*** Primary Characterization Data ***

Pedon ID: 78TX027001

( Bell, Texas )

Print Date: Dec 8 2025 4:35AM

Sampled as on Jul 1, 1978:	Payne ; Fine, montmorillonitic, thermic Udic Paleustalf
Revised to correlated:	Payne ; Fine, smectitic, thermic Udertic Paleustalfs

				United States Department of Agriculture
SSL	-	Project	CP78TX179   BELL COUNTY	Natural Resources Conservation Service
	-	Site ID	S1978TX027001   Lat: 30° 57' 7.00" north  Long: 97° 21' 2.00" west  MLRA: 86	National Soil Survey Center
	-	Pedon No.	78P0470	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
78P02632	Ap	Ap	0-15				L	L
78P02633	Bt11	B21t	15-36				C	CL
78P02634	Bt12	B21t	36-56				C	C
78P02635	Bt13	B21t	56-79				C	C
78P02636	Bt2	B22t	79-104				C	C
78P02637	Btk11	B23tca	104-127				CL	C
78P02638	Btk12	B23tca	127-142				CL	C
78P02639	Btk21	B31tca	142-168				CL	CL
78P02640	Btk22	B31tca	168-244				CL	CL
78P02641	Btk31	B32tca	244-320				L	CL
78P02642	Bk32	B33ca	320-394				L	L
78P02643	Bk4	C1ca	394-488				SIL	SICL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.63	(NA)
Clay, carbonate free, Weighted Average	40	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	20	% wt
Volume, >2mm, Weighted Average	0	% vol
Clay, total, Weighted Average	40	% wt
Weighted averages based on control section: 15-65 cm

*** Primary Characterization Data ***

Pedon ID: 78TX027001

( Bell, Texas )

Print Date: Dec 8 2025 4:35AM

Sampled As	:	Payne		Fine, montmorillonitic, thermic Udic Paleustalf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  78P0470

---

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
78P02632	0-15	Ap	S	l	18.5	34.3	47.2			12.7	21.6	15.0	25.9	5.2	1.0	0.1	tr	tr	--	32	--
78P02633	15-36	Bt11	S	cl	36.3	32.8	30.9			16.3	16.5	10.3	16.1	3.7	0.7	0.1	--	--	--	21	--
78P02634	36-56	Bt12	S	c	42.4	30.4	27.2			13.4	17.0	8.4	14.9	3.1	0.6	0.2	tr	--	--	19	tr
78P02635	56-79	Bt13	S	c	41.4	31.7	26.9			16.7	15.0	8.6	14.2	3.2	0.7	0.2	tr	tr	--	18	tr
78P02636	79-104	Bt2	S	c	40.6	32.2	27.2			16.7	15.5	8.7	14.3	3.0	0.6	0.6	tr	tr	--	19	tr
78P02637	104-127	Btk11	S	c	41.0	33.5	25.5		4.0	17.1	16.4	9.0	12.2	2.8	0.8	0.7	--	--	--	17	--
78P02638	127-142	Btk12	S	c	40.6	34.5	24.9		4.0	17.0	17.5	9.3	11.4	2.3	0.9	1.0	3	7	--	24	10
78P02639	142-168	Btk21	S	cl	35.5	39.0	25.5		4.0	20.2	18.8	10.5	10.6	2.3	1.0	1.1	2	19	1	34	22
78P02640	168-244	Btk22	S	cl	33.4	43.5	23.1		4.0	22.7	20.8	11.2	8.8	1.7	0.6	0.8	1	19	8	37	28
78P02641	244-320	Btk31	S	cl	29.2	48.0	22.8		5.0	24.6	23.4	12.9	6.4	1.1	0.6	1.8	3	8	8	28	19
78P02642	320-394	Bk32	S	l	24.1	41.9	34.0		5.0	24.5	17.4	23.7	7.8	1.0	0.5	1.0	3	10	3	25	16
78P02643	394-488	Bk4	S	sicl	34.2	59.5	6.3		7.0	38.7	20.8	3.6	0.4	0.2	0.4	1.7	1	9	8	20	18

