*** Primary Characterization Data ***

Pedon ID: 86TX225006

( Houston, Texas )

Print Date: Feb 16 2025 6:06AM

Sampled as on Oct 1, 1986:	Chireno ; Fine, montmorillonitic, thermic Aquic Argiudoll
Revised to correlated:	Chireno ; Fine, smectitic, thermic Aquic Argiudolls

				United States Department of Agriculture
SSL	-	Project	CP87TX028   REDLANDS-1986	Natural Resources Conservation Service
	-	Site ID	S1986TX225006   Lat: 31° 29' 23.00" north  Long: 95° 24' 22.99" west  MLRA: 133B	National Soil Survey Center
	-	Pedon No.	87P0085	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
87P00510	A	A	0-30				CL	L
87P00511	Bw1	Bw1	30-50				CL	CL
87P00512	Bw2	Bw2	50-64				C	C
87P00513	Bw3	Bw3	64-105				C	CL
87P00514	Bw4	Bw4	105-153				CL	CL
87P00515	Bw5	Bw5	153-190				CL	SCL
87P00516	Bw6	Bw6	210-255				CL	SCL
87P00517	Bw7	Bw7	255-285				CL	SCL
87P00518	2C	2C	285-315				FSL	VFSL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.65	(NA)
Clay, carbonate free, Weighted Average	37	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	21	% wt
Volume, >2mm, Weighted Average	1	% vol
Clay, total, Weighted Average	37	% wt
LE, Whole Soil, Summed to 1m	0	cm/m
Weighted averages based on control section: 30-80 cm

*** Primary Characterization Data ***

Pedon ID: 86TX225006

( Houston, Texas )

Print Date: Feb 16 2025 6:06AM

Sampled As	:	Chireno		Fine, montmorillonitic, thermic Aquic Argiudoll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  87P0085

---

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	3B1	3B1	3B1
87P00510	0-30	A	S	l	21.2	36.0	42.8	13.8		17.7	18.3	15.0	23.2	2.7	0.9	1.0	1	tr	--	29	1
87P00511	30-50	Bw1	S	cl	30.8	36.9	32.3	20.1		20.1	16.8	11.2	14.6	2.7	2.0	1.8	tr	tr	--	21	tr
87P00512	50-64	Bw2	S	c	44.4	28.9	26.7	29.4		16.9	12.0	9.6	12.8	2.3	1.0	1.0	2	1	--	20	3
87P00513	64-105	Bw3	S	cl	39.3	27.5	33.2	25.3		15.7	11.8	11.4	17.0	2.6	1.0	1.2	2	tr	--	23	2
87P00514	105-153	Bw4	S	cl	35.0	23.4	41.6	22.7		13.2	10.2	17.8	18.5	3.1	1.1	1.1	2	1	--	26	3
87P00515	153-190	Bw5	S	scl	27.7	23.5	48.8	19.2		12.8	10.7	18.7	26.4	3.2	0.3	0.2	2	1	--	32	3
87P00516	210-255	Bw6	S	scl	30.5	18.6	50.9	21.2		9.3	9.3	15.6	28.8	4.8	0.8	0.9	2	--	--	37	2
87P00517	255-285	Bw7	S	scl	28.5	18.9	52.6	16.9		9.2	9.7	17.7	21.9	8.0	2.7	2.3	5	7	--	43	12
87P00518	285-315	2C	S	vfsl	10.9	16.4	72.7	7.0		3.7	12.7	69.4	2.4	0.5	0.2	0.2	tr	--	--	3	tr

---

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
87P00510	0-30	A	S	1.51	1.61	0.021			21.1	10.5		1.015		0.16		0.85	0.50
87P00511	30-50	Bw1	S	1.45	1.76	0.067			26.4	14.8		1.021		0.17		0.69	0.48
87P00512	50-64	Bw2	S	1.45	1.78	0.069			29.0	19.4		1.030		0.14		0.65	0.44
87P00513	64-105	Bw3	S	1.48	1.80	0.066			27.2	17.4		1.027		0.14		0.60	0.44
87P00514	105-153	Bw4	S	1.61	1.79	0.035			21.2	14.9		1.022		0.10		0.54	0.43
87P00515	153-190	Bw5	S	1.60	1.79	0.038			21.0	12.3		1.015		0.14		0.49	0.44
87P00516	210-255	Bw6	S							14.2		1.019				0.50	0.47
87P00517	255-285	Bw7	S							15.7		1.023				0.65	0.55
87P00518	285-315	2C	S							5.1		1.006				0.61	0.47

*** Primary Characterization Data ***

Pedon ID: 86TX225006

( Houston, Texas )

Print Date: Feb 16 2025 6:06AM

Sampled As	:	Chireno		Fine, montmorillonitic, thermic Aquic Argiudoll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  87P0085

