*** Primary Characterization Data ***

Pedon ID: S1962TX491090

( Williamson, Texas )

Print Date: Feb 16 2026 3:20AM

Sampled as on May 30, 1962:	Denton ; Fine-silty, mixed Typic Calciustolls
Revised to correlated on Apr 7, 2015:	UNNAMED ; Fine-silty, mixed, thermic Udic Calciustolls

				State of Texas
SSL	-	Project	NL40001   SSIR SAMPLES	Texas A&M University
	-	Site ID	S1962TX491090   Lat: 30° 39' 26.00" north  Long: 97° 48' 17.01" west	University Soil Laboratory
	-	Pedon No.	40A4513	Soil Laboratory
	-	General Methods 1B1A, 2A1, 2B		College Station, Texas

---

Layer	Horizon	Orig Hzn	Depth (cm)	Field Label 1	Field Label 2	Field Label 3	Field Texture	Lab Texture
40A34505	Ap	Ap	0-18	K1471
40A34506	A	A12	18-43	K1472
40A34507	Bk11	B21ca	43-76	K1473
40A34508	Bk12	B22ca	76-94	K1474
40A34509	Bk2	C1ca	94-109	K1475
40A34510	C1	C 2	109-130	K1476
40A34511	C2	C 3&	130-165

---

Pedon Calculations
Calculation Name	Result	Units of Measure
Volume, >2mm, Weighted Average	0	% vol
Weighted averages based on control section: 25-100 cm

---

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									3B1	3B1	3B1
40A34505	0-18	Ap	S		47.4	48.9	3.7	36.0									--	--	--		--
40A34506	18-43	A	S		49.2	46.0	4.8	35.4									--	--	--		--
40A34507	43-76	Bk11	S														--	--	--
40A34508	76-94	Bk12	S														--	--	--
40A34509	94-109	Bk2	S		21.6	63.4	15.0	15.3									--	--	--		--
40A34510	109-130	C1	S		23.6	61.6	14.8	15.6									--	--	--		--

*** Primary Characterization Data ***

Pedon ID: S1962TX491090

( Williamson, Texas )

Print Date: Feb 16 2026 3:20AM

Sampled As	:	Denton		Fine-silty, mixed Typic Calciustolls
Texas A&M University Soil Survey Laboratory			;	Pedon No.  40A4513

---

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 - - - - -)

6A1a

40A34505

0-18

Ap

S

2.30

40A34506

18-43

A

S

2.00

40A34507

43-76

Bk11

S

1.30

40A34508

76-94

Bk12

S

0.80

40A34509

94-109

Bk2

S

0.40

40A34510

109-130

C1

S

0.20

---

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 - - -)			(- - - - - - - - % - - - - - - - -)
					6O2d	6P2a	6Q2a
40A34505	0-18	Ap	S		1.6	0.1	1.5									100
40A34506	18-43	A	S		0.9	0.2	0.9									100
40A34507	43-76	Bk11	S		0.6	0.1	0.7
40A34508	76-94	Bk12	S		0.3	0.1	0.5
40A34509	94-109	Bk2	S		0.4	0.1	0.3									100
40A34510	109-130	C1	S		0.4	0.1	0.2									100

---

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

8C1a

6E1a

40A34505

0-18

Ap

S

7.9

4

40A34506

18-43

A

S

7.8

14

40A34507

43-76

Bk11

S

7.9

31

40A34508

76-94

Bk12

S

7.9

62

40A34509

94-109

Bk2

S

8.1

74

40A34510

109-130

C1

S

8.2

77

*** Primary Characterization Data ***

Pedon ID: S1962TX491090

( Williamson, Texas )

Print Date: Feb 16 2026 3:20AM

Sampled As	:	Denton		Fine-silty, mixed Typic Calciustolls
Texas A&M University Soil Survey Laboratory			;	Pedon No.  40A4513

---

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

5A2a

40A34505

0-18

Ap

S

62.9

40A34506

18-43

A

S

55.6

40A34507

43-76

Bk11

S

49.6

40A34508

76-94

Bk12

S

28.0

40A34509

94-109

Bk2

S

14.7

40A34510

109-130

C1

S

10.8