---

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
78P02632	0-15	Ap	S	1.61	1.72	0.022			15.7	6.8		1.012		0.14		0.59	0.37
78P02633	15-36	Bt11	S							15.8		1.028				0.62	0.44
78P02634	36-56	Bt12	S	1.41	1.80	0.085			30.8	18.6		1.034		0.17		0.63	0.44
78P02635	56-79	Bt13	S							18.2		1.034				0.65	0.44
78P02636	79-104	Bt2	S	1.44	1.79	0.075			28.9	17.2		1.033		0.17		0.63	0.42
78P02637	104-127	Btk11	S	1.43	1.77	0.074			28.9	16.7		1.031		0.17		0.57	0.41
78P02638	127-142	Btk12	S							16.8		1.029				0.55	0.41
78P02639	142-168	Btk21	S	1.45	1.73	0.052			25.7	14.9		1.024		0.14		0.52	0.42
78P02640	168-244	Btk22	S	1.33	1.63	0.057			31.3	14.7		1.022		0.18		0.52	0.44
78P02641	244-320	Btk31	S	1.33	1.53	0.042			28.1	11.9		1.018		0.19		0.47	0.41
78P02642	320-394	Bk32	S							10.6		1.016				0.51	0.44
78P02643	394-488	Bk4	S							15.9		1.022				0.49	0.46

*** Primary Characterization Data ***

Pedon ID: 78TX027001

( Bell, Texas )

Print Date: Dec 8 2025 4:35AM

Sampled As	:	Payne		Fine, montmorillonitic, thermic Udic Paleustalf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  78P0470

---

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 - - - - -)
					6B1b			6A1c		6C2b
78P02632	0-15	Ap	S		0.043			0.57	13	0.4
78P02633	15-36	Bt11	S		0.050			0.60	12	0.6
78P02634	36-56	Bt12	S		0.049			0.56	11	0.8
78P02635	56-79	Bt13	S		0.046			0.54	12	0.7
78P02636	79-104	Bt2	S					0.44		0.7
78P02637	104-127	Btk11	S					0.32		0.6
78P02638	127-142	Btk12	S					0.22		0.6
78P02639	142-168	Btk21	S					0.17		0.5
78P02640	168-244	Btk22	S					0.12		0.4
78P02641	244-320	Btk31	S					0.07		0.4
78P02642	320-394	Bk32	S					0.06		0.3
78P02643	394-488	Bk4	S					0.07		0.4

---

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		6H2b			5A3a	5A8a			5C3	5C1
78P02632	0-15	Ap	S	7.9	1.4	tr	0.3	9.6	2.6			12.2	10.9			79	88
78P02633	15-36	Bt11	S	18.8	2.8	0.1	0.6	22.3	3.5			25.8	22.5			86	99
78P02634	36-56	Bt12	S	21.3	3.1	0.1	0.6		3.7				26.5			87	95
78P02635	56-79	Bt13	S	22.8*	3.4	0.2	0.6						26.8			100	100
78P02636	79-104	Bt2	S	47.4*	3.6	0.3	0.6						25.4			100	100
78P02637	104-127	Btk11	S	58.4*	3.6	0.3	0.6						23.3			100	100
78P02638	127-142	Btk12	S	57.1*	3.3	0.4	0.7						22.5			100	100
78P02639	142-168	Btk21	S	55.7*	2.8	0.4	0.7						18.4			100	100
78P02640	168-244	Btk22	S	55.6*	2.3	0.8	0.7						17.5			100	100
78P02641	244-320	Btk31	S	54.2*	1.7	0.9	0.5						13.6			100	100
78P02642	320-394	Bk32	S	53.3*	1.4	1.1	0.5						12.4			100	100
78P02643	394-488	Bk4	S	58.1*	1.8	1.9	0.7						16.6			100	100

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

*** Primary Characterization Data ***

Pedon ID: 78TX027001

( Bell, Texas )

