IDENTIFIERS

  • Current Taxon Name (Soil Name): Laewest
  • OSD
  • Series Extent
  • User Site ID: S1988TX469001
  • User Pedon ID: 88TX469001
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 89P0032
  • NCSS Pedon Lab Data NASIS Record ID - 61137
  • User Project ID: 9-ROS-SDJR-FY16
  • Project Name: SDJR - MLRA 150A - Laewest 0 to 1
  • Print Date: 2/17/2025

    • 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: 28.6616667
  • Std. Longitude: -96.7722250
  • Datum: WGS84
  • Location Description: Victoria County, TX. 3.5 mi (5.5 km) SW of Placedo on US87, 0.5 mi (0.7 km) NE on gravel road, 400 meters SE in pasture.
  • Map Unit: LaA—Laewest clay, 0 to 1 percent slopes
  • State: Texas
  • County: TX469—Victoria
  • MLRA: 150A—Gulf Coast Prairies
  • 7.5 Minute USGS Quad: 28096-F7—Placedo, Texas

    • PEDON

  • Describers Name: J. Jacobs, W. Miller, and L. Wilding
  • Current Taxonomic Class: Fine, smectitic, hyperthermic Typic Hapluderts
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • 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 - Lake Charles low
  • Classificaton Date - 8/1/1988
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • 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 Position: depression
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: very low
  • Drainage Class: somewhat poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1988 (actual site observation date)
  • Microrelief Elevation: 35
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    0—43

