*** Primary Characterization Data ***

Pedon ID: 77TX047004

( Brooks, Texas )

Print Date: Dec 4 2024 3:24AM

Sampled as on Mar 30, 1977:	Falfurrias ; Mixed, hyperthermic Typic Ustipsamment
Revised to correlated on Jul 9, 2007:	Falfurrias ; Mixed, hyperthermic Typic Ustipsamments

				United States Department of Agriculture
SSL	-	Project	CP78TX089   SOUTH TEXAS SAND SHEET	Natural Resources Conservation Service
	-	Site ID	S1977TX047004   Lat: 27° 0' 0.00" north  Long: 97° 59' 11.99" west  MLRA: 83C	National Soil Survey Center
	-	Pedon No.	78P0208	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
78P01062	A1	A11	0-8					FS
78P01063	A2	A12	8-21					FS
78P01064	A3	A13	21-40					FS
78P01065	A4	A14	40-96					FS
78P01066	C1	C1	96-145					FS
78P01067	C2	C2	145-203					FS
78P01068	C3	C3	203-259					FS
78P01069	C4	C4	259-332					FS
78P01070	2Btb	2B21t	332-353					LFS
78P01071			353-401					LFS
78P01072			401-431					LFS
78P01073			431-469					FS
78P01074			469-498					LFS

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0	(NA)
Clay, carbonate free, Weighted Average	0	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	93	% wt
Volume, >2mm, Weighted Average	0	% vol
Clay, total, Weighted Average	0	% wt
Weighted averages based on control section: 25-100 cm

*** Primary Characterization Data ***

Pedon ID: 77TX047004

( Brooks, Texas )

Print Date: Dec 4 2024 3:24AM

Sampled As	:	Falfurrias		Mixed, hyperthermic Typic Ustipsamment
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  78P0208

---

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
78P01062	0-8	A1	S	fs	tr	2.5	97.5			tr	2.5	6.2	86.7	4.4	0.2	--	--	--	--	91	--
78P01063	8-21	A2	S	fs	tr	3.0	97.0			0.4	2.6	5.8	88.0	3.2	--	--	--	--	--	91	--
78P01064	21-40	A3	S	fs	tr	3.0	97.0			0.8	2.2	6.5	86.9	3.5	0.1	--	--	--	--	91	--
78P01065	40-96	A4	S	fs	tr	2.2	97.8			0.8	1.4	5.3	88.7	3.8	--	--	--	--	--	93	--
78P01066	96-145	C1	S	fs	tr	1.7	98.3			tr	1.7	6.6	89.3	2.3	0.1	--	--	--	--	92	--
78P01067	145-203	C2	S	fs	tr	0.9	99.1			tr	0.9	4.7	92.3	2.1	--	--	--	--	--	94	--
78P01068	203-259	C3	S	fs	tr	1.5	98.5			tr	1.5	7.6	85.6	5.3	--	--	--	--	--	91	--
78P01069	259-332	C4	S	fs	tr	3.0	97.0			1.2	1.8	8.9	85.2	2.9	--	--	--	--	--	88	--
78P01070	332-353	2Btb	S	lfs	10.9	4.5	84.6			0.8	3.7	7.3	73.4	3.9	tr	--	--	--	--	77	--
78P01071	353-401		S	lfs	13.4	2.2	84.4	13.0		0.4	1.8	7.0	71.6	5.8	--	--	--	--	--	77	--
78P01072	401-431		S	lfs	10.5	4.5	85.0	8.9		0.8	3.7	4.1	74.9	6.0	--	--	--	--	--	81	--
78P01073	431-469		S	fs	8.5	1.9	89.6	7.3		0.4	1.5	7.4	77.2	5.0	--	--	--	--	--	82	--
78P01074	469-498		S	lfs	10.5	1.7	87.8	8.5		0.4	1.3	6.7	77.1	4.0	--	--	--	--	--	81	--

*** Primary Characterization Data ***

Pedon ID: 77TX047004

( Brooks, Texas )

Print Date: Dec 4 2024 3:24AM

Sampled As	:	Falfurrias		Mixed, hyperthermic Typic Ustipsamment
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  78P0208

