IDENTIFIERS

Current Taxon Name (Soil Name): Leton

OSD

Series Extent

User Site ID: S12TX2451001

User Pedon ID: S12TX2451001

Lab Information:

Certified Lab Pedon Description - yes

Lab Source ID - KSSL

Lab Pedon # - 12N7638

NCSS Pedon Lab Data NASIS Record ID - 73084

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: 29.7444556

Std. Longitude: -94.1720611

Datum: WGS84

Country: US—United States

State: Texas

County: TX245—Jefferson

MLRA: 150A—Gulf Coast Prairies

Non-MLRA Soil Survey Area: TX623—Jefferson and Orange Counties, Texas

7.5 Minute USGS Quad: 29094-F2—Star Lake, Texas

PEDON

Describers Name: Jon Wiedenfeld

Current Taxonomic Class: Fine-silty, siliceous, hyperthermic Typic Endoaqualfs

Current Taxon Kind: series

Pedon Type: TUD pedon

Pedon Purpose: soil survey inventory

Pedon Record Orgin: PedonPC

Correlated Information:

Soil Name - Leton

PSC - 38 to 88 cm.

Classificaton Date - 4/3/2012

Soil Taxonomic Edition - eleventh edition

Moisture Class - aquic

Moisture Subclass - aquic

Sampled As Information:

Soil Name - Leton

Taxonomic Class - Siliceous

Classificaton Date - 9/28/2011

Dynamic Soil Properties:

Erosion Class - 0

Pedoderm Loose Cover Indicator - no

Hydric: yes

Certification Status: certified

QC Status: level 1

SITE

Landscape: flat coastal plain, relict meander belt

Landform: flat

Microfeature: open depression

Geomorphic Component Flats: dip

Slope Complexity: simple

Slope Shape Across: linear

Slope Shape Down: concave

Runoff: negligible

Drainage Class: very poorly

Flooding: frequent flooding

Ponding: frequent ponding for very long periods begining in jan

Geology: Holocene Stage formation.

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 9/28/2011 (actual site observation date)

Surface Water Kind: ponded

Surface Water Depth: 30

Surface Cover Properties:

Site Obs. Cover Kind 1 - grass/herbaceous cover

Site Obs. Cover Kind 2 - other grass/herbaceous cover

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Current Weather - partly cloudy

Site Erosion Accelerated: water erosion sheet

Pedon Horizon Lab Results - 1
Horizon	Top Depth	Bottom Depth	Sample ID	Data Collector	Total Clay	CaCO3 Clay	Total Silt	Fine Silt	Co. Silt	Total Sand	Total Sand Method	VC Sand	Co. Sand	Med. Sand	Fine Sand	VF Sand	VF Sand Method	Texture Class - Field Lab	Rubbed Fiber	Unrubbed Fiber	pH H2O
	cm	cm			%	%	%	%	%	%		%	%	%	%	%			%	%
A1 A2 Btg1 Btg2 Btg3 Btkg1 Btkg2	0 16 38 74 110 153 188	16 38 74 110 153 188 203	— — — — — — —	— — — — — — —	14.2 13.4 25.2 29.9 33.7 34.3 28.6	— — — — — — —	47.3 49.3 44.3 40.9 37 37.7 34.2	19.9 21.9 21.1 18.1 16.6 18.1 15.6	27.4 27.4 23.2 22.8 20.4 19.6 18.6	38.5 37.3 30.5 29.2 29.3 28 37.2	— — — — — — —	0 0 0 0 0 0 0	0 0 0.1 0 0 0 0	0.1 0.1 0 0 0.1 0 0.1	17.1 10.4 7.8 8.1 11.7 7.5 11.9	21.3 26.8 22.6 21.1 17.5 20.5 25.2	— — — — — — —	l l l cl cl cl cl	— — — — — — —	— — — — — — —	4.8 4.8 5.2 5.9 6.9 7 7.3