    —-
    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

    1

    —

    —

    12

    —

    137

    —

    —

    21

    28

    13

    —

    —

    —

    —

    —

    —

    —

    —
    A1—0 to 8 centimeters (0.0 to 3.1 inches); very dark gray (10YR 3/1), dark gray (10YR 4/1), dry; clay; moderate medium subangular blocky, and moderate fine granular structure; friable; 2.5 medium roots throughout and 5.5 fine roots throughout; 0.5 fine pores; fragments; gradual smooth boundary. Lab sample # 89P00334. common medium roots throughout; many fine roots throughout
    A2—8 to 25 centimeters (3.1 to 9.8 inches); 2.5Y 3/0 (2.5Y 3/0) clay; strong coarse subangular blocky, and moderate medium subangular blocky structure; very hard; 2.5 fine roots throughout; fragments; gradual smooth boundary. Lab sample # 89P00335. common fine roots throughout
    A3—25 to 43 centimeters (9.8 to 16.9 inches); 2.5Y 3/0 (2.5Y 3/0) clay; moderate medium subangular blocky, and strong coarse subangular blocky structure; very hard; 0.5 medium roots throughout and 2.5 fine roots throughout; fragments; gradual smooth boundary. Lab sample # 89P00336. < 5% distinct pressure faces; few medium roots throughout; common fine roots throughout
    Bw—43 to 58 centimeters (16.9 to 22.8 inches); 2.5Y 3/0 (2.5Y 3/0) clay; moderate medium subangular blocky, and strong medium angular blocky structure; very hard; 0.5 medium roots throughout and 2.5 fine roots throughout; 1 percent medium iron-manganese concretions; fragments; gradual smooth boundary. Lab sample # 89P00337. < 5% distinct pressure faces; few medium iron-manganese concretions concentrations; few medium roots throughout; common fine roots throughout
    Bss1—58 to 102 centimeters (22.8 to 40.2 inches); 2.5Y 3/0 (2.5Y 3/0) clay; moderate coarse angular blocky, and moderate medium subangular blocky structure; very hard; 0.5 fine roots throughout; 1 percent medium iron-manganese concretions; fragments; gradual smooth boundary. Lab sample # 89P00338. 10% ped faces with prominent slickensides at 45 degrees; few medium iron-manganese concretions concentrations; few fine roots throughout
    Bss2—102 to 135 centimeters (40.2 to 53.1 inches); 2.5Y 3/0 (2.5Y 3/0) clay; weak fine subangular blocky, and weak medium subangular blocky structure; very firm; 0.5 fine roots throughout; 1 percent medium iron-manganese concretions; fragments; gradual smooth boundary. Lab sample # 89P00339. 20% slickensides 10 to 30 degrees; few medium iron-manganese concretions concentrations; few fine roots throughout
    Bss3—135 to 150 centimeters (53.1 to 59.1 inches); 2.5Y 4/0 (2.5Y 4/0) clay; weak medium subangular blocky, and weak fine subangular blocky structure; very firm; 0.5 fine roots throughout; 1 percent medium iron-manganese concretions; 30 percent medium carbonate concretions; fragments; slight effervescence, by hcl, 1n; clear wavy boundary. Lab sample # 89P00340. 20% slickensides; few medium iron-manganese concretions concentrations; many medium lime concretions concentrations; few fine roots throughout
    BCkss—150 to 170 centimeters (59.1 to 66.9 inches); light brownish gray (2.5Y 6/2) clay; 1 percent 2.5Y 3/0 (2.5Y 3/0) fine distinct and 1 percent olive yellow (2.5Y 6/6) fine distinct mottles; weak medium subangular blocky structure; very firm; 0.5 fine roots throughout; 30 percent medium iron-manganese concretions; 30 percent medium lime masses; fragments; violent effervescence, by hcl, 1n; clear wavy boundary. Lab sample # 89P00341. 20% slickensides; many medium iron-manganese concretions concentrations; many medium soft masses of lime concentrations; few fine roots throughout; few fine distinct 2.5Y30 mottles; few fine distinct 2.5Y66 mottles
    BCk1—170 to 221 centimeters (66.9 to 87.0 inches); light brownish gray (2.5Y 6/2) clay; 11 percent light olive brown (2.5Y 5/6) medium distinct mottles; weak medium subangular blocky structure; very firm; 11 percent medium lime masses; fragments; violent effervescence, by hcl, 1n. Lab sample # 89P00342; moist when described;. common medium soft masses of lime concentrations; common medium distinct 2.5Y56 mottles
    BCk2—221 to 279 centimeters (87.0 to 109.8 inches); 70 percent pale yellow (5Y 7/3) silty clay loam; 30 percent yellowish brown (10YR 5/8) coarse prominent mottles; moderate medium angular blocky, and weak coarse platy structure; very hard, very firm; 2 percent prominent black (10YR 2/1), moist, manganese or iron-manganese stains; 30 percent medium spherical lime masses; fragments; strong effervescence, by hcl, 1n. Lab sample # 89P00343; moist when described;. carbonates have hard centers, no slickenside; pressure faces on abk faces; many medium soft masses of lime concentrations; very few manganese or iron-manganese stains surface features; many coarse prominent 10YR58 mottles; discontinuous - phpvsfiid 1454511; discontinuous - phpvsfiid 1454511
    Ck1—279 to 356 centimeters (109.8 to 140.2 inches); 60 percent light brownish gray (2.5Y 6/2) clay loam; 30 percent olive yellow (2.5Y 6/8) medium distinct mottles; weak coarse platy, and moderate medium angular blocky structure; very hard, very firm; 2 percent distinct black (10YR 2/1), moist, manganese or iron-manganese stains on horizontal faces of peds; 11 percent coarse spherical lime masses and 30 percent fine spherical lime masses; fragments; strong effervescence, by hcl, 1n. Lab sample # 89P00344; moist when described;. coarse carbonate has hard centers; no slickenside; pressure faces on abk faces; moist; common coarse soft masses of lime concentrations; many fine soft masses of lime concentrations; very few manganese or iron-manganese stains surface features on horizontal faces of peds; many medium distinct 2.5Y68 mottles; discontinuous - phpvsfiid 1454509; discontinuous - phpvsfiid 1454509
    Ck2—356 to 394 centimeters (140.2 to 155.1 inches); 50 percent light gray (2.5Y 7/2) sandy clay loam; 30 percent olive yellow (2.5Y 6/6) coarse distinct mottles; massive; hard, friable; 2 percent faint black (10YR 2/1), moist, manganese or iron-manganese stains; 1 percent fine masses of oxidized iron; 1 percent fine and medium lime masses; fragments; slight effervescence, by hcl, 1n. Lab sample # 89P00345; moist when described;. moist; few fine and medium soft masses of lime concentrations; few fine soft masses of iron concentrations; very few manganese or iron-manganese stains surface features; many coarse distinct 2.5Y66 mottles; patchy - phpvsfiid 1454510; patchy - phpvsfiid 1454510
    Ck3—394 to 511 centimeters (155.1 to 201.2 inches); 65 percent brownish yellow (10YR 6/8) silty clay loam; 30 percent light brownish gray (2.5Y 6/2) medium distinct mottles; moderate medium angular blocky, and weak coarse platy structure; very hard, very firm; 15 percent distinct black (10YR 2/1), moist, manganese or iron-manganese stains on all faces of peds; 30 percent very coarse lime masses; fragments; strong effervescence, by hcl, 1n. Lab sample # 89P00346; moist when described;. large carbonate masses have hard center, no slickensides, pressure faces on abk faces; many very coarse soft masses of lime concentrations; few manganese or iron-manganese stains surface features on vertical and horizontal faces of peds; many medium distinct 2.5Y62 mottles; patchy - phpvsfiid 1454512; patchy - phpvsfiid 1454512
    C1—511 to 521 centimeters (201.2 to 205.1 inches); clay; fragments.; wet when described;. saturated
    C2—521 to 610 centimeters (205.1 to 240.2 inches); light yellowish brown (2.5Y 6/4) silty clay; 30 percent yellowish brown (10YR 5/8) medium distinct mottles; very hard, very firm; 30 percent fine iron-manganese masses; fragments; very slight effervescence, by hcl, 1n. Lab sample # 89P00347; moist when described;. moist, dense, and compact; many fine soft masses of iron-manganese concentrations; many medium distinct 10YR58 mottles