*** Primary Characterization Data ***

Pedon ID: 81TX303001

( Lubbock, Texas )

Print Date: Apr 26 2024 7:42AM

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	S1981TX303001   Lat: 33° 39' 27.00" north  Long: 101° 48' 6.99" west  MLRA: 77C	National Soil Survey Center
	-	Pedon No.	81P0475	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
81P02766	Ap	Ap	0-13					L
81P02767	Bt1	B21t	13-36					SCL
81P02768	Bt2	B22t	36-65					SCL
81P02769	Btk1	B23tca	65-111					SCL
81P02770	Btk21	B24tca	111-135					SCL
81P02771	Btk22	B24tca	135-154					COSL
81P02772	Btk3	B26tca	154-225					CL
81P02773	Btk4	B27tca	225-280					SCL
81P02774	Btk51	B28tca	285-325					L
81P02775	Btk52	B29tca	325-335					SCL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.64	(NA)
Clay, carbonate free, Weighted Average	26	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	35	% wt
Volume, >2mm, Weighted Average	0	% vol
Clay, total, Weighted Average	26	% wt
LE, Whole Soil, Summed to 1m	0	cm/m
Weighted averages based on control section: 13-65 cm

*** Primary Characterization Data ***

Pedon ID: 81TX303001

( Lubbock, Texas )

Print Date: Apr 26 2024 7:42AM

Sampled As	:	Acuff		Fine-loamy, mixed, thermic Aridic Paleustoll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  81P0475

---

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
81P02766	0-13	Ap	S	l	22.4	32.4	45.2	10.1		13.1	19.3	21.7	19.4	3.3	0.5	0.3	--	--	--	24	--
81P02767	13-36	Bt1	S	scl	24.2	18.5	57.3	20.1		8.4	10.1	21.6	30.7	4.9	0.1	tr	--	--	--	36	--
81P02768	36-65	Bt2	S	scl	26.9	19.5	53.6	21.1		8.3	11.2	19.3	29.8	4.3	0.1	0.1	--	--	--	34	--
81P02769	65-111	Btk1	S	scl	20.6	16.8	62.6	10.3		7.0	9.8	21.7	35.8	4.6	0.2	0.3	tr	tr	--	41	tr
81P02770	111-135	Btk21	S	scl	23.8	20.8	55.4	7.4	8.0	13.1	7.7	18.1	31.4	4.4	0.8	0.7	1	3	--	40	4
81P02771	135-154	Btk22	S	cosl	19.9	24.0	56.1	3.3	12.1	19.5	4.5	8.5	13.4	5.5	8.2	20.5	21	13	1	66	35
81P02772	154-225	Btk3	S	cl	33.4	35.5	31.1	6.1	19.8	29.4	6.1	9.7	12.5	3.7	2.5	2.7	2	2	--	25	4
81P02773	225-280	Btk4	S	scl	26.8	25.3	47.9	10.3	7.1	15.6	9.7	16.9	25.5	4.2	0.7	0.6	tr	1	--	32	1
81P02774	285-325	Btk51	S	l	24.8	35.1	40.1	8.7	4.6	24.8	10.3	13.3	21.2	4.1	0.9	0.6	1	2	--	29	3
81P02775	325-335	Btk52	S	scl	22.8	27.9	49.3	9.8	4.5	17.5	10.4	15.5	27.8	4.8	0.7	0.5	tr	tr	--	34	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
81P02766	0-13	Ap	S	1.19	1.28	0.025			16.5	8.9		1.025		0.09		0.78	0.40
81P02767	13-36	Bt1	S	1.54	1.67	0.027			16.4	9.6		1.027		0.10		0.65	0.40
81P02768	36-65	Bt2	S	1.56	1.70	0.029			17.0	10.5		1.029		0.10		0.62	0.39
81P02769	65-111	Btk1	S	1.54	1.62	0.017			13.7	8.2		1.023		0.08		0.58	0.40
81P02770	111-135	Btk21	S	1.48	1.55	0.015			14.0	7.5		1.015		0.09		0.35	0.32
81P02771	135-154	Btk22	S	1.89	1.89	--			9.9	6.3		1.008		0.05		0.21	0.32
81P02772	154-225	Btk3	S	1.47	1.48	0.002			21.9	6.9		1.010		0.22		0.15	0.21
81P02773	225-280	Btk4	S							9.4		1.022					0.35
81P02774	285-325	Btk51	S							10.0		1.023					0.40
81P02775	325-335	Btk52	S							9.8		1.025					0.43

*** Primary Characterization Data ***

Pedon ID: 81TX303001

( Lubbock, Texas )

Print Date: Apr 26 2024 7:42AM

Sampled As	:	Acuff		Fine-loamy, mixed, thermic Aridic Paleustoll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  81P0475

