*** Primary Characterization Data ***

Pedon ID: 81TX069002

( Castro, Texas )

Print Date: Apr 25 2024 7:18PM

Sampled as on Jun 1, 1981:	Acuff ; Fine-loamy, mixed, thermic Aridic Paleustoll
Revised to correlated:	Acuff ; Fine-loamy, mixed, superactive, thermic Aridic Paleustolls

				United States Department of Agriculture
SSL	-	Project	CP81TX216   RED BEDS-HIGH PLAINS STUDY	Natural Resources Conservation Service
	-	Site ID	S1981TX069002   Lat: 34° 20' 26.99" north  Long: 102° 28' 0.00" west  MLRA: 77C	National Soil Survey Center
	-	Pedon No.	81P0472	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
81P02728	A11	A11	0-5					SCL
81P02729	A12	A12	5-17					VFSL
81P02730	Bt1	B21t	17-40					SCL
81P02731	Bt2	B22t	40-65					CL
81P02732	Bt3	B23t	65-90					SCL
81P02733	Btk1	B24tca	90-112					SCL
81P02734	Btk2	B25tca	112-160					CL
81P02735	Btk3	B26tca	160-190					CL
81P02736	Btk4	B27tca	190-240					CL
81P02737	Btk5	B28tca	240-280					CL
81P02738	Btk6	B29tca	280-295					CL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.61	(NA)
Clay, carbonate free, Weighted Average	33	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	19	% wt
Volume, >2mm, Weighted Average	0	% vol
Clay, total, Weighted Average	33	% wt
LE, Whole Soil, Summed to 1m	0	cm/m
Weighted averages based on control section: 17-67 cm

*** Primary Characterization Data ***

Pedon ID: 81TX069002

( Castro, Texas )

Print Date: Apr 25 2024 7:18PM

Sampled As	:	Acuff		Fine-loamy, mixed, thermic Aridic Paleustoll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  81P0472

---

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	3A1a1a	3B1	3B1	3B1
81P02728	0-5	A11	S	scl	20.2	26.9	52.9	13.9		10.5	16.4	31.9	16.8	3.5	0.4	0.3	--	--	--	21	--
81P02729	5-17	A12	S	vfsl	19.6	26.0	54.4	12.5		10.4	15.6	32.3	17.8	3.9	0.3	0.1	--	--	--	22	--
81P02730	17-40	Bt1	S	scl	31.7	22.3	46.0	24.5		8.9	13.4	26.5	15.4	3.8	0.3	tr	--	--	--	20	--
81P02731	40-65	Bt2	S	cl	34.2	30.5	35.3	24.9		9.3	21.2	17.8	13.7	3.5	0.3	tr	--	--	--	18	--
81P02732	65-90	Bt3	S	scl	26.8	22.8	50.4	21.4		8.8	14.0	30.1	15.9	4.1	0.3	tr	--	--	--	20	--
81P02733	90-112	Btk1	S	scl	22.9	22.6	54.5	13.3		8.3	14.3	32.4	17.3	4.4	0.4	tr	--	--	--	22	--
81P02734	112-160	Btk2	S	cl	35.8	33.1	31.1	4.9	19.5	23.6	9.5	14.5	11.0	3.7	1.1	0.8	tr	--	--	17	tr
81P02735	160-190	Btk3	S	cl	34.4	32.8	32.8	9.5	15.3	22.8	10.0	17.0	11.5	2.9	0.7	0.7	1	2	--	18	3
81P02736	190-240	Btk4	S	cl	34.0	28.5	37.5	10.8	11.8	17.4	11.1	19.8	13.7	2.9	0.6	0.5	1	1	--	19	2
81P02737	240-280	Btk5	S	cl	27.7	36.4	35.9	8.7	5.7	24.0	12.4	15.8	12.5	4.0	1.6	2.0	2	1	--	22	3
81P02738	280-295	Btk6	S	cl	32.4	23.9	43.7	11.2	6.6	12.5	11.4	19.4	17.9	5.4	0.5	0.5	tr	tr	--	24	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
81P02728	0-5	A11	S	1.49	1.59	0.022			16.2	9.0		1.023		0.11		0.75	0.45
81P02729	5-17	A12	S	1.50	1.57	0.015			14.4	8.3		1.022		0.09		0.68	0.42
81P02730	17-40	Bt1	S	1.52	1.68	0.034			18.5	12.7		1.035		0.09		0.62	0.40
81P02731	40-65	Bt2	S	1.55	1.70	0.031			17.6	13.8		1.039		0.06		0.61	0.40
81P02732	65-90	Bt3	S	1.58	1.67	0.019			14.7	11.0		1.032		0.06		0.62	0.41
81P02733	90-112	Btk1	S	1.58	1.64	0.012			13.0	9.9		1.027		0.05		0.64	0.43
81P02734	112-160	Btk2	S	1.46	1.46	--			23.0	7.7		1.012		0.22		0.18	0.22
81P02735	160-190	Btk3	S	1.61	1.64	0.006			15.7	10.3		1.022		0.09		0.31	0.30
81P02736	190-240	Btk4	S							11.5		1.024					0.34
81P02737	240-280	Btk5	S							10.7		1.024					0.39
81P02738	280-295	Btk6	S							12.0		1.029					0.37

*** Primary Characterization Data ***

Pedon ID: 81TX069002

( Castro, Texas )

