IDENTIFIERS

Current Taxon Name (Soil Name): Guyton

OSD

Series Extent

User Site ID: S2018LA011001

User Pedon ID: S2018LA011001

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - KSSL

Lab Pedon # - 19N0092

User Project ID: 9-ROS-SPEC-2019-1

Project Name: MLRA 150A - KSSL Sampling for Fall 2018

Print Date: 12/9/2025

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: 30.4110000

Std. Longitude: -93.1745806

Datum: WGS84

Map Unit: GYA—Guyton-Ouachita complex, 0 to 1 percent slopes, frequently flooded

State: Louisiana

County: LA011—Beauregard

MLRA: 152B—Western Gulf Coast Flatwoods

Non-MLRA Soil Survey Area: LA011—Beauregard Parish, Louisiana

PEDON

Describers Name: Hall, Kloesel, Langston, Mounton, Waltman, Wiedenfeld

Current Taxonomic Class: Fine-silty, siliceous, active, thermic Typic Endoaquepts

Current Taxon Kind: taxadjunct

Pedon Type: taxadjunct to the series

Pedon Purpose: laboratory sampling site

Pedon Record Orgin: NASIS

Sampled As Information:

Soil Name - Guyton

Taxonomic Class - Fine-silty, siliceous, active, thermic Typic Endoaquepts

Taxon Kind - taxadjunct

PSC - 25 to 100 cm.

Classificaton Date - 5/4/2018

Soil Taxonomic Edition - twelfth edition

Moisture Class - aquic

Moisture SUBClass - typic

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: fine-silty alluvium

Landscape: coastal plain

Landform: flood plain

Geomorphic Component Flats: talf

Slope Complexity: simple

Slope Shape Across: concave

Slope Shape Down: linear

Drainage Class: poorly

Flooding: none flooding

Ponding: none ponding

Geology: Alluvium formation.

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 9/10/2018 (actual site observation date)

Surface Cover Properties:

Site Obs. Cover Kind 1 - tree cover

Site Obs. Cover Kind 2 - intermixed conifers and hardwoods

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

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 Bt/E Btg1 Btg2 Btg3	16 28 61 112 140 185	28 61 112 140 185 203	— — — — — —	— — — — — —	16.5 14.2 26.6 29.8 29.8 26.7	— — — — — —	80.4 73.8 66.3 62.2 62.4 64.3	68.8 71.1 54.6 46.6 50.8 58.7	11.6 2.7 11.7 15.6 11.6 5.6	3.1 12 7.1 8 7.8 9	sieves sieves sieves sieves sieves sieves	0 0 0 0 0 0	0 0 0.2 0.2 0.2 0.2	0.2 0.2 0 0.2 0 0.2	0.8 2.4 1.6 1.2 1.4 1.2	2.1 9.4 5.3 6.4 6.2 7.4	270 mesh sieve 270 mesh sieve 270 mesh sieve 270 mesh sieve 270 mesh sieve 270 mesh sieve	sil sil sil sicl sicl sil	— — — — — —	— — — — — —	3.5 3.7 3.8 4 4 3.9

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 Bt/E Btg1 Btg2 Btg3	16 28 61 112 140 185	28 61 112 140 185 203	— — — — — —	— — — — — —	— — — — — —	— — — — — —	— — — — — —	— — — — — —	— — — — — —		— — — — — —	0.03 0 0.03 0.04 0.04 0.03	— — — — — —	2 11.5 11.7 — — —	— — — — — —	— — — — 4 8	2.8 5.8 6.5 — — —	40 24 25 — — —	7.9 23.9 20.8 — — —	— — — — — —

