*** Primary Characterization Data ***

Pedon ID: S1980TX061001

( Cameron, Texas )

Print Date: Dec 4 2024 3:15AM

Sampled as on Jun 1, 1980:	Racombes ; Fine-loamy, mixed, hyperthermic Pachic Argiustoll
Revised to correlated:	Ramadero ; Fine-loamy, mixed, superactive, hyperthermic Pachic Haplustolls

				United States Department of Agriculture
SSL	-	Project	CP81TX013   CAMERON COUNTY	Natural Resources Conservation Service
	-	Site ID	S1980TX061001   Lat: 26° 10' 60.00" north  Long: 97° 48' 0.01" west  MLRA: 83D	National Soil Survey Center
	-	Pedon No.	81P0013	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
81P00072	Ap	Ap	0-13				SCL	SCL
81P00073	A	A12	13-33				SCL	SCL
81P00074	Bt1	B21t	33-56				SCL	SCL
81P00075	Bt2	B22t	56-74				SCL	SCL
81P00076	Bt3	B23t	74-91				SCL	SCL
81P00077	Bk1	B3ca	91-108				SCL	SCL
81P00078	Bk2	Cca	108-133				SCL	FSL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.75	(NA)
Clay, carbonate free, Weighted Average	29	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	38	% wt
Volume, >2mm, Weighted Average	0	% vol
Clay, total, Weighted Average	29	% wt
LE, Whole Soil, Summed to 1m	4	cm/m
Weighted averages based on control section: 33-83 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	3A1a1a		3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3B1	3B1	3B1
81P00072	0-13	Ap	S	scl	29.8	20.0	50.2	15.1		10.9	9.1	13.7	30.3	6.2	tr	--	--	--	--	37	--
81P00073	13-33	A	S	scl	29.3	21.2	49.5	18.4		11.7	9.5	12.4	30.4	6.6	0.1	tr	--	--	--	37	--
81P00074	33-56	Bt1	S	scl	29.5	20.1	50.4	19.1		8.7	11.4	12.1	31.4	6.7	0.1	0.1	--	--	--	38	--
81P00075	56-74	Bt2	S	scl	29.5	18.3	52.2	19.5		9.1	9.2	14.0	31.5	6.7	tr	--	--	--	--	38	--
81P00076	74-91	Bt3	S	scl	29.4	19.0	51.6	18.6		8.3	10.7	12.9	30.7	7.5	0.5	tr	--	--	--	39	--
81P00077	91-108	Bk1	S	scl	25.6	20.5	53.9	13.2		9.1	11.4	14.7	32.1	7.0	0.1	tr	--	--	--	39	--
81P00078	108-133	Bk2	S	fsl	19.7	21.5	58.8	11.1		9.0	12.5	15.8	36.3	6.3	0.1	0.3	--	--	--	43	--

*** Primary Characterization Data ***

Pedon ID: S1980TX061001

( Cameron, Texas )

Print Date: Dec 4 2024 3:15AM

Sampled As	:	Racombes		Fine-loamy, mixed, hyperthermic Pachic Argiustoll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  81P0013

---

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
81P00072	0-13	Ap	S	1.44	1.62	0.040			22.0	11.8		1.021		0.15		0.79	0.40
81P00073	13-33	A	S	1.42	1.58	0.036			21.3	13.1		1.021		0.12		0.82	0.45
81P00074	33-56	Bt1	S	1.22	1.39	0.044			22.4	13.4		1.021		0.11		0.79	0.45
81P00075	56-74	Bt2	S	1.63	1.79	0.032			18.8	12.8		1.021		0.10		0.72	0.43
81P00076	74-91	Bt3	S	1.61	1.81	0.040			19.8	13.5		1.021		0.10		0.71	0.46
81P00077	91-108	Bk1	S	1.65	1.79	0.028			17.5	13.2		1.019		0.07		0.65	0.52
81P00078	108-133	Bk2	S	1.62	1.71	0.018			16.9	10.4		1.016		0.11		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 - - - - - - - - - - - - - - - - - - - - - -)
				4F1	4F
81P00072	0-13	Ap	S	31	14
81P00073	13-33	A	S	32	15
81P00075	56-74	Bt2	S	36	20
81P00078	108-133	Bk2	S	29	14

---

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
81P00072	0-13	Ap	S		0.099			1.45	15
81P00073	13-33	A	S		0.108			1.58	15
81P00074	33-56	Bt1	S		0.065			1.05	16
81P00075	56-74	Bt2	S		0.051			0.63	12
81P00076	74-91	Bt3	S		0.045			0.46	10
81P00077	91-108	Bk1	S					0.28
81P00078	108-133	Bk2	S					0.16