---

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
81P02766	0-13	Ap	S		0.142			1.56	11	0.7
81P02767	13-36	Bt1	S		0.091			0.89	10	0.7
81P02768	36-65	Bt2	S		0.069			0.59	9	0.7
81P02769	65-111	Btk1	S					0.29		0.5
81P02770	111-135	Btk21	S					0.28		0.3
81P02771	135-154	Btk22	S					0.26		0.1
81P02772	154-225	Btk3	S					0.22		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						5A8b			5C3	5C1
81P02766	0-13	Ap	S	25.4*	2.0	--	1.5						17.4			100	100
81P02767	13-36	Bt1	S	15.2*	2.0	--	0.9						15.8			100	100
81P02768	36-65	Bt2	S	14.4*	2.6	tr	0.8						16.8			100	100
81P02769	65-111	Btk1	S	39.2*	3.0	tr	0.6						11.9			100	100
81P02770	111-135	Btk21	S	43.4*	3.3	tr	0.5						8.3			100	100
81P02771	135-154	Btk22	S	41.2*	3.0	0.1	0.3						4.1			100	100
81P02772	154-225	Btk3	S	35.2*	4.0	0.4	0.3						5.1			100	100

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

*** Primary Characterization Data ***

Pedon ID: 81TX303001

( Lubbock, Texas )

Print Date: Apr 26 2024 7:42AM

Sampled As	:	Acuff		Fine-loamy, mixed, thermic Aridic Paleustoll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  81P0475

---

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
81P02766	0-13	Ap	S	5.2	0.7	0.2	0.9	--	5.0	--	0.5				0.4	0.9	0.3	43.9	tr	0.72	0.35	--	tr
81P02767	13-36	Bt1	S																		0.21	--
81P02768	36-65	Bt2	S																		0.18	--
81P02769	65-111	Btk1	S																		0.20	--
81P02770	111-135	Btk21	S																		0.23	--
81P02771	135-154	Btk22	S	2.0	1.9	0.7	0.4	--	2.3	0.2	0.4				1.7	0.1	--	32.3	tr	0.52	0.25	2	1
81P02772	154-225	Btk3	S	1.8	1.7	2.6	0.4	--	1.6	0.3	1.7				2.0	0.1	0.3	39.6	tr	0.70	0.31	6	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
81P02766	0-13	Ap	S		7.6	7.9	7.6			1
81P02767	13-36	Bt1	S		7.5	7.9				--
81P02768	36-65	Bt2	S		7.3	7.9				tr
81P02769	65-111	Btk1	S		7.8	8.2				3
81P02770	111-135	Btk21	S		8.2	8.4				24
81P02771	135-154	Btk22	S		8.1	8.5	8.2			69
81P02772	154-225	Btk3	S		8.3	8.6	8.3			66
81P02773	225-280	Btk4	S		8.3	8.5				25
81P02774	285-325	Btk51	S		8.1	8.3				33
81P02775	325-335	Btk52	S		8.1	8.3				20

*** Primary Characterization Data ***

Pedon ID: 81TX303001

( Lubbock, Texas )

Print Date: Apr 26 2024 7:42AM

Sampled As	:	Acuff		Fine-loamy, mixed, thermic Aridic Paleustoll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  81P0475

---

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

81P02768

36.0-65.0

Bt2

tcly

MT 3

MI 3

KK 2

&nbsp;

&nbsp;

KK 19

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

7.7

&nbsp;

&nbsp;

2.6

&nbsp;

&nbsp;

&nbsp;

81P02772

154.0-225.0

Btk3

tcly

CA 3

MT 2

MI 1

KK 1

&nbsp;

KK 2

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

2.3

&nbsp;

&nbsp;

1.0

&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: 81TX303001

( Lubbock, Texas )

Print Date: Apr 26 2024 7:42AM

Sampled As	:	Acuff		Fine-loamy, mixed, thermic Aridic Paleustoll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  81P0475

---

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

81P02768

36.0-65.0

Bt2

vfs

 

 

 

 

 

 

 

 

 

84

QZ 77

FK 16

CD 5

OP 2

EP tr

ZR tr

 

 

 

 

 

 

 

 

 

 

 

GS tr

 

 

 

 

 

 

81P02772

154.0-225.0

Btk3

vfs

 

 

 

 

 

 

 

 

 

54

QZ 50

CB 38

FK 7

CD 4

GS tr

CA tr

 

 

 

 

 

 

 

 

 

 

 

ZR tr

OP tr

 

 

 

 

 

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

MINERAL INTERPRETATION:
CA Calcite	CB Carbonate Aggregates	CD Chert (Chalcedony	EP Epidote	FK Potassium Feldspar
GS Glass	OP Opaques	QZ Quartz	ZR Zircon