Print Date: Apr 25 2024 7:18PM

Sampled As	:	Acuff		Fine-loamy, mixed, thermic Aridic Paleustoll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  81P0472

---

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
81P02728	0-5	A11	S		0.117			1.40	12	0.7
81P02729	5-17	A12	S		0.109			0.93	9	0.7
81P02730	17-40	Bt1	S		0.081			0.73	9	0.8
81P02731	40-65	Bt2	S		0.067			0.54	8	0.8
81P02732	65-90	Bt3	S					0.31		0.7
81P02733	90-112	Btk1	S					0.24		0.6
81P02734	112-160	Btk2	S					0.22		0.2
81P02735	160-190	Btk3	S					0.15		0.3

---

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						5A8b			5C3	5C1
81P02728	0-5	A11	S	10.4*	5.9	0.2	1.1						15.1			100	100
81P02729	5-17	A12	S	9.2*	5.0	0.1	0.9						13.3			100	100
81P02730	17-40	Bt1	S	14.8*	5.6	0.2	0.6						19.7			100	100
81P02731	40-65	Bt2	S	16.3*	5.3	0.2	0.6						20.7			100	100
81P02732	65-90	Bt3	S	13.2*	4.4	0.2	0.6						16.6			100	100
81P02733	90-112	Btk1	S	22.4*	4.3	0.8	0.5						14.7			100	100
81P02734	112-160	Btk2	S	39.3*	2.7	0.2	0.2						6.3			100	100
81P02735	160-190	Btk3	S	39.5*	5.4	0.2	0.4						10.6			100	100

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

*** Primary Characterization Data ***

Pedon ID: 81TX069002

( Castro, Texas )

Print Date: Apr 25 2024 7:18PM

Sampled As	:	Acuff		Fine-loamy, mixed, thermic Aridic Paleustoll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  81P0472

---

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
81P02728	0-5	A11	S	3.7	3.1	0.7	0.7	--	5.9	0.1	1.0				0.5	tr	0.2	44.6	tr	0.77	0.28	1	tr
81P02729	5-17	A12	S																		0.21	1
81P02730	17-40	Bt1	S																		0.19	1
81P02731	40-65	Bt2	S																		0.21	1
81P02732	65-90	Bt3	S																		0.20	1
81P02733	90-112	Btk1	S	2.9	1.2	1.4	0.2	--	3.1	--	0.6				1.0	--	--	39.5	tr	0.58	0.25	5	1
81P02734	112-160	Btk2	S																		0.22	3
81P02735	160-190	Btk3	S																		0.19	2

---

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
81P02728	0-5	A11	S		7.3	7.8	7.6			--
81P02729	5-17	A12	S		7.3	7.9				--
81P02730	17-40	Bt1	S		7.7	8.0				--
81P02731	40-65	Bt2	S		7.7	8.0				tr
81P02732	65-90	Bt3	S		7.2	8.0				tr
81P02733	90-112	Btk1	S		7.4	8.1	7.7			1
81P02734	112-160	Btk2	S		7.9	8.5				57
81P02735	160-190	Btk3	S		8.0	8.4				39
81P02736	190-240	Btk4	S		7.9	8.4				31
81P02737	240-280	Btk5	S		8.0	8.4				31
81P02738	280-295	Btk6	S		8.0	8.4				19

*** Primary Characterization Data ***

Pedon ID: 81TX069002

( Castro, Texas )

Print Date: Apr 25 2024 7:18PM

Sampled As	:	Acuff		Fine-loamy, mixed, thermic Aridic Paleustoll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  81P0472

---

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

&nbsp;

7C3

&nbsp;

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

81P02731

40.0-65.0

Bt2

tcly

MT 3

MI 3

KK 2

&nbsp;

&nbsp;

KK 22

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

8.0

&nbsp;

&nbsp;

2.5

&nbsp;

&nbsp;

&nbsp;

81P02735

160.0-190.0

Btk3

tcly

MT 3

CA 2

MI 2

KK 2

&nbsp;

KK 16

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

4.3

&nbsp;

&nbsp;

1.6

&nbsp;

&nbsp;

&nbsp;

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm	&nbsp;	&nbsp;	&nbsp;	&nbsp;

MINERAL INTERPRETATION:
CA Calcite	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: 81TX069002

( Castro, Texas )

Print Date: Apr 25 2024 7:18PM

Sampled As	:	Acuff		Fine-loamy, mixed, thermic Aridic Paleustoll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  81P0472

---

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

81P02731

40.0-65.0

Bt2

vfs

 

 

 

 

 

 

 

 

 

83

QZ 80

FK 17

OP 2

CD 1

CA tr

ZR tr

 

 

 

 

 

 

 

 

 

 

 

HN tr

PR tr

 

 

 

 

 

81P02735

160.0-190.0

Btk3

vfs

 

 

 

 

 

 

 

 

 

81

QZ 79

FK 13

CB 5

CD 2

ZR tr

OP tr

 

 

 

 

 

 

 

 

 

 

 

HN tr

CA tr

 

 

 

 

 

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

MINERAL INTERPRETATION:
CA Calcite	CB Carbonate Aggregates	CD Chert (Chalcedony	FK Potassium Feldspar	HN Hornblende
OP Opaques	PR Pyroxene	QZ Quartz	ZR Zircon