*** Primary Characterization Data ***

Pedon ID: S1971AZ013006

( Maricopa, Arizona )

Print Date: Apr 24 2025 5:51AM

Sampled as on Apr 11, 1971:	Harqua ; Fine-loamy, mixed Typic Natrargids
Revised to correlated on Jul 1, 1996:	(unnamed) ; Fine-loamy, mixed, superactive, hyperthermic Typic Natrargid

				United States Department of Agriculture
SSL	-	Project	NL71AZ003   CENT. MARICOPA	Natural Resources Conservation Service
	-	Site ID	S1971AZ013006   Lat: 33° 20' 17.00" north  Long: 112° 54' 8.99" west	National Soil Survey Center
	-	Pedon No.	71C0020	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
71C00116	A1	A11	0-5	71116			FSL	FSL
71C00117	A2	A12	5-15	71117			FSL	FSL
71C00118	Btk11	B21tca	15-19	71118			CL	COSL
71C00119	Btk12	B22tca	19-36	71119			CL	L
71C00120	Btk13	B23tca	36-56	71120			CL	L
71C00121	Btk21	B31tca	56-76	71121			SCL	COSL
71C00122	Btk22	B32tca	76-88	71122			CL	L
71C00123	Btk23	B33tca	88-111	71123			SCL	COSL
71C00124	2Bk1	2C1ca	111-127	71124			CL	SIL
71C00125	2Bk2	2C2ca	127-178	71125			CL	L

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.91	(NA)
Clay, carbonate free, Weighted Average	19	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	56	% wt
Volume, >2mm, Weighted Average	22	% vol
Clay, total, Weighted Average	22	% wt
Weighted averages based on control section: 15-65 cm

*** Primary Characterization Data ***

Pedon ID: S1971AZ013006

( Maricopa, Arizona )

Print Date: Apr 24 2025 5:51AM

Sampled As	:	Harqua		Fine-loamy, mixed Typic Natrargids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  71C0020

---

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
71C00116	0-5	A1	S	fsl	6.7	35.7	57.6			10.4	25.3	25.2	10.9	4.2	7.2	10.1	10	11	2	48	23
71C00117	5-15	A2	S	fsl	8.6	32.0	59.4			8.7	23.3	25.7	13.5	6.1	7.9	6.2	8	7	2	45	17
71C00118	15-19	Btk11	S	cosl	15.5	28.4	56.1		0.4	12.2	16.2	15.3	9.9	5.3	9.3	16.3	17	20	6	66	43
71C00119	19-36	Btk12	S	l	24.1	43.7	32.2		5.0	32.3	11.4	7.4	6.0	4.0	6.8	8.0	20	11	--	48	31
71C00120	36-56	Btk13	S	l	21.8	39.7	38.5		1.0	28.3	11.4	8.2	8.4	6.4	8.3	7.2	17	15	2	54	34
71C00121	56-76	Btk21	S	cosl	19.1	22.7	58.2		1.0	15.4	7.3	5.1	6.6	5.7	12.4	28.4	22	14	2	71	38
71C00122	76-88	Btk22	S	l	16.7	44.2	39.1		0.1	34.0	10.2	6.6	6.5	3.6	8.2	14.2	17	11	2	53	30
71C00123	88-111	Btk23	S	cosl	17.3	21.9	60.8		--	12.7	9.2	7.0	6.5	5.0	11.2	31.1	27	17	1	75	45
71C00124	111-127	2Bk1	S	sil	13.3	66.3	20.4		1.0	49.4	16.9	14.1	3.3	0.7	1.1	1.2	3	3	--	12	6
71C00125	127-178	2Bk2	GP	l	14.0	48.0	38.0		tr	21.6	26.4	27.1	9.0	1.1	0.5	0.3

---

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	%
				4A1f	4A1h			4B1c	4B1c	3C2a1a		3D1		4C1		8D1	8D1
71C00116	0-5	A1	S							5.0		1.015				1.64	0.75
71C00117	5-15	A2	S	1.50	1.53	0.006		22.7	13.1	5.5		1.015		0.10		1.38	0.64
71C00118	15-19	Btk11	S							7.5		1.015				0.93	0.48
71C00119	19-36	Btk12	S	1.48	1.60	0.021		22.4	19.0	11.6		1.015		0.09		0.68	0.48
71C00120	36-56	Btk13	S							12.0		1.027				0.77	0.55
71C00121	56-76	Btk21	S	1.17	1.31	0.030		37.0	32.1	14.0		1.027		0.17		1.16	0.73
71C00122	76-88	Btk22	S							11.5		1.027				1.05	0.69
71C00123	88-111	Btk23	S							14.3		1.027				1.26	0.83
71C00124	111-127	2Bk1	S							11.2		1.027				0.91	0.84
71C00125	127-178	2Bk2	S	1.55	1.74	0.039		25.2	20.8					0.12		1.22	0.91
71C00125	127-178	2Bk2	GP							12.8		1.027

*** Primary Characterization Data ***

Pedon ID: S1971AZ013006

( Maricopa, Arizona )

Print Date: Apr 24 2025 5:51AM

Sampled As	:	Harqua		Fine-loamy, mixed Typic Natrargids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  71C0020

---

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 - - - - -)