---

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	4B1c	3C2a1a		3D1		4C1		8D1	8D1
78P01062	0-8	A1	S							1.1		1.001
78P01063	8-21	A2	S	1.54	1.54	--		5.0	3.8	1.1		1.001		0.04
78P01064	21-40	A3	S	1.53	1.53	--		5.0	4.9	1.0		1.001		0.06
78P01065	40-96	A4	S	1.53	1.53	--		9.3	6.9	0.9		1.001		0.09
78P01066	96-145	C1	S	1.52	1.52	--		5.0	4.0	0.8		1.001		0.05
78P01067	145-203	C2	S	1.57	1.57	--		4.9	4.8	0.7		1.001		0.06
78P01068	203-259	C3	S	1.56	1.56	--		4.3	3.8	0.6		1.001		0.05
78P01069	259-332	C4	S							0.9		1.002
78P01070	332-353	2Btb	S							4.9		1.008				0.58	0.45
78P01071	353-401		S							7.6		1.011				0.69	0.57
78P01072	401-431		S							5.5		1.007				0.66	0.52
78P01073	431-469		S							4.8		1.007				0.73	0.56
78P01074	469-498		S							5.6		1.007				0.69	0.53

---

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 - - - - - - - - - - - - - - - - - - - - - -)

4F

78P01070

332-353

2Btb

S

NP

*** Primary Characterization Data ***

Pedon ID: 77TX047004

( Brooks, Texas )

Print Date: Dec 4 2024 3:24AM

Sampled As	:	Falfurrias		Mixed, hyperthermic Typic Ustipsamment
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  78P0208

---

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 - - - - -)
								6A1c		6C2b
78P01062	0-8	A1	S					0.20		0.1
78P01063	8-21	A2	S					0.19		0.1
78P01064	21-40	A3	S					0.12		0.1
78P01065	40-96	A4	S					0.08		0.1
78P01066	96-145	C1	S					0.04		tr
78P01067	145-203	C2	S					0.02		tr
78P01068	203-259	C3	S					0.02		0.1
78P01069	259-332	C4	S					0.03		tr
78P01070	332-353	2Btb	S					0.03		0.1
78P01071	353-401		S					0.04		0.1
78P01072	401-431		S					0.05		0.1
78P01073	431-469		S					0.04		0.1
78P01074	469-498		S					0.03		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		6H2b			5A3a	5A8a			5C3	5C1
78P01062	0-8	A1	S	0.9*	0.2	0.1	0.1	1.3	--			1.3	1.3			100	100
78P01063	8-21	A2	S	0.8	0.2	tr	0.1	1.1	--			1.1	1.3			100	85
78P01064	21-40	A3	S	0.8	0.2	0.1	0.1	1.2	0.5			1.7	1.3			71	92
78P01065	40-96	A4	S	0.8*	0.2	--	--	1.0	0.5			1.5	1.0			67	100
78P01066	96-145	C1	S	0.5	0.2	0.1	tr	0.8	0.3			1.1	0.9			73	89
78P01067	145-203	C2	S	0.3	0.1	0.1	tr	0.5	0.3			0.8	0.7			63	71
78P01068	203-259	C3	S	0.3	0.2	0.1	tr	0.6	0.1			0.7	0.7			86	86
78P01069	259-332	C4	S	0.5	0.3	0.1	0.1	1.0	0.4			1.4	1.2			71	83
78P01070	332-353	2Btb	S	3.5	1.6	0.2	0.3	5.6	1.0			6.6	6.3			85	89
78P01071	353-401		S	5.3	2.4	0.2	0.4	8.3	1.2			9.5	9.3			87	89
78P01072	401-431		S	4.1	1.8	0.2	0.3	6.4	0.8			7.2	6.9			89	93
78P01073	431-469		S	3.9	1.6	0.2	0.4	6.1	0.5			6.6	6.2			92	98
78P01074	469-498		S	4.3	1.8	0.2	0.4	6.7	0.6			7.3	7.2			92	93

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

*** Primary Characterization Data ***

Pedon ID: 77TX047004

( Brooks, Texas )