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 Bt/E Btg1 Btg2 Btg3	16 28 61 112 140 185	28 61 112 140 185 203	— — — — — —	6 11.5 11.7 — — —	— — — — — —	— — — — — —	0.1 0.1 0.1 0.4 0.9 1.3	ec meter, saturated paste ec meter, saturated paste ec meter, saturated paste ec meter, saturated paste ec meter, saturated paste ec meter, saturated paste	— — — — — —	— — — — — —	— — — — — —	— — — — 6 6.4	— — — — 4 8	— — — — — —	— — — — — —	— — — — — —	— — — — — —	— — — — — —	— — — — — —	— — — — — —	— — — — — —	— — — — — —

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
ochric epipedon aquic conditions	0—44 44—203	—- —-

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
0.2	—	—	7.9	—		—	—	—	—	—	—	—	—	—	—	—	—	—	—

A1—0 to 19 centimeters (0.0 to 7.5 inches); brown (10YR 5/3), pale brown (10YR 6/3), dry; silt loam; moderate medium subangular blocky structure; firm; many (15.0) very fine roots and common (2.0) fine roots; many (20.0) fine tubular pores; 2 percent medium and coarse distinct dark yellowish brown (10YR 4/4), moist, masses of oxidized iron with clear boundaries lining pores; fragments; gradual smooth boundary. Lab sample # 19N00503; moist when described;

A2—19 to 44 centimeters (7.5 to 17.3 inches); light gray (10YR 7/1) silt loam; moderate medium subangular blocky structure; firm; common (2.0) fine roots; common (3.0) very fine tubular and common (1.0) fine tubular pores; 5 percent sand coats; fragments; clear smooth boundary. Lab sample # 19N00504; moist when described;

Bt/E—44 to 70 centimeters (17.3 to 27.6 inches); light gray (2.5Y 7/1) silt loam; moderate medium subangular blocky structure; firm; common (2.0) very fine roots and common (1.0) fine roots; common (3.0) very fine tubular and common (1.0) fine tubular pores; 5 percent light gray (10YR 7/1), moist, sand coats; 5 percent fine prominent yellowish red (5YR 5/8), moist, masses of oxidized iron with sharp boundaries lining pores; fragments; gradual smooth boundary. Lab sample # 19N00505; moist when described;

Btg1—70 to 108 centimeters (27.6 to 42.5 inches); grayish brown (10YR 5/2) silty clay loam; moderate coarse subangular blocky structure; firm; common (2.0) very fine roots; many (6.0) very fine tubular and common (2.0) fine tubular pores; 5 percent light gray (10YR 7/1), moist, sand coats; 5 percent fine prominent yellowish red (5YR 5/8), moist, masses of oxidized iron with sharp boundaries lining pores and 15 percent fine prominent yellowish brown (10YR 5/6), moist, masses of oxidized iron with sharp boundaries throughout; fragments; gradual smooth boundary. Lab sample # 19N00506; moist when described;

Btg2—108 to 157 centimeters (42.5 to 61.8 inches); light brownish gray (10YR 6/2) silty clay; moderate coarse subangular blocky structure; firm; common (2.0) very fine roots; many (10.0) very fine tubular and few (2.0) fine tubular pores; 3 percent light gray (10YR 7/1), moist, sand coats; 3 percent medium prominent red (2.5YR 4/8), moist, masses of oxidized iron with sharp boundaries in matrix and 25 percent medium prominent red (2.5YR 5/6), moist, masses of oxidized iron with sharp boundaries in matrix; fragments; gradual smooth boundary. Lab sample # 19N00507; moist when described;

Btg3—157 to 203 centimeters (61.8 to 79.9 inches); gray (2.5Y 6/1) silty clay; moderate coarse subangular blocky structure; firm; few very fine roots; common (5.0) fine tubular pores; 25 percent light gray (2.5Y 7/1), moist, sand coats; 2 percent fine prominent light olive brown (2.5Y 5/6), moist, masses of oxidized iron with diffuse boundaries lining pores and 3 percent coarse faint black (10YR 2/1), moist, manganese masses with sharp boundaries in matrix; 3 percent fine threadlike white (10YR 9.5/1) salt masses; fragments. Lab sample # 19N00508; moist when described;