*** Primary Characterization Data ***

Pedon ID: S1980TX061001

( Cameron, Texas )

Print Date: Dec 4 2024 3:15AM

Sampled As	:	Racombes		Fine-loamy, mixed, hyperthermic Pachic Argiustoll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  81P0013

---

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				5A8b			5C3	5C1
81P00072	0-13	Ap	S	32.1*	2.9	0.6	1.6		0.6				23.6			98	100
81P00073	13-33	A	S	28.9*	3.3	0.5	2.0		0.1				23.9			100	100
81P00074	33-56	Bt1	S	24.2*	3.1	0.5	1.2		0.2				23.4			99	100
81P00075	56-74	Bt2	S	20.1*	3.1	0.6	1.0		0.8				21.2			97	100
81P00076	74-91	Bt3	S	20.2*	3.0	0.8	0.8		0.4				20.9			98	100
81P00077	91-108	Bk1	S	51.3*	3.0	0.9	0.7						16.7			100	100
81P00078	108-133	Bk2	S	47.5*	2.2	0.9	0.5						13.5			100	100

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

---

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	6I1b	6J1b	6U1a	6K1c				6L1c	6W1a	6M1c	8A	8D5	8A3a	4F1a1a1		5E
81P00072	0-13	Ap	S	5.0	0.9	3.2	0.6	--	7.1	0.1	0.6				1.4	--	0.2	45.7	tr	0.87	0.35	2	2
81P00073	13-33	A	S	5.5	1.1	2.8	0.9	--	7.7	0.1	1.1				1.5	--	0.4	47.3	tr	0.98	0.43	2	2
81P00074	33-56	Bt1	S	4.0	0.8	2.4	0.3	--	4.5	0.1	0.6				2.0	--	0.2	48.2	tr	0.73	0.41	2	2
81P00075	56-74	Bt2	S	4.2	0.9	2.9	0.2	--	3.1	0.2	1.2				3.4	--	0.2	47.8	tr	0.83	0.32	2	2
81P00076	74-91	Bt3	S	3.8	0.8	3.7	0.2	--	2.6	0.1	1.8				3.6	--	0.2	50.8	tr	0.88	0.42	3	2
81P00077	91-108	Bk1	S	3.7	0.8	4.9	0.1	--	2.6	tr	2.3				4.1	--	0.5	45.8	tr	0.99	0.41	4	3
81P00078	108-133	Bk2	S	4.6	0.9	5.9	0.2	--	2.3	--	3.5				5.2	--	0.6	39.5	tr	1.21	0.41	5	4

*** Primary Characterization Data ***

Pedon ID: S1980TX061001

( Cameron, Texas )

Print Date: Dec 4 2024 3:15AM

Sampled As	:	Racombes		Fine-loamy, mixed, hyperthermic Pachic Argiustoll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  81P0013

---

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
					4C1a2a	4C1a2a	8C1b			6E1g				8E1
81P00072	0-13	Ap	S		7.6	8.1	7.7			tr
81P00073	13-33	A	S		7.6	8.0	7.6			tr
81P00074	33-56	Bt1	S		7.5	8.1	7.4			tr
81P00075	56-74	Bt2	S		7.6	8.0	7.5			tr
81P00076	74-91	Bt3	S		7.6	8.1	7.5			tr
81P00077	91-108	Bk1	S		7.9	8.3	7.7			3				1700
81P00078	108-133	Bk2	S		7.9	8.3	7.6			4

*** Primary Characterization Data ***

Pedon ID: S1980TX061001

( Cameron, Texas )

Print Date: Dec 4 2024 3:15AM

Sampled As	:	Racombes		Fine-loamy, mixed, hyperthermic Pachic Argiustoll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  81P0013

---

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

7C3

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

81P00072

0.0-13.0

Ap

tcly

MI 3

MT 2

KK 1

6.7

3.4

81P00075

56.0-74.0

Bt2

tcly

MT 3

MI 3

KK 2

QZ 1

7.0

3.2

81P00078

108.0-133.0

Bk2

tcly

MT 3

MI 3

KK 2

CA 1

QZ 1

KK 13

6.7

2.8

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
CA Calcite	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: S1980TX061001

( Cameron, Texas )

Print Date: Dec 4 2024 3:15AM

Sampled As	:	Racombes		Fine-loamy, mixed, hyperthermic Pachic Argiustoll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  81P0013

---

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
81P00075	56.0-74.0	Bt2	vfs										67	QZ 65	FK 20	AR 11	OP 2	FP 1	EP tr
														HN tr	MI tr

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

MINERAL INTERPRETATION:
AR Weatherable Aggregates	EP Epidote	FK Potassium Feldspar	FP Plagioclase Feldspar	HN Hornblende
MI Mica	OP Opaques	QZ Quartz