Print Date: Dec 8 2025 4:35AM

Sampled As	:	Payne		Fine, montmorillonitic, thermic Udic Paleustalf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  78P0470

---

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 - -)		%
				6N1b	6O1b	6P1b	6Q1b		6J1b		6K1c				6L1c		6M1c	8A	8D5	8A1a	4F1a1a1		5E
78P02632	0-15	Ap	S																		0.04	--
78P02633	15-36	Bt11	S																		0.04	tr
78P02634	36-56	Bt12	S																		0.04	tr
78P02635	56-79	Bt13	S																		0.05	1
78P02636	79-104	Bt2	S																		0.19	1
78P02637	104-127	Btk11	S																		0.18	1
78P02638	127-142	Btk12	S																		0.20	2
78P02639	142-168	Btk21	S																		0.22	2
78P02640	168-244	Btk22	S	2.9	0.3	3.8	0.1		2.3		1.3				3.3		tr	53.0	tr	0.76		3	3
78P02641	244-320	Btk31	S	6.3	0.6	6.7	0.2		1.7		7.0				4.7		0.1	49.4	tr	1.43		4	4
78P02642	320-394	Bk32	S	11.5	0.9	12.2	0.2		1.2		18.3				4.0		tr	45.8	0.1	2.54		4	5
78P02643	394-488	Bk4	S	12.3	1.0	16.5	0.2		1.1		24.0				3.3		--	59.3	0.1	3.06		6	6

---

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
					8C1e	8C1a	8C1b			6E1b				8E1
78P02632	0-15	Ap	S		5.5	6.7
78P02633	15-36	Bt11	S		6.0	6.6
78P02634	36-56	Bt12	S		6.2	7.0				--
78P02635	56-79	Bt13	S		6.4	7.1				tr
78P02636	79-104	Bt2	S		7.5	8.0				3				2100
78P02637	104-127	Btk11	S		7.7	8.2				7
78P02638	127-142	Btk12	S		7.7	8.2				12
78P02639	142-168	Btk21	S		7.7	8.5				27
78P02640	168-244	Btk22	S		7.8	8.4	7.8			33
78P02641	244-320	Btk31	S		7.8	8.2	7.8			44
78P02642	320-394	Bk32	S		7.8	8.1	7.7			46
78P02643	394-488	Bk4	S		7.8	7.8	7.7			44

*** Primary Characterization Data ***

Pedon ID: 78TX027001

( Bell, Texas )

Print Date: Dec 8 2025 4:35AM

Sampled As	:	Payne		Fine, montmorillonitic, thermic Udic Paleustalf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  78P0470

---

Miscellaneous Data

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

(- Sat Paste Ex. -)

(- Sand -)

( Water Content )

Bulk

(- - - - Extractable Bases - - - -)

(- - - CEC8 - - -)

CO3+

(- - - pH - - -)

M+C+VC

Moist Sieved

Density

Depth

Ca

Mg

Na

K

NaOAC

BaCl2

Ca+Mg

HCO3

CaCl2

H2O

.25-2

100 kPa

200 kPa

10 kPa

Layer

(cm)

Horz

Prep

(- - - - - - - - - - - - - - - cmol(+)kg-1 - - - - - - - - - - - - - -)

mmol(+)L-1

mmol(-)L-1

1:10

1:10

(- - - - - % of <2mm - - - - -)

g cm-3

NK

78P02632

0-15

Ap

S

6.7

78P02633

15-36

Bt11

S

6.9

78P02634

36-56

Bt12

S

6.9

78P02635

56-79

Bt13

S

7.0

78P02636

79-104

Bt2

S

8.2

78P02637

104-127

Btk11

S

8.5

78P02638

127-142

Btk12

S

8.7

78P02639

142-168

Btk21

S

8.7

78P02640

168-244

Btk22

S

8.8

78P02641

244-320

Btk31

S

8.8

78P02642

320-394

Bk32

S

8.8

78P02643

394-488

Bk4

S

8.8