Pedon Horizon Lab Results - 2
Horizon	Top Depth	Bottom Depth	Sample ID	pH CaCl2	pH NaF	pH Ox	Delta pH	LL	PL	PI	Atter. Samp. Cond.	COLE	Pot. Acidity	Ca + Mg - Meh 2	K	Ca + Mg - Sat. Paste	KCl Extract. Acidity	Base Sat. - Meh 2	CEC-7	CEC-8.2
	cm	cm						%	%	%		cm/cm	meq/100g	cmol(+)/kg	cmol(+)/kg	mmol(+)/l	cmol(+)/kg	%	cmol(+)/kg	cmol(+)/kg
A1 A2 Btg1 Btg2 Btg3 Btkg1 Btkg2	0 16 38 74 110 153 188	16 38 74 110 153 188 203	— — — — — — —	4.3 4.4 5 5.6 6.1 6.4 6.6	— — — — — — —	— — — — — — —	— — — — — — —	— — — — — — —	— — — — — — —		— — — — — — —	— — — — — — —	— — — — — — —	— — — — — — —	— — — — — — —	— — — — — — —	— — — — — — —	— — 99 99 — — —	— — — — — — —	— — — — — — —

Pedon Horizon Lab Results - 3
Horizon	Top Depth	Bottom Depth	Sample ID	ECEC	Phosphate P	NO3-N	EC	EC Method	EC 1:5 by volume	CaCO3 Equiv.	Equiv. Gypsum	Na	SAR	Gypsum Req.	Humic Color	Fulvic Color	Humic + Fulvic Color	Al	PI	Pyro. Hue	PyrO. Value	Pyro. Chroma
	cm	cm		cmol(+)/kg	mg/kg	mg/kg	dS/m		dS/m	%	%	mmol(+)/l	%	L-pcu/g	L-pcu/g	L-pcu/g	%
A1 A2 Btg1 Btg2 Btg3 Btkg1 Btkg2	0 16 38 74 110 153 188	16 38 74 110 153 188 203	— — — — — — —	— — — — — — —	— — — — — — —	— — — — — — —	1.3 2.3 2.3 1.5 0.8 0.7 0.7	— — — — — — —	— — — — — — —	— — — — — — —	— — — — — — —	11 20 14 5.9 15 17 16	2.6 8 8 3.7 1.3 0.6 1.6	— — — — — — —	— — — — — — —	— — — — — — —	— — — — — — —	— — — — — — —	— — — — — — —	— — — — — — —	— — — — — — —	— — — — — — —

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
ochric epipedon episaturation argillic horizon aquic conditions glossic horizon endosaturation	0—16 0—74 16—203 38—74 153—203 153—153	—16— —74— —187— —36— —50— —1—

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
—	—	—	0.6	—	2	—	—	—	—	—	—	—	—	—	—	—	—	—	—

A1—0 to 16 centimeters (0.0 to 6.3 inches); dark yellowish brown (10YR 4/1), gray (10YR 5/1), dry; loam; weak fine subangular blocky structure; friable; 7.0 very fine roots throughout and 12.0 fine roots throughout; 2.0 very fine tubular and 2.0 fine interstitial pores; 2 percent fine faint gray (10YR 5/1), moist, iron depletions with clear boundaries in matrix surrounding redox concentrations and 3 percent fine prominent dark yellowish brown (10YR 3/6), moist, masses of oxidized iron with clear boundaries lining pores; fragments; very strongly acid, pH 4.8; gradual wavy boundary.; moist when described; observed in pit, large or quarry

A2—16 to 38 centimeters (6.3 to 15.0 inches); dark gray (2.5Y 4/1) and pale brown (10YR 6/3) loam; weak medium subangular blocky structure; friable; 8.0 very fine roots throughout and 1.0 fine roots throughout; 3.0 very fine tubular pores; 3 percent distinct light gray (10YR 7/2), moist, sand coats on vertical faces of peds and 5 percent distinct dark gray (10YR 4/1), moist, clay films on all faces of peds; 3 percent medium prominent brownish yellow (10YR 6/8), moist, masses of oxidized iron with clear boundaries in matrix surrounding redox concentrations and 8 percent fine prominent strong brown (7.5YR 5/8), moist, masses of oxidized iron with sharp boundaries lining pores; fragments; very strongly acid, pH 4.8; gradual wavy boundary.; moist when described; observed in pit, large or quarry

