sticky, moderately plastic; 3.0 fine roots; fragments; gradual wavy boundary. Lab sample # 79P00210
    B3—46 to 56 centimeters (18.1 to 22.0 inches); brown (7.5YR 5/3), pinkish gray (7.5YR 6/2) and pinkish gray (7.5YR 7/2) and gray (7.5YR 6/1), dry; silty clay loam; moderate coarse prismatic parts to moderate coarse subangular blocky structure; very hard, firm, moderately sticky, moderately plastic; 3.0 fine roots; fragments; abrupt wavy boundary. Lab sample # 79P00211
    C1ca—56 to 71 centimeters (22.0 to 28.0 inches); light gray (7.5YR 7/1), pinkish gray (7.5YR 6/2) and white (7.5YR 8/1) and pinkish gray (7.5YR 7/2), dry; silty clay loam; massive; hard, friable, moderately sticky, moderately plastic; 3.0 fine roots; fragments; clear wavy boundary. Lab sample # 79P00212
    C2—71 to 97 centimeters (28.0 to 38.2 inches); pinkish gray (7.5YR 7/2), white (7.5YR 8/1) and pinkish gray (7.5YR 7/2), dry; silt, stones; fragments; strong effervescence; clear wavy boundary.
    Cr—97 to 152 centimeters (38.2 to 59.8 inches); light gray (7.5YR 7/1), white (7.5YR 8/1), dry; silt, stones; fragments; strong effervescence.