Print Date: Dec 4 2024 3:24AM

Sampled As	:	Falfurrias		Mixed, hyperthermic Typic Ustipsamment
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  78P0208

---

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 - -)		%
																			8D5	8A1a
78P01062	0-8	A1	S																tr	0.05		8
78P01063	8-21	A2	S																tr	0.04		--
78P01064	21-40	A3	S																tr	0.02		8
78P01065	40-96	A4	S																tr	0.01		--
78P01066	96-145	C1	S																tr	0.01		11
78P01067	145-203	C2	S																tr	0.01		14
78P01068	203-259	C3	S																tr	0.01		14
78P01069	259-332	C4	S																tr	0.01		8
78P01070	332-353	2Btb	S																tr	0.02		3
78P01071	353-401		S																tr	0.03		2
78P01072	401-431		S																tr	0.03		3
78P01073	431-469		S																tr	0.04		3
78P01074	469-498		S																tr	0.04		3

---

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
78P01062	0-8	A1	S		5.4	6.1
78P01063	8-21	A2	S		5.1	5.7
78P01064	21-40	A3	S		5.0	5.6
78P01065	40-96	A4	S		4.9	5.5
78P01066	96-145	C1	S		4.9	5.4
78P01067	145-203	C2	S		4.9	5.3
78P01068	203-259	C3	S		4.9	5.4
78P01069	259-332	C4	S		5.2	5.7
78P01070	332-353	2Btb	S		5.4	6.1
78P01071	353-401		S		5.3	6.0
78P01072	401-431		S		5.5	6.3
78P01073	431-469		S		5.9	6.6
78P01074	469-498		S		5.9	6.5

*** Primary Characterization Data ***

Pedon ID: 77TX047004

( Brooks, Texas )

Print Date: Dec 4 2024 3:24AM

Sampled As	:	Falfurrias		Mixed, hyperthermic Typic Ustipsamment
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  78P0208

---

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

78P01062

0-8

A1

S

5.7

78P01063

8-21

A2

S

5.5

78P01064

21-40

A3

S

5.4

78P01065

40-96

A4

S

5.3

78P01066

96-145

C1

S

5.2

78P01067

145-203

C2

S

5.2

78P01068

203-259

C3

S

5.1

78P01069

259-332

C4

S

5.3

78P01070

332-353

2Btb

S

6.0

78P01071

353-401

S

6.0

78P01072

401-431

S

6.1

78P01073

431-469

S

6.2

78P01074

469-498

S

6.3

*** Primary Characterization Data ***

Pedon ID: 77TX047004

( Brooks, Texas )

Print Date: Dec 4 2024 3:24AM

Sampled As	:	Falfurrias		Mixed, hyperthermic Typic Ustipsamment
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  78P0208

---

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									7C3								tion
Layer	(cm)	Horz	ion	( - - - - - - - - - peak size - - - - - - - - - - )					(- - - - - - - - - % - - - - - - - - - -)				(- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -)							mg g-1
78P01070	332.0-353.0	2Btb	tcly	MT 4	MI 3	KK 2									7.6			3.8

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
KK Kaolinite	MI 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: 77TX047004

( Brooks, Texas )

Print Date: Dec 4 2024 3:24AM

Sampled As	:	Falfurrias		Mixed, hyperthermic Typic Ustipsamment
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  78P0208

---

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

78P01065

40.0-96.0

A4

vfs

77

QZ 59

FK 18

CD 15

FP 5

ZR 1

MG 1

OP 1

TM tr

HN tr

78P01065

40.0-96.0

A4

fs

88

QZ 80

FK 11

CD 8

FP 1

78P01067

145.0-203.0

C2

fs

89

QZ 82

FK 10

CD 7

FP 1

78P01070

332.0-353.0

2Btb

fs

94

QZ 85

CD 9

FK 6

FP tr

FRACTION INTERPRETATION:
vfs - Very Fine Sand 0.05-0.1 mm	fs - Fine Sand 0.1-0.25 mm

MINERAL INTERPRETATION:
CD Chert (Chalcedony	FK Potassium Feldspar	FP Plagioclase Feldspar	HN Hornblende	MG Magnetite
OP Opaques	QZ Quartz	TM Tourmaline	ZR Zircon