*** Primary Characterization Data ***

Pedon ID: 98TX039002

( Brazoria, Texas )

Print Date: Apr 25 2024 6:30AM

Sampled as on Aug 4, 1998:	SUMPF-LIKE-LOW ; Very-fine, smectitic Typic Epiaquerts
Revised to SSL:	(unnamed) ; Very-fine, smectitic, hyperthermic Typic Epiaquert

				United States Department of Agriculture
SSL	-	Project	CP98TX146   TEXAS PLEDGER	Natural Resources Conservation Service
	-	Site ID	S1998TX039002   Lat: 29° 7' 11.94" north  Long: 95° 46' 54.89" west	National Soil Survey Center
	-	Pedon No.	98P0578	Soil Survey Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska 68508-3866

---

Layer	Horizon	Orig Hzn	Depth (cm)	Field Label 1	Field Label 2	Field Label 3	Field Texture	Lab Texture
98P03435	A	A	0-19				C	C
98P03436	Bw	Bw	19-27				C	C
98P03437	Bss	Bss	27-99				C	C
98P03438	Bkss1	Bkss1	99-112				C	C
98P03439	Bkss2	Bkss2	112-127				C	SIC
98P03440	2BC1	2BC1	127-138				SICL	SICL
98P03441	2BC2	2BC2	138-170				CL	SICL
98P03442	2BC3	2BC3	170-195				SCL	L
98P03443	2BC4	2BC4	195-220				FSL	L

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.73	(NA)
Clay, carbonate free, Weighted Average	70	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	1	% wt
Volume, >2mm, Weighted Average	0	% vol
Clay, total, Weighted Average	70	% wt
LE, Whole Soil, Summed to 1m	17	cm/m
Weighted averages based on control section: 25-100 cm

*** Primary Characterization Data ***

Pedon ID: 98TX039002

( Brazoria, Texas )

Print Date: Apr 25 2024 6:30AM

Sampled As	:	SUMPF-LIKE-LOW		Very-fine, smectitic Typic Epiaquerts
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  98P0578

---

PSDA  &  Rock Fragments				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	-17-	-18-
					(- - - - - Total - - - - - -)			(- - Clay - - -)		(- - - - Silt - - - - -)		(- - - - - - - - - - - - Sand - - - - - - - - - - - -)					( Rock Fragments   (mm) )
				Lab	Clay	Silt	Sand	Fine	CO3	Fine	Coarse	VF	F	M	C	VC	(- - - - - - - - Weight - - - - - - - -)				>2 mm
				Text-	<	.002	.05	<	<	.002	.02	.05	.10	.25	.5	1	2	5	20	.1-	wt %
	Depth			ure	.002	-.05	-2	.0002	.002	-.02	-.05	-.10	-.25	-.50	-1	-2	-5	-20	-75	75	whole
Layer	(cm)	Horz	Prep		(- - - - - - - - - - - - - - - - - - - - - - - - - - % of <2mm Mineral Soil - - - - - - - - - - - - - - - - - - - - - - - - - - -)												(- - - - - - - % of <75mm - - - - - -)				soil
				3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3B1	3B1	3B1
98P03435	0-19	A	S	c	65.1	32.9	2.0	46.8		26.2	6.7	1.3	0.4	0.1	0.1	0.1	--	--	--	1	--
98P03436	19-27	Bw	S	c	62.8	35.3	1.9	43.3		27.4	7.9	1.1	0.6	0.2	tr	tr	--	--	--	1	--
98P03437	27-99	Bss	S	c	70.1	28.3	1.6	47.5		24.1	4.2	1.0	0.3	0.2	0.1	--	--	--	--	1	--
98P03438	99-112	Bkss1	S	c	60.8	34.8	4.4	24.3	3.5	29.2	5.6	1.0	0.7	0.7	0.9	1.1	tr	tr	--	3	tr
98P03439	112-127	Bkss2	S	sic	42.2	49.6	8.2	19.4	3.7	30.8	18.8	1.1	0.9	1.4	2.9	1.9	tr	tr	--	7	tr
98P03440	127-138	2BC1	S	sicl	32.1	58.0	9.9	15.5	2.1	25.9	32.1	7.8	0.6	0.6	0.4	0.5	2	4	--	8	6
98P03441	138-170	2BC2	S	sicl	28.8	54.6	16.6	14.7	1.5	21.1	33.5	13.9	1.1	0.5	0.5	0.6	tr	tr	--	3	tr
98P03442	170-195	2BC3	S	l	24.2	38.3	37.5	13.9	1.0	14.2	24.1	31.9	5.2	0.3	0.1	tr	1	1	--	7	2
98P03443	195-220	2BC4	S	l	19.7	35.4	44.9	11.7	1.0	10.5	24.9	38.6	5.8	0.2	0.1	0.2	1	1	--	8	2

