IDENTIFIERS

  • Current Taxon Name (Soil Name): Nacogdoches
  • OSD
  • Series Extent
  • User Site ID: S1957TX405091
  • User Pedon ID: S1957TX405091
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A4551
  • NCSS Pedon Lab Data NASIS Record ID - 40703
  • Print Date: 11/12/2024

    • 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: 31.5027771
  • Std. Longitude: -94.0513916
  • Datum: WGS84
  • Location Description: E from intersection of Highways 21 and 147 E of San Augustine on Highway 21 3.7 miles; SE through gap in fence .2 miles through field to point 75 feet W of the SW corner of a small cemetery in cultivated field.
  • State: Texas
  • County: TX405—San Augustine
  • MLRA: 133B—Western Coastal Plain
  • Non-MLRA Soil Survey Area: TX619—San Augustine and Sabine Counties, Texas

    • PEDON

  • Describers Name: L. L. Gordon
  • Current Taxonomic Class: Fine, kaolinitic, thermic Rhodic Paleudalfs
  • Current Taxon Kind: series
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 91
  • Correlated Information:
  • Soil Name - Nacogdoches
  • PSC - 15 to 65 cm.
  • Classificaton Date - 7/23/2007
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Nacogdoches
  • Classificaton Date - 6/6/1957
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: ridge
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/6/1957 (actual site observation date)
  • Surface Cover Properties:
  • 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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    Ap—0 to 15 centimeters (0.0 to 5.9 inches); dark red (2.5YR 3/6), red (2.5YR 4/6), dry; fine sandy loam; massive parts to weak granular; hard, friable; 0.5 fine and medium pores; 1 percent iron concretions; 1 percent worm casts; fragments; clear smooth boundary. Lab sample # 40A34755. Surface 1/2" is massive crust. Iron concretions are 3-8 mm in diameter.
    B21t—15 to 71 centimeters (5.9 to 28.0 inches); dark red (10R 3/6), red (10R 4/6), dry; clay; moderate and strong fine subangular blocky structure; hard, friable, moderately sticky, moderately plastic; 3.0 fine and medium pores; clay films; 1 percent fine iron concretions; 3 percent worm casts; fragments; gradual smooth boundary. Lab sample # 40A34756. Iron concretions are 2-8 mm in diameter.; continuous - phpvsfiid 173716; continuous - phpvsfiid 173716
    B22t—71 to 104 centimeters (28.0 to 40.9 inches); dark red (10R 3/6), red (10R 4/6), dry; clay; 1 percent fine mottles; moderate fine subangular blocky structure; hard, friable, moderately sticky, moderately plastic; 3.0 fine and medium pores; clay films; 1 percent fine iron concretions; 3 percent worm casts; fragments; gradual smooth boundary. Lab sample # 40A34757. Yellow mottles seem to surround soft concretions.; continuous - phpvsfiid 173717; continuous - phpvsfiid 173717
    B23t—104 to 122 centimeters (40.9 to 48.0 inches); dark red (10R 3/6), red (10R 4/6), dry; sandy clay loam; 3 percent distinct mottles; moderate medium subangular blocky structure; hard, firm; clay films; 3 percent fine iron concretions; fragments; gradual smooth boundary. Lab sample # 40A34758. Some yellow mottles are soft concretions containing some glauconite.; discontinuous - phpvsfiid 173718; discontinuous - phpvsfiid 173718
    B3—122 to 173 centimeters (48.0 to 68.1 inches); dark red (10R 3/6), red (10R 4/6), dry; clay; 21 percent medium and coarse distinct mottles; hard, firm; fragments; gradual smooth boundary. Lab sample # 40A34759. A 2" layer of this material was encountered at 48".
    C—173 to 193 centimeters (68.1 to 76.0 inches); dark red (2.5YR 3/6) and dark yellowish brown (10YR 4/6), red (2.5YR 4/6) and brownish yellow (10YR 6/6), dry; clay; fragments. Lab sample # 40A34760. The sandy clay appears to be the brownish yellow portion.