*** Primary Characterization Data ***

Pedon ID: 82TX289026

( Leon, Texas )

Print Date: Apr 24 2024 11:07AM

Sampled as on Apr 1, 1982:	Robco ; Clayey, mixed, thermic Aquic Arenic Paleustalf
Revised to correlated:	Robco ; Fine-loamy, siliceous, semiactive, thermic Aquultic Haplustalfs

				United States Department of Agriculture
SSL	-	Project	CP82TX206   LEON COUNTY - LIGNITE STUDY	Natural Resources Conservation Service
	-	Site ID	S1982TX289026   Lat: 31° 23' 15.00" north  Long: 96° 7' 15.00" west  MLRA: 87A	National Soil Survey Center
	-	Pedon No.	82P0613	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
82P03199	Ap	Ap	0-10				LFS	LFS
82P03200	A	A	10-25				LFS	LFS
82P03201	E1	E1	25-45				LFS	FSL
82P03202	E2	E2	45-63				LFS	FSL
82P03203	B/E	B/E	63-72				SCL	FSL
82P03204	Bt1	Bt1	72-100				C	SCL
82P03205	Bt2	Bt2	100-137				C	SCL
82P03206	B'/E'	B/E	137-158				SCL	FSL
82P03207	BC	BC	158-200				SCL	FSL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.4	(NA)
Clay, carbonate free, Weighted Average	30	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	27	% wt
Volume, >2mm, Weighted Average	0	% vol
Clay, total, Weighted Average	30	% wt
Weighted averages based on control section: 72-112 cm

*** Primary Characterization Data ***

Pedon ID: 82TX289026

( Leon, Texas )

Print Date: Apr 24 2024 11:07AM

Sampled As	:	Robco		Clayey, mixed, thermic Aquic Arenic Paleustalf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  82P0613

---

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	3B1	3B1	3B1
82P03199	0-10	Ap	S	lfs	2.5	17.4	80.1			3.7	13.7	38.1	40.2	1.6	0.2	--	--	--	--	42	--
82P03200	10-25	A	S	lfs	3.3	22.8	73.9			7.3	15.5	34.9	37.7	1.3	--	--	tr	--	--	39	--
82P03201	25-45	E1	S	fsl	2.9	24.6	72.5			8.6	16.0	34.5	36.4	1.6	--	--	--	--	--	38	--
82P03202	45-63	E2	S	fsl	3.3	26.9	69.8			10.2	16.7	33.7	34.5	1.6	--	--	--	--	--	36	--
82P03203	63-72	B/E	S	fsl	15.6	26.1	58.3			11.5	14.6	27.8	29.1	1.4	--	--	--	--	--	31	--
82P03204	72-100	Bt1	S	scl	32.8	21.5	45.7			8.3	13.2	20.7	23.8	1.2	--	--	tr	tr	--	25	--
82P03205	100-137	Bt2	S	scl	22.2	24.1	53.7			9.9	14.2	21.3	30.3	2.1	--	--	tr	--	--	32	--
82P03206	137-158	B'/E'	S	fsl	9.0	21.0	70.0			8.2	12.8	23.9	42.6	3.5	--	--	--	--	--	46	--
82P03207	158-200	BC	S	fsl	9.8	17.9	72.3			5.7	12.2	22.5	46.4	3.4	--	--	--	--	--	50	--

---

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
82P03199	0-10	Ap	S							2.0		1.003				0.72	0.80
82P03200	10-25	A	S	1.60	1.60	--			5.4	1.2		1.003		0.07		0.36	0.36
82P03201	25-45	E1	S	1.56	1.56	--			5.7	1.1		1.002		0.07		0.28	0.38
82P03202	45-63	E2	S	1.62	1.62	--			4.8	1.0		1.002		0.06		0.18	0.30
82P03203	63-72	B/E	S							6.1		1.009				0.33	0.39
82P03204	72-100	Bt1	S	1.72	1.94	0.041			18.3	12.3		1.024		0.10		0.40	0.38
82P03205	100-137	Bt2	S	1.76	1.96	0.037			15.1	9.9		1.014		0.09		0.41	0.45
82P03206	137-158	B'/E'	S	1.78	1.84	0.011			13.4	4.3		1.007		0.16		0.46	0.48
82P03207	158-200	BC	S	1.77	1.84	0.013			10.6	5.0		1.007		0.10		0.46	0.51

*** Primary Characterization Data ***

Pedon ID: 82TX289026

( Leon, Texas )

Print Date: Apr 24 2024 11:07AM

Sampled As	:	Robco		Clayey, mixed, thermic Aquic Arenic Paleustalf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  82P0613