---

Bulk Density  &  Moisture				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-
				(Bulk Density)		Cole	(- - - - - - - - - - - Water Content - - - - - - - - - - -)					( Air Dry-Oven Dry )		WRD	Aggst
				33	Oven	Whole	6	10	33	1500	1500 kPa	(- - - - Ratio - - - -)		Whole	Stabl	(- - Ratio/Clay - -)
	Depth			kPa	Dry	Soil	kPa	kPa	kPa	kPa	Moist		Corrected	Soil	2-0.5mm	CEC7	1500 kPa
Layer	(cm)	Horz	Prep	(- - - g cm-3 - - -)			(- - - - - - - - - - - - pct of < 2mm - - - - - - - - - - - -)							cm3 cm-3	%
				4A1d	4A1h				4B1c	3C2a1a		3D1		4C1		8D1	8D1
98P03435	0-19	A	S	1.15	1.73	0.146			39.2	42.2		1.047		--		0.80	0.65
98P03436	19-27	Bw	S	1.19	1.83	0.154			39.4	29.3		1.043		0.12		0.78	0.47
98P03437	27-99	Bss	S	1.14	1.84	0.173			45.8	30.6		1.049		0.17		0.73	0.44
98P03438	99-112	Bkss1	S	1.31	1.91	0.134			34.8	23.7		1.040		0.15		0.62	0.39
98P03439	112-127	Bkss2	S	1.43	1.99	0.116			28.6	17.1		1.026		0.16		0.59	0.41
98P03440	127-138	2BC1	S	1.53	1.78	0.050			22.2	13.8		1.021		0.12		0.63	0.43
98P03441	138-170	2BC2	S	1.49	1.67	0.039			21.8	13.9		1.020		0.12		0.68	0.48
98P03442	170-195	2BC3	S	1.53	1.76	0.047			20.9	11.0		1.017		0.15		0.68	0.45
98P03443	195-220	2BC4	S	1.45	1.55	0.022			17.3	9.3		1.014		0.11		0.71	0.47

*** Primary Characterization Data ***

Pedon ID: 98TX039002

( Brazoria, Texas )

Print Date: Apr 25 2024 6:30AM

Sampled As	:	SUMPF-LIKE-LOW		Very-fine, smectitic Typic Epiaquerts
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  98P0578

---

Water Content				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-
				(- - Atterberg - -)		(- - - - - Bulk Density - - - - -)			(- - - - - - - - - - - - - - - - - - - - - - - Water Content - - - - - - - - - - - - - - - - - - - - -)
				(- - - Limits - - -)		Field	Recon	Recon	Field	Recon	(- - - - - - - - - - - - - - Sieved Samples - - - - - - - - - - - - -)
				LL	PI		33	Oven		33	6	10	33	100	200	500
	Depth						kPa	Dry		kPa	kPa	kPa	kPa	kPa	kPa	kPa
Layer	(cm)	Horz	Prep	pct <0.4mm		(- - - - - - - - g cm-3 - - - - - - -)			(- - - - - - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - - - - - - -)
						NK			4B4						3C1e1a
98P03435	0-19	A	S			1.53			19.3						43.1
98P03436	19-27	Bw	S			1.61			19.6						38.4
98P03437	27-99	Bss	S			1.51			25.5						40.7
98P03438	99-112	Bkss1	S			1.64			19.5						24.7
98P03439	112-127	Bkss2	S			1.76			15.3						24.1
98P03440	127-138	2BC1	S			1.72			9.7						19.3
98P03441	138-170	2BC2	S			1.65			8.6						20.2
98P03442	170-195	2BC3	S			1.68			9.6						15.9
98P03443	195-220	2BC4	S			1.54			8.3						13.4

---

Carbon  &  Extractions				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	-17-	-18-	-19-
				(- - - - - Total - - - - -)			Est	OC	C/N	(- - - Dith-Cit Ext - - -)			(- - - - - - Ammonium Oxalate Extraction - - - - - -)						(- - - Na Pyro-Phosphate - - -)
	Depth			C	N	S	OC	(WB)	Ratio	Fe	Al	Mn	Al+½Fe	ODOE	Fe	Al	Si	Mn	C	Fe	Al	Mn
Layer	(cm)	Horz	Prep	(- - - - - - - - - - % of <2 mm - - - - - - - - - -)						(- - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - -)								mg kg-1	(- - - - - - % of < 2mm - - - - -)
				6A2e	6B4a					6C2h	6G7g	6D2g		8J1c	6C9b	6G12b	6V2b	6D5b
98P03435	0-19	A	S	3.60	0.303		3.6		12	1.8	0.1	tr	0.41	0.14	0.48	0.18	0.09	430.0
98P03436	19-27	Bw	S	2.16	0.154		2.2		14	1.6	0.1	tr	0.38	0.09	0.47	0.15	0.07	343.0
98P03437	27-99	Bss	S	1.84	0.126		1.8		15	1.8	0.2	tr	0.34	0.07	0.35	0.17	0.08	306.0
98P03438	99-112	Bkss1	S	2.41	0.085		0.7			1.7	0.1	tr	0.19	0.05	0.10	0.14	0.07	212.0
98P03439	112-127	Bkss2	S	3.28			--			1.3	0.1	tr	0.11	0.03	0.05	0.08	0.05	167.0
98P03440	127-138	2BC1	S	1.93			0.1			1.0	0.1	tr	0.09	0.01	0.05	0.06	0.04	173.0
98P03441	138-170	2BC2	S	1.44			0.2			0.9	0.1	tr	0.11	0.02	0.08	0.07	0.05	162.0
98P03442	170-195	2BC3	S	0.90			0.1			0.9	0.1	tr	0.09	0.01	0.08	0.05	0.03	335.0
98P03443	195-220	2BC4	S	0.69			0.1			0.8	0.1	tr	0.07	0.01	0.06	0.04	0.02	113.0

^{1,1,2,3,4,5,6,7,8} Analyzed size fraction = <2 mm

*** Primary Characterization Data ***

Pedon ID: 98TX039002

( Brazoria, Texas )

Print Date: Apr 25 2024 6:30AM

Sampled As	:	SUMPF-LIKE-LOW		Very-fine, smectitic Typic Epiaquerts
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  98P0578

---

CEC  &  Bases				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-
				(- - - - - - NH4OAC Extractable Bases - - - - -)								CEC8	CEC7	ECEC		(- - - - Base - - - -)
								Sum	Acid-	Extr	KCl	Sum	NH4	Bases	Al	(- Saturation -)
	Depth			Ca	Mg	Na	K	Bases	ity	Al	Mn	Cats	OAC	+Al	Sat	Sum	NH4OAC
Layer	(cm)	Horz	Prep	(- - - - - - - - - - - - - - - - - cmol(+) kg-1 - - - - - - - - - - - - - - - - - - -)							mg kg-1	(- - - - cmol(+) kg-1 - - -)			(- - - - - - - - % - - - - - - - -)
				6N2i	6O2h	6P2f	6Q2f		6H5a			5A3a	5A8b			5C3	5C1
98P03435	0-19	A	S	49.6*	3.8	0.4	1.6	55.4	6.8			62.2	52.3			89	100
98P03436	19-27	Bw	S	40.9	3.1	0.4	1.3	45.7	10.4			56.1	48.8			81	94
98P03437	27-99	Bss	S	51.8*	3.8	0.5	1.4	57.5	6.4			63.9	51.0			90	100
98P03438	99-112	Bkss1	S	74.2*	3.3	0.4	1.1						37.7			100	100
98P03439	112-127	Bkss2	S	62.9*	2.4	0.4	0.7						25.0			100	100
98P03440	127-138	2BC1	S	55.4*	1.8	0.4	0.6						20.3			100	100
98P03441	138-170	2BC2	S	55.0*	1.7	0.3	0.6						19.5			100	100
98P03442	170-195	2BC3	S	52.2*	1.5	0.3	0.6						16.5			100	100
98P03443	195-220	2BC4	S	46.7*	1.2	0.3	0.3						14.0			100	100

^*Extractable Ca may contain Ca from calcium carbonate or gypsum., CEC7 base saturation set to 100.

---

Salt				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	-17-	-18-	-19-	-20-
				(- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Water Extracted From Saturated Paste - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -)																	1:2
																			Total	Elec	Elec	Exch
	Depth			Ca	Mg	Na	K	CO3	HCO3	F	Cl	PO4	Br	OAC	SO4	NO2	NO3	H2O	Salts	Cond	Cond	Na	SAR
Layer	(cm)	Horz	Prep	(- - - - - mmol(+) L-1 - - - - -)				(- - - - - - - - - - - - - - - - - - - - - - mmol(-) L-1 - - - - - - - - - - - - - - - - - - - -)										(- - - - % - - - -)		(- - dS m-1 - -)		%
				6N1d	6O1d	6P1d	6Q1d	6I1b	6J1b	6U1c	6K1e				6L1e	6W1c	6M1e	8A	8D5	8A3a	4F1a1a1		5E
98P03435	0-19	A	S	11.0	1.7	0.7	0.5	--	8.7	--	0.4				1.0	tr	tr	93.7	0.1	1.11	0.53	1	tr
98P03436	19-27	Bw	S																		0.06	1
98P03437	27-99	Bss	S	5.4	0.8	0.6	0.2	--	4.5	tr	0.4				0.7	--	tr	102.4	tr	0.62	0.36	1	tr
98P03438	99-112	Bkss1	S																		0.22	1
98P03439	112-127	Bkss2	S																		0.17	2
98P03440	127-138	2BC1	S																		0.14	2
98P03441	138-170	2BC2	S																		0.16	2
98P03442	170-195	2BC3	S																		0.13	2
98P03443	195-220	2BC4	S																		0.10	2

*** Primary Characterization Data ***

Pedon ID: 98TX039002

( Brazoria, Texas )

Print Date: Apr 25 2024 6:30AM

Sampled As	:	SUMPF-LIKE-LOW		Very-fine, smectitic Typic Epiaquerts
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  98P0578

---

pH  &  Carbonates				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-
				(- - - - - - - - - - - - - - - - - - pH - - - - - - - - - - - - - - - - -)						(- - Carbonate - -)		(- - Gypsum - - -)
					CaCl2					As CaCO3		As CaSO4*2H2O		Resist
	Depth				0.01M	H2O	Sat			<2mm	<20mm	<2mm	<20mm	ohms
Layer	(cm)	Horz	Prep	KCl	1:2	1:1	Paste	Oxid	NaF	(- - - - - - - - - - - - % - - - - - - - - - - -)				cm-1
					4C1a2a	4C1a2a	8C1b			4E1a1a1a1		4E2a1a1a1
98P03435	0-19	A	S		6.7	6.8	6.5					--
98P03436	19-27	Bw	S		5.6	5.9
98P03437	27-99	Bss	S		6.8	6.9	6.8
98P03438	99-112	Bkss1	S		7.5	7.7				14
98P03439	112-127	Bkss2	S		7.6	7.9				32
98P03440	127-138	2BC1	S		7.6	7.9				15
98P03441	138-170	2BC2	S		7.6	8.0				10
98P03442	170-195	2BC3	S		7.5	8.0				7
98P03443	195-220	2BC4	S		7.6	8.0				5

---

Phosphorus

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

(- - - - - - - - - - - - - - - - - - - - - - - Phosphorus - - - - - - - - - - - - - - - - - - - - -)

KCl

Melanic

NZ

Acid

Anion Exch Resin

Bray

Bray

Olsen

H2O

Citric

Mehlich

Extr

Depth

Index

Oxal

Available

Capacity

1

2

Acid

III

NO3

Layer

(cm)

Horz

Prep

%

(- - - - - - - - - - - - - - - - - - - - - - - - - - - mg kg-1 - - - - - - - - - - - - - - - - - - - -)