---

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
87P00510	0-30	A	S		0.124			1.73	14	3.6	0.3	0.1
87P00511	30-50	Bw1	S		0.073			0.91	13	5.2	0.4	0.1
87P00512	50-64	Bw2	S		0.067			0.74	11	7.4	0.6	0.1
87P00513	64-105	Bw3	S		0.044			0.55	13	7.0	0.6	0.1
87P00514	105-153	Bw4	S					0.36		5.4	0.5	0.1
87P00515	153-190	Bw5	S					0.18		3.5	0.3	tr
87P00516	210-255	Bw6	S					0.11		5.4	0.5	tr
87P00517	255-285	Bw7	S					0.13		7.6	0.6	0.1
87P00518	285-315	2C	S					0.08		1.3	0.1	tr

---

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			5A3a	5A8b			5C3	5C1
87P00510	0-30	A	S	10.8	5.1	0.1	0.2	16.2	5.9			22.1	18.1			73	90
87P00511	30-50	Bw1	S	14.4*	6.7	0.1	0.3	21.5	5.9			27.4	21.4			78	100
87P00512	50-64	Bw2	S	15.8	10.9	0.2	0.4	27.3	7.4			34.7	28.9			79	94
87P00513	64-105	Bw3	S	15.6*	8.6	0.1	0.4	24.7	5.3			30.0	23.7			82	100
87P00514	105-153	Bw4	S	11.1*	7.6	0.1	0.3	19.1	3.8			22.9	19.0			83	100
87P00515	153-190	Bw5	S	8.0*	5.6	0.1	0.2	13.9	2.6			16.5	13.6			84	100
87P00516	210-255	Bw6	S	8.3	6.4	0.1	0.2	15.0	3.1			18.1	15.4			83	97
87P00517	255-285	Bw7	S	11.6*	7.3	0.1	0.2	19.2	4.1			23.3	18.4			82	100
87P00518	285-315	2C	S	3.8*	2.7	--	0.1	6.6	1.1			7.7	6.6			86	100

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

*** Primary Characterization Data ***

Pedon ID: 86TX225006

( Houston, Texas )

Print Date: Feb 16 2025 6:06AM

Sampled As	:	Chireno		Fine, montmorillonitic, thermic Aquic Argiudoll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  87P0085

---

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 - -)

%

87P00510

0-30

A

S

1

87P00511

30-50

Bw1

S

tr

87P00512

50-64

Bw2

S

1

87P00513

64-105

Bw3

S

tr

87P00514

105-153

Bw4

S

1

87P00515

153-190

Bw5

S

1

87P00516

210-255

Bw6

S

1

87P00517

255-285

Bw7

S

1

87P00518

285-315

2C

S

--

---

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
87P00510	0-30	A	S	5.8	5.6	6.1
87P00511	30-50	Bw1	S	5.2	6.0	6.6
87P00512	50-64	Bw2	S	5.3	6.2	6.8
87P00513	64-105	Bw3	S	5.5	6.3	6.9
87P00514	105-153	Bw4	S	5.7	6.4	6.9
87P00515	153-190	Bw5	S	5.7	6.4	6.9
87P00516	210-255	Bw6	S	5.7	6.4	6.9
87P00517	255-285	Bw7	S	5.6	6.4	7.0
87P00518	285-315	2C	S	5.7	6.4	7.0

*** Primary Characterization Data ***

Pedon ID: 86TX225006

( Houston, Texas )

Print Date: Feb 16 2025 6:06AM

Sampled As	:	Chireno		Fine, montmorillonitic, thermic Aquic Argiudoll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  87P0085

---

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

7A4a

7C3

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

87P00512

50.0-64.0

Bw2

tcly

KK 3

MT 2

MM 2

MI 2

GE 2

KK 13

GI 3

18.6

0.9

87P00514

105.0-153.0

Bw4

tcly

KK 3

MT 2

MM 2

MI 2

GE 2

KK 10

GI 2

18.6

1.0

HE 1

87P00517

255.0-285.0

Bw7

tcly

KK 3

MT 3

GE 2

MM 2

MI 2

KK 16

GI 3

18.6

1.0

HE 1

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
GE Goethite	GI Gibbsite	HE Hematite	KK Kaolinite	MI Mica
MM Montmorillonite-Mica	MT Montmorillonite

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks

*** Primary Characterization Data ***

Pedon ID: 86TX225006

( Houston, Texas )

Print Date: Feb 16 2025 6:06AM

Sampled As	:	Chireno		Fine, montmorillonitic, thermic Aquic Argiudoll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  87P0085

---

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

87P00512

50.0-64.0

Bw2

vfs

94

QZ 83

FE 10

FK 5

TM 1

MS 1

ZR tr

PO tr

KY tr

87P00518

285.0-315.0

2C

vfs

92

QZ 89

FK 6

FE 3

MS 2

TM tr

ZR tr

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

MINERAL INTERPRETATION:
FE Iron Oxides (Goethite	FK Potassium Feldspar	KY Kyanite	MS Muscovite	PO Plant Opal
QZ Quartz	TM Tourmaline	ZR Zircon