---

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 - - - - -)
					6B3a			6A1c		6C2b	6G7a	6D2a
82P03199	0-10	Ap	S		0.053			0.64	12	0.1	tr	--
82P03200	10-25	A	S		0.022			0.26	12	0.2	tr	--
82P03201	25-45	E1	S		0.017			0.18	11	0.2	tr	--
82P03202	45-63	E2	S		0.008			0.13	16	0.1	tr	--
82P03203	63-72	B/E	S		0.022			0.21	10	0.6	0.1	--
82P03204	72-100	Bt1	S		0.035			0.23	7	0.4	0.1	--
82P03205	100-137	Bt2	S					0.08		0.4	0.1	--
82P03206	137-158	B'/E'	S					0.05		0.1	tr	--
82P03207	158-200	BC	S					0.06		0.2	0.1	--

---

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 - - -)			(- - - - - - - - % - - - - - - - -)
				6N2e	6O2d	6P2b	6Q2b		6H5a	6G9a		5A3a	5A8b	5A3b	5G1	5C3	5C1
82P03199	0-10	Ap	S	0.2	0.1	--	0.1	0.4	3.6	0.5		4.0	1.8	0.9	56	10	22
82P03200	10-25	A	S	0.3	0.1	tr	0.1	0.5	2.6	0.6		3.1	1.2	1.1	55	16	42
82P03201	25-45	E1	S	0.5	0.1	tr	0.1	0.7	1.6	0.3		2.3	0.8	1.0	30	30	88
82P03202	45-63	E2	S	0.5*	0.1	tr	tr	0.6	1.2	0.1		1.8	0.6	0.7	14	33	100
82P03203	63-72	B/E	S	1.7	1.0	0.3	0.1	3.1	4.6	1.2		7.7	5.1	4.3	28	40	61
82P03204	72-100	Bt1	S	3.2	3.7	1.0	0.2	8.1	8.9	3.1		17.0	13.2	11.2	28	48	61
82P03205	100-137	Bt2	S	2.3	4.0	1.8	0.2	8.3	3.5	0.3		11.8	9.1	8.6	3	70	91
82P03206	137-158	B'/E'	S	1.1*	1.9	1.1	0.1	4.2	1.6			5.8	4.1			72	100
82P03207	158-200	BC	S	1.3*	1.9	1.4	0.1	4.7	0.9			5.6	4.5			84	100

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

*** Primary Characterization Data ***

Pedon ID: 82TX289026

( Leon, Texas )

Print Date: Apr 24 2024 11:07AM

Sampled As	:	Robco		Clayey, mixed, thermic Aquic Arenic Paleustalf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  82P0613

---

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 - -)

%

82P03199

0-10

Ap

S

--

82P03200

10-25

A

S

--

82P03201

25-45

E1

S

--

82P03202

45-63

E2

S

--

82P03203

63-72

B/E

S

6

82P03204

72-100

Bt1

S

8

82P03205

100-137

Bt2

S

20

82P03206

137-158

B'/E'

S

27

82P03207

158-200

BC

S

31

---

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
				4C1a2a3	4C1a2a	4C1a2a
82P03199	0-10	Ap	S	3.5	3.7	4.0
82P03200	10-25	A	S	3.8	4.1	4.2
82P03201	25-45	E1	S	4.0	4.4	4.7
82P03202	45-63	E2	S	4.1	4.7	5.0
82P03203	63-72	B/E	S	3.6	4.5	4.8
82P03204	72-100	Bt1	S	3.4	4.4	4.9
82P03205	100-137	Bt2	S	3.6	4.4	5.0
82P03206	137-158	B'/E'	S	4.0	5.1	5.6
82P03207	158-200	BC	S	4.5	5.8	6.3

*** Primary Characterization Data ***

Pedon ID: 82TX289026

( Leon, Texas )

Print Date: Apr 24 2024 11:07AM

Sampled As	:	Robco		Clayey, mixed, thermic Aquic Arenic Paleustalf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  82P0613

---

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

7A3b

&nbsp;

7C3

&nbsp;

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

82P03204

72.0-100.0

Bt1

tcly

MT 3

KK 3

MI 2

QZ 1

&nbsp;

KK 14

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

6.3

&nbsp;

&nbsp;

1.2

&nbsp;

&nbsp;

&nbsp;

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

MINERAL INTERPRETATION:
KK Kaolinite	MI Mica	MT Montmorillonite	QZ Quartz	 

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks

*** Primary Characterization Data ***

Pedon ID: 82TX289026

( Leon, Texas )

Print Date: Apr 24 2024 11:07AM

Sampled As	:	Robco		Clayey, mixed, thermic Aquic Arenic Paleustalf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  82P0613

---

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

82P03201

25.0-45.0

E1

vfs

 

 

 

 

 

 

 

 

 

95

QZ 94

FK 5

OP 1

ZR tr

PO tr

RU tr

 

 

82P03204

72.0-100.0

Bt1

vfs

 

 

 

 

 

 

 

 

 

94

QZ 93

FK 5

OP 1

EP tr

HN tr

ZR tr

 

 

 

 

 

 

 

 

 

 

 

PO tr

 

 

 

 

 

 

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

MINERAL INTERPRETATION:
EP Epidote	FK Potassium Feldspar	HN Hornblende	OP Opaques	PO Plant Opal
QZ Quartz	RU Rutile	ZR Zircon