6S8a

98P03435

0-19

A

S

220.0

98P03436

19-27

Bw

S

166.0

98P03437

27-99

Bss

S

126.0

98P03438

99-112

Bkss1

S

275.0

98P03439

112-127

Bkss2

S

199.0

98P03440

127-138

2BC1

S

204.0

98P03441

138-170

2BC2

S

243.0

98P03442

170-195

2BC3

S

243.0

98P03443

195-220

2BC4

S

256.0

*** Primary Characterization Data ***

Pedon ID: 98TX039002

( Brazoria, Texas )

Print Date: Apr 25 2024 6:30AM

Sampled As	:	SUMPF-LIKE-LOW		Very-fine, smectitic Typic Epiaquerts
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  98P0578

---

Clay Mineralogy (<.002 mm)

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

-15-

-16-

-17-

-18-

X-Ray

Thermal

Elemental

EGME

Inter

SiO2

Al2O3

Fe2O3

MgO

CaO

K2O

Na2O

Retn

preta

Depth

Fract

7A2i

&nbsp;

&nbsp;

&nbsp;

&nbsp;

tion

Layer

(cm)

Horz

ion

( - - - - - - - - - peak size - - - - - - - - - - )

(- - - - - - - - - % - - - - - - - - - -)

(- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -)

mg g-1

98P03437

27.0-99.0

Bss

tcly

MT 3

MI 2

KK 2

QZ 2

VR 1

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

98P03439

112.0-127.0

Bkss2

tcly

MT 3

MI 3

KK 3

CA 2

VR 2

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

QZ 2

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

98P03440

127.0-138.0

2BC1

tcly

MT 3

MI 3

KK 2

CA 2

QZ 1

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

98P03442

170.0-195.0

2BC3

tcly

MT 3

MI 3

KK 2

QZ 2

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

98P03443

195.0-220.0

2BC4

tcly

MT 3

MI 3

KK 3

QZ 1

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm	&nbsp;	&nbsp;	&nbsp;	&nbsp;

MINERAL INTERPRETATION:
CA Calcite	KK Kaolinite	MI Mica	MT Montmorillonite	QZ Quartz
VR Vermiculite	 	 	 	 

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks

*** Primary Characterization Data ***

Pedon ID: 98TX039002

( Brazoria, Texas )

Print Date: Apr 25 2024 6:30AM

Sampled As	:	SUMPF-LIKE-LOW		Very-fine, smectitic Typic Epiaquerts
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  98P0578

---

Sand - Silt Mineralogy (2.0-0.002 mm)

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

-15-

-16-

-17-

-18-

X-Ray

Thermal

Optical

EGME

Inter

Tot Re

Grain Count

Retn

preta

Depth

Fract

 

 

 

7B1a2

 

tion

Layer

(cm)

Horz

ion

( - - - - - - - - peak size - - - - - - - - - )

(- - - - - - - - % - - - - - - - - - -)

(- - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - -)

mg g-1

98P03442

170.0-195.0

2BC3

vfs

 

 

 

 

 

 

 

 

 

66

QZ 64

FK 17

CA 7

FP 4

BT 3

MS 2

 

 

 

 

 

 

 

 

 

 

 

HN 1

OP 1

FE 1

GS tr

GC tr

TM tr

 

 

 

 

 

 

 

 

 

 

GN tr

PR tr

 

 

 

 

 

98P03443

195.0-220.0

2BC4

vfs

 

 

 

 

 

 

 

 

 

65

QZ 62

FK 20

CA 9

BT 4

MS 2

FP 2

 

 

 

 

 

 

 

 

 

 

 

CD 1

OP 1

FE 1

HN tr

TM tr

PR tr

 

 

 

 

 

 

 

 

 

 

ZR tr

GN tr

FF tr

 

 

 

 

FRACTION INTERPRETATION:
vfs - Very Fine Sand 0.05-0.1 mm	 	 	 	 

MINERAL INTERPRETATION:
BT Biotite	CA Calcite	CD Chert (Chalcedony	FE Iron Oxides (Goethite	FF Foraminifera
FK Potassium Feldspar	FP Plagioclase Feldspar	GC Glass Coated Grain	GN Garnet	GS Glass
HN Hornblende	MS Muscovite	OP Opaques	PR Pyroxene	QZ Quartz
TM Tourmaline	ZR Zircon