6B1a

6A1a

71C00116

0-5

A1

S

0.021

0.09

4

71C00117

5-15

A2

S

0.018

0.12

7

71C00118

15-19

Btk11

S

0.36

71C00119

19-36

Btk12

S

0.30

71C00120

36-56

Btk13

S

0.12

71C00121

56-76

Btk21

S

0.05

71C00122

76-88

Btk22

S

0.04

---

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	6P2a	6Q2a						5A6a			5C3	5C1
71C00116	0-5	A1	S	17.8*	1.7	0.4	1.0						11.0			100	100
71C00117	5-15	A2	S	17.4*	1.7	1.9	0.7						11.9			100	100
71C00118	15-19	Btk11	S	13.6*	1.7	6.3	0.4						14.4			100	100
71C00119	19-36	Btk12	S	15.6*	2.3	13.4	0.3						16.5			100	100
71C00120	36-56	Btk13	S	25.3*	2.9	17.6	0.3						16.7			100	100
71C00121	56-76	Btk21	S	46.3*	3.6	22.2	0.4						22.1			100	100
71C00122	76-88	Btk22	S	19.4*	3.2	19.6	0.4						17.6			100	100
71C00123	88-111	Btk23	S	20.7*	3.7	22.3	0.5						21.8			100	100
71C00124	111-127	2Bk1	S	13.6*	2.9	14.4	0.4						12.1			100	100
71C00125	127-178	2Bk2	GP	14.8*	3.4	18.3	0.5						17.1			100	100

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

*** Primary Characterization Data ***

Pedon ID: S1971AZ013006

( Maricopa, Arizona )

Print Date: Apr 24 2025 5:51AM

Sampled As	:	Harqua		Fine-loamy, mixed Typic Natrargids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  71C0020

---

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 - -)		%
				6N1a	6O1a	6P1a	6Q1a		6J1a		6K1a				6L1a			8A	8D5	8A1a			5E
71C00116	0-5	A1	S																tr	0.57		4
71C00117	5-15	A2	S																tr	0.31		16
71C00118	15-19	Btk11	S	0.4	0.5	32.3	0.2		4.6		27.4							37.0	0.1	3.88		35	48
71C00119	19-36	Btk12	S	4.7	1.5	86.8	0.1		3.4		46.4				38.5			59.2	0.4	9.18		50	49
71C00120	36-56	Btk13	S	22.8	6.1	140.0	0.1		4.0		48.6				112.0			65.7	0.8	14.81		50	37
71C00121	56-76	Btk21	S	21.7	8.2	177.0	0.1		3.8		55.6				150.0			59.7	0.9	18.07		53	46
71C00122	76-88	Btk22	S	11.4	5.4	143.0	0.2		4.2		45.1				117.2			59.9	0.7	14.42		63	49
71C00123	88-111	Btk23	S	15.4	6.2	161.0	0.2		4.2		49.6				134.8			60.8	0.8	16.27		57	49
71C00124	111-127	2Bk1	S	2.8	1.5	88.3	0.1		3.2		32.7				57.0			79.1	0.6	9.40		61	60
71C00125	127-178	2Bk2	GP	6.9	3.7	126.0	0.1		3.4		45.6				96.8			66.6	0.7	12.98		58	55

---

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	8C1b			6E1a		4E2a1a1a1
71C00116	0-5	A1	S		7.0	8.1				4
71C00117	5-15	A2	S		7.2	9.0				4
71C00118	15-19	Btk11	S		7.2	8.8	8.1			9
71C00119	19-36	Btk12	S		7.4	8.7	8.1			38
71C00120	36-56	Btk13	S		7.3	7.7	8.2			29		3
71C00121	56-76	Btk21	S		7.6	8.3	8.2			15		3
71C00122	76-88	Btk22	S		7.8	8.3	8.3			31
71C00123	88-111	Btk23	S		8.0	8.1	8.2			8		1
71C00124	111-127	2Bk1	S		7.9	8.4	8.6			44
71C00125	127-178	2Bk2	GP		7.9	8.4	8.4			9

*** Primary Characterization Data ***

Pedon ID: S1971AZ013006

( Maricopa, Arizona )

Print Date: Apr 24 2025 5:51AM

Sampled As	:	Harqua		Fine-loamy, mixed Typic Natrargids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  71C0020

---

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

8C1a

71C00118

15-19

Btk11

S

9.9

71C00119

19-36

Btk12

S

9.9

71C00120

36-56

Btk13

S

9.3

71C00121

56-76

Btk21

S

9.3

71C00122

76-88

Btk22

S

9.8

71C00123

88-111

Btk23

S

9.5

71C00124

111-127

2Bk1

S

9.8

71C00125

127-178

2Bk2

GP

9.7

*** Primary Characterization Data ***

Pedon ID: S1971AZ013006

( Maricopa, Arizona )

Print Date: Apr 24 2025 5:51AM

Sampled As	:	Harqua		Fine-loamy, mixed Typic Natrargids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  71C0020

---

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

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

71C00116

0.0-5.0

A1

tcly

MM 3

KK 1

71C00117

5.0-15.0

A2

tcly

MM 3

71C00119

19.0-36.0

Btk12

tcly

MT 3

MI 2

71C00121

56.0-76.0

Btk21

tcly

MT 3

71C00123

88.0-111.0

Btk23

tcly

MT 5

MI 3

KK 1

71C00125

127.0-178.0

2Bk2

tcly

MT 4

MM 4

KK 1

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
KK Kaolinite	MI Mica	MM Montmorillonite-Mica	MT Montmorillonite

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks