IDENTIFIERS

  • Current Taxon Name (Soil Name): COTEAU
  • OSD
  • Series Extent
  • User Site ID: S1979LA097003
  • User Pedon ID: S1979LA097003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 80P0121
  • NCSS Pedon Lab Data NASIS Record ID - 47351
  • 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: 30.3866673
  • Std. Longitude: -91.9922256
  • Datum: WGS84
  • Township: 8S
  • Range: 4E
  • Section: 44
  • PLSS Details: 3.5 miles southeast of Grand Coteau; 1.2 miles south of La. Hwy 93, 475 feet north of gravel road; 150 feet south of east-west cross fence and 175 feet west of woods line, Spanish Land Grant
  • State: Louisiana
  • County: LA097—St. Landry
  • MLRA: 134—Southern Mississippi Valley Loess
  • Regional Office: 7—Auburn, AL
  • Non-MLRA Soil Survey Area: LA097—St. Landry Parish, Louisiana

    • PEDON

  • Describers Name: J. Driessen and K. Murphy
  • Current Taxonomic Class: Fine-silty, mixed, thermic Glossaquic Hapludalfs
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - COTEAU
  • PSC - 18 to 68 cm.
  • Classificaton Date - 7/16/2007
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Coteau
  • Taxonomic Class - Fine-silty, mixed, thermic Glossaquic Hapludalf
  • Taxon Kind - series
  • Classificaton Date - 11/6/1979
  • Moisture Class - udic
  • Moisture SUBClass - aquic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

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

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/6/1979 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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

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    APFURROW—0 to 0 centimeters (0.0 to 0.0 inches); fragments. Lab sample # 80P00605. Sample from Ap furrow.
    APROW—0 to 18 centimeters (0.0 to 7.1 inches); brown (10YR 5/3) silt loam; weak fine granular structure; very friable; 3.0 fine roots; fragments; strongly acid, pH 5.3, unspecified; clear smooth boundary. Lab sample # 80P00598. Sample from Ap row.
    B21T—18 to 38 centimeters (7.1 to 15.0 inches); dark yellowish brown (10YR 4/4) silty clay loam; moderate medium prismatic parts to moderate medium subangular blocky structure; firm; 3.0 fine roots; 3.0 fine vesicular pores; clay films on vertical faces of peds and pale brown (10YR 6/3) silt coats on vertical faces of peds and 30 percent black stains; fragments; moderately acid, pH 5.8, unspecified; gradual wavy boundary. Lab sample # 80P00599. discontinuous - phpvsfiid 199748; discontinuous - phpvsfiid 199748
    B&A'2—38 to 63 centimeters (15.0 to 24.8 inches); brown (7.5YR 4/4) silty clay loam; weak medium prismatic parts to moderate medium and coarse subangular blocky structure; firm; 0.5 fine roots; 3.0 fine vesicular pores; 30 percent black stains; fragments; moderately acid, pH 5.8, unspecified; gradual irregular boundary. Lab sample # 80P00600
    B22T—63 to 90 centimeters (24.8 to 35.4 inches); 65 percent dark yellowish brown (10YR 4/4) and 35 percent light brownish gray (10YR 6/2) silty clay loam; moderate medium and coarse prismatic parts to moderate medium subangular blocky structure; firm; 0.5 fine roots; 3.0 fine vesicular pores; 30 percent black stains; fragments; slightly acid, pH 6.3, unspecified; gradual wavy boundary. Lab sample # 80P00601
    B23T—90 to 118 centimeters (35.4 to 46.5 inches); 80 percent dark yellowish brown (10YR 4/4) and 20 percent pale brown (10YR 6/3) silty clay loam; 1 percent yellowish brown (10YR 5/6) medium distinct mottles; moderate medium prismatic parts to weak medium subangular blocky structure; firm; 0.5 fine roots; 3.0 fine vesicular pores; silt coats on faces of peds; fragments; slightly acid, pH 6.3, unspecified; gradual wavy boundary. Lab sample # 80P00602. patchy - phpvsfiid 199753; patchy - phpvsfiid 199753
    B3—118 to 150 centimeters (46.5 to 59.1 inches); brown (7.5YR 4/4) and light brownish gray (10YR 6/2) silt loam; 1 percent yellowish brown (10YR 5/6) fine mottles; weak very coarse prismatic structure; friable; 0.5 fine roots; 3.0 fine vesicular pores; 10 percent black stains; fragments; slightly acid, pH 6.3, unspecified. Lab sample # 80P00603
    B3—150 to 200 centimeters (59.1 to 78.7 inches); fragments. Lab sample # 80P00604. Horizon split for sampling.