*** Primary Characterization Data ***

Pedon ID: 87TX227001A

( Howard, Texas )

Print Date: Dec 17 2024 11:33PM

Sampled as on Apr 29, 1987:	Amarillo ; Fine-loamy, mixed, superactive, thermic Aridic Paleustalfs
Revised to :

				United States Department of Agriculture
SSL	-	Project	CP87TX153   WEPP BIG SPRINGS, TEXAS	Natural Resources Conservation Service
	-	Site ID	S1987TX227001A	National Soil Survey Center
	-	Pedon No.	87P0456	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
87P02384	Ap	Ap	0-28				FSL	LFS
87P02385	Bt	Bt1	28-41				FSL	LFS

---

---

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
87P02384	0-28	Ap	S	lfs	8.0	7.7	84.3	6.6		1.9	5.8	20.2	39.4	23.7	1.0	--	--	--	--	64	--
87P02385	28-41	Bt	S	lfs	9.8	9.6	80.6	8.6		2.4	7.2	22.9	36.6	20.3	0.8	--	--	--	--	58	--

---

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	3F1a1a	8D1	8D1
87P02384	0-28	Ap	S	1.71	1.79	0.015			9.7	3.5		1.004		0.11	3	0.70	0.44
87P02385	28-41	Bt	S	1.78	1.86	0.015			9.6	4.3		1.005		0.09		0.65	0.44

*** Primary Characterization Data ***

Pedon ID: 87TX227001A

( Howard, Texas )

Print Date: Dec 17 2024 11:33PM

Sampled As	:	Amarillo		Fine-loamy, mixed, superactive, thermic Aridic Paleustalfs
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  87P0456

---

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

3C1b1a

3C1e1a

87P02384

0-28

Ap

S

NP

15.6

5.3

87P02385

28-41

Bt

S

18.9

---

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

6G7a

87P02384

0-28

Ap

S

0.018

0.16

9

0.2

tr

87P02385

28-41

Bt

S

0.019

0.16

8

0.3

tr

---

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

5A3a

5A8b

5C3

5C1

87P02384

0-28

Ap

S

5.1*

0.7

tr

0.5

--

5.6

100

100

87P02385

28-41

Bt

S

5.6*

0.9

tr

0.4

6.9

--

6.9

6.4

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 - -)		%
																					4F1a1a1
87P02384	0-28	Ap	S																		0.13	--
87P02385	28-41	Bt	S																		0.07	--

*** Primary Characterization Data ***

Pedon ID: 87TX227001A

( Howard, Texas )

Print Date: Dec 17 2024 11:33PM

Sampled As	:	Amarillo		Fine-loamy, mixed, superactive, thermic Aridic Paleustalfs
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  87P0456

---

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

6E1g

87P02384

0-28

Ap

S

7.3

7.9

--

87P02385

28-41

Bt

S

6.8

7.5

---

Trace Elements Tier 1

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

Depth

Ag

As

Ba

Be

Cd

Co

Cr

Cu

Mn

Mo

Hg

Layer

(cm)

Horz

Prep

mg/kg

mg/kg

mg/kg

mg/kg

mg/kg

mg/kg

mg/kg

mg/kg

mg/kg

mg/kg

ug/kg

4H1a

4H1a

4H1a

4H1a

4H1a

87P02384

0-28

Ap

S

0.12

1.70

8.22

4.06

79.65

87P02385

28-41

Bt

S

0.13

2.01

10.32

4.31

96.30

---

Trace Elements Tier 2

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

Depth

Ni

P

Pb

Sb

Se

Sn

Sr

Tl

V

W

Zn

Layer

(cm)

Horz

Prep

mg/kg

mg/kg

mg/kg

mg/kg

ug/kg

mg/kg

mg/kg

mg/kg

mg/kg

mg/kg

mg/kg

4H1a

4H1a

4H1a

4H1a

87P02384

0-28

Ap

S

4.83

60.37

4.18

17.24

87P02385

28-41

Bt

S

5.91

66.84

4.35

21.24

---

Major Elements				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-
	Depth			Al	Ca	Fe	K	Mg	Mn	Na	P	Si	Sr	Ti	Zr
Layer	(cm)	Horz	Prep	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg
				4H1b	4H1b	4H1b	4H1b	4H1b	4H1b	4H1b	4H1b	4H1b		4H1b	4H1b
87P02384	0-28	Ap	S	11636	1304	5345	4120	900	92	943	89	404250		858	63
87P02385	28-41	Bt	S	14625	1544	7111	5275	1019	116	1238	108	334412		1110	70

*** Primary Characterization Data ***

Pedon ID: 87TX227001A

( Howard, Texas )

Print Date: Dec 17 2024 11:33PM

Sampled As	:	Amarillo		Fine-loamy, mixed, superactive, thermic Aridic Paleustalfs
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  87P0456

---

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

7A4a

7C3

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

87P02384

0.0-28.0

Ap

tcly

MI 2

MT 2

KK 1

KK 1

7.0

2.4

87P02385

28.0-41.0

Bt

tcly

MI 3

KK 2

MT 1

QZ 1

KK 4

6.1

2.2

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
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: 87TX227001A

( Howard, Texas )

Print Date: Dec 17 2024 11:33PM

Sampled As	:	Amarillo		Fine-loamy, mixed, superactive, thermic Aridic Paleustalfs
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  87P0456

---

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
87P02384	0.0-28.0	Ap	vfs										85	QZ 83	FK 13	OP 2	FP 1	OT 1	TM tr
														ZR tr	AM tr	HN tr	CA tr

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

MINERAL INTERPRETATION:
AM Amphibole	CA Calcite	FK Potassium Feldspar	FP Plagioclase Feldspar	HN Hornblende
OP Opaques	OT Other	QZ Quartz	TM Tourmaline	ZR Zircon