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: 11/12/2024

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: 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).