IDENTIFIERS

  • Current Taxon Name (Soil Name): Laewest
  • OSD
  • Series Extent
  • User Site ID: S1999TX469001C
  • User Pedon ID: 99TX469001C
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 00P0387
  • NCSS Pedon Lab Data NASIS Record ID - 11900
  • User Project ID: 9-ROS-SDJR-FY16
  • Project Name: SDJR - MLRA 150A - Laewest 0 to 1
  • Print Date: 11/26/2024
  • 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: 28.7200000
  • Std. Longitude: -96.7564694
  • Datum: WGS84
  • Map Unit: LaA—Laewest clay, 0 to 1 percent slopes
  • State: Texas
  • County: TX469—Victoria
  • MLRA: 150A—Gulf Coast Prairies
  • Non-MLRA Soil Survey Area: TX469—Victoria County, Texas
  • 7.5 Minute USGS Quad: 28096-F7—Placedo, Texas
  • PEDON

  • Current Taxonomic Class: Fine, smectitic, hyperthermic Typic Hapluderts
  • Current Taxon Kind: series
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Laewest (flagged as OSD)
  • PSC - 25 to 102 cm.
  • Classificaton Date - 12/2/2015
  • Classifier - Kenneth Hall
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Laewest (High2)
  • Taxonomic Class - Fine, smectitic Typic Hapluderts
  • Classificaton Date - 11/17/1999
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1
  • QA Status: level 1


  • SITE

  • Parent Material: clayey fluviomarine deposits derived from igneous, metamorphic and sedimentary rock
  • Landscape: coastal plain
  • Landform: flat
  • Geomorphic Component Flats: talf
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: high
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/17/1999 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • 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

    0.5

    11.9

    A—0 to 12 centimeters (0.0 to 4.7 inches); gray (10YR 5/1), gray (10YR 5/1), dry; clay; moderate fine angular blocky parts to moderate fine and medium subangular blocky structure; very hard, very firm; 3.0 very fine and fine roots; 3.0 very fine tubular pores; very pale brown (10YR 8/3) carbonate nodules and 10 percent medium and coarse white (10YR 8/1); fragments; strong effervescence; gradual wavy boundary. Lab sample # 00P02665. less than 1 percent fine distinct very dark brown (10YR 2/2) iron manganese masses with sharp boundaries.
    Bkss1—12 to 44 centimeters (4.7 to 17.3 inches); dark gray (10YR 4/1), gray (10YR 5/1), dry; clay; strong medium angular blocky structure; very hard, very firm; 3.0 fine roots; 3.0 very fine tubular pores; fragments; strong effervescence; clear wavy boundary. Lab sample # 00P02666. 25 percent distinct slickensides tilted at 20 degrees from the horizontal; less than 1 percent fine very dark brown (10YR 2/2) iron-manganese masses with sharp boundaries; 2 percent fine distinct brown (10YR 5/3) masses of oxidized iron with sharp boundaries as halo around carbonate nodules; 5 percent medium and coarse carbonate nodules with few nodules with a hollow center.
    Bkss2—44 to 120 centimeters (17.3 to 47.2 inches); dark gray (10YR 4/1) clay; strong medium and coarse wedge structure; very hard, very firm; 0.1 very fine tubular pores; fragments; slight effervescence; gradual wavy boundary. Lab sample # 00P02667. 70 percent prominent slickensides tilted at 45 degrees from the horizontal; less than 1 percent fine very dark brown (10yr 2/2) masses of iron-manganese; 4 percent brown (10YR 5/3) masses of oxidized iron as a halo around carbonate nodules; 5 percent medium and coarse carbonate nodules with few having hollow centers.
    Bkss3—120 to 170 centimeters (47.2 to 66.9 inches); gray (2.5Y 5/1) clay; moderate medium and coarse wedge structure; very hard, very firm; 0.5 very fine pores; 5 percent medium and coarse carbonate nodules; fragments; strong effervescence; gradual wavy boundary. Lab sample # 00P02668. few fine roots on slickenside surfaces; 70 percent prominent dark gray (10YR 4/1) slickensides tilted at 45 to 65 degrees from the horizontal; less than 1 percent fine yellowish brown (10YR 5/4) iron-manganese nodules with sharp boundaries; 2 percent black (10Yr 2/1) iron-manganese masses; 5 percent medium and coarse carbonate nodules.
    Bkss4—170 to 197 centimeters (66.9 to 77.6 inches); 55 percent olive brown (2.5Y 4/4) and 45 percent olive brown (2.5Y 4/4) clay; moderate medium and coarse wedge structure; very hard, very firm; 0.1 very fine pores; fragments; strong effervescence; clear wavy boundary. Lab sample # 00P02669. few fine roots on slickenside surfaces; 55 percent dark grayish brown (10YR 4/2) slickensides tilted at 35 to 55 degrees from the horizontal; 1 percent spherical very dark brown (10YR 2/2) iron-manganese nodules; 5 percent fine and medium carbonate masses on slickenside surfaces; 2 percent fine and medium hard-pitted carbonate nodules; about 2 percent of the horizon is cracks filled with very dark brown (10YR 2/2) clay.
    Bss—197 to 215 centimeters (77.6 to 84.6 inches); yellowish brown (10YR 5/4) clay; moderate medium and coarse wedge structure; very firm; 0.1 very fine pores; 1 percent fine carbonate nodules; fragments; strong effervescence. Lab sample # 00P02670. very few fine roots on slickenside surfaces; 50 percent distinct dark grayish brown (10YR 4/2) slickensides and yellowish brown (10YR 5/6) slickensides tilted at 40 degrees from the horizontal; 1 percent very fine and fine very dark brown (10YR 2/2) iron manganese nodules; 5 percent fine and medium faint yellowish brown (10YR 5/6) and 3 percent medium faint yellowish brown (10YR 5/6); 5 percent fine and medium distinct light gray (2.5Y 7/2).