Btg1—38 to 74 centimeters (15.0 to 29.1 inches); gray (2.5Y 5/1) loam; moderate coarse subangular blocky structure; friable; 5.0 very fine roots throughout; 3.0 very fine tubular pores; 3 percent distinct light gray (10YR 7/2), moist, sand coats on vertical faces of peds and 10 percent faint dark gray (10YR 4/1), moist, clay films on all faces of peds; 3 percent medium gray (5Y 6/1), moist, iron depletions with diffuse boundaries in matrix surrounding redox concentrations and 5 percent medium strong brown (7.5YR 4/6), moist, masses of oxidized iron with sharp boundaries lining pores; fragments; strongly acid, pH 5.2; gradual wavy boundary.; moist when described; observed in pit, large or quarry

Btg2—74 to 110 centimeters (29.1 to 43.3 inches); gray (5Y 5/1) clay loam; weak medium prismatic parts to moderate medium angular blocky structure; firm; 2.0 very fine roots; 2.0 very fine tubular pores; 10 percent distinct gray (2.5Y 5/1), moist, clay films on all faces of peds; 1 percent fine prominent dark yellowish brown (10YR 3/6), moist, masses of oxidized iron with diffuse boundaries lining pores and 2 percent coarse distinct light greenish gray (5BG 7/1), moist, iron depletions with diffuse boundaries lining pores and 5 percent medium prominent brownish yellow (10YR 6/6), moist, masses of oxidized iron with diffuse boundaries in matrix surrounding redox concentrations and 8 percent coarse prominent yellowish brown (10YR 5/8), moist, masses of oxidized iron with clear boundaries lining pores; fragments; moderately acid, pH 5.9; gradual wavy boundary.; moist when described; observed in pit, large or quarry

Btg3—110 to 153 centimeters (43.3 to 60.2 inches); N 5/1 (N 5/1) clay loam; moderate coarse prismatic parts to moderate coarse subangular blocky structure; firm; 2.0 very fine roots throughout; 2.0 very fine tubular pores; 5 percent faint N 5/1 (N 5/1), moist, clay films on all faces of peds; 3 percent coarse faint light greenish gray (5BG 7/1), moist, iron depletions with diffuse boundaries lining pores and 5 percent coarse faint greenish gray (10Y 6/1), moist, iron depletions with diffuse boundaries in matrix surrounding redox concentrations and 30 percent coarse prominent brownish yellow (10YR 6/8), moist, masses of oxidized iron with clear boundaries on vertical faces of peds; fragments; neutral, pH 6.9; gradual wavy boundary.; very moist when described; observed in pit, large or quarry

Btkg1—153 to 188 centimeters (60.2 to 74.0 inches); N 6/1 (N 6/1) clay loam; moderate coarse prismatic parts to moderate coarse subangular blocky structure; firm; 2.0 very fine roots throughout; 2.0 very fine tubular pores; 5 percent distinct light greenish gray (10Y 7/1), moist, clay films on vertical faces of peds and 12 percent distinct N 6/1 (N 6/1), moist, clay films on vertical faces of peds; 2 percent medium prominent black (10YR 2/1), moist, iron-manganese masses with sharp boundaries on faces of peds and 5 percent coarse prominent brownish yellow (10YR 6/8), moist, masses of oxidized iron with clear boundaries on vertical faces of peds and 8 percent medium faint light greenish gray (10Y 7/1), moist, iron depletions with diffuse boundaries on vertical faces of peds; 1 percent fine white (10YR 8/1), moist, carbonate nodules; fragments; neutral, pH 7.0; gradual wavy boundary.; very moist when described; observed in pit, large or quarry

Btkg2—188 to 203 centimeters (74.0 to 79.9 inches); light greenish gray (10Y 7/1) clay loam; moderate coarse prismatic parts to moderate coarse subangular blocky structure; firm; 0.5 very fine roots throughout; 2.0 very fine tubular pores; 10 percent distinct white (10YR 8/1), moist, clay films; 3 percent coarse prominent yellow (5Y 7/6), moist, masses of oxidized iron with diffuse boundaries on vertical faces of peds and 5 percent coarse prominent black (7.5YR 2.5/1), moist, iron-manganese masses with sharp boundaries in matrix and 5 percent coarse prominent strong brown (7.5YR 5/8), moist, masses of oxidized iron with clear boundaries on vertical faces of peds; 1 percent fine white (10YR 8/1), moist, carbonate nodules; fragments; neutral, pH 7.3.; very moist when described; observed in pit, large or quarry