*** Primary Characterization Data ***

Pedon ID: S1971AZ013008

( Maricopa, Arizona )

Print Date: Dec 17 2024 10:23PM

Sampled as on Apr 11, 1971:	La Palma ; Coarse-loamy, mixed Petrocalcic Paleargids
Revised to correlated on Jul 1, 1996:	(unnamed) ; Coarse-loamy, mixed, active, hyperthermic Typic Natrargid

				United States Department of Agriculture
SSL	-	Project	NL71AZ003   CENT. MARICOPA	Natural Resources Conservation Service
	-	Site ID	S1971AZ013008   Lat: 33° 26' 28.01" north  Long: 112° 49' 48.01" west	National Soil Survey Center
	-	Pedon No.	71C0021	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
71C00126	A1	A11	0-4	71126			SL	SL
71C00127	A2	A12	4-12	71127			FSL	SL
71C00128	Btkz1	B1tcasA	12-18	71128			SL	FSL
71C00129	Btkz2	B2tcasA	18-31	71129			SCL	SCL
71C00130	Btk1	B31tca	31-42	71130			SCL	FSL
71C00131	Btk2	B32tca	42-51	71131			CL	FSL
71C00132	Bkm	C1cam	51-64	71132
71C00133	Bk	C2ca	64-82	71133			CL
71C00134	C	C 3	82-146	71134			CL	FSL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.93	(NA)
Clay, carbonate free, Weighted Average	15	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	51	% wt
Volume, >2mm, Weighted Average	5	% vol
Clay, total, Weighted Average	18	% wt
Weighted averages based on control section: 12-51 cm

*** Primary Characterization Data ***

Pedon ID: S1971AZ013008

( Maricopa, Arizona )

Print Date: Dec 17 2024 10:23PM

Sampled As	:	La Palma		Coarse-loamy, mixed Petrocalcic Paleargids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  71C0021

---

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
71C00126	0-4	A1	S	sl	4.8	33.0	62.2			10.1	22.9	16.8	14.0	11.4	14.4	5.6	2	2	1	48	5
71C00127	4-12	A2	S	sl	6.2	28.3	65.5			9.0	19.3	19.0	15.1	12.4	14.4	4.6	1	2	--	48	3
71C00128	12-18	Btkz1	S	fsl	12.0	25.0	63.0			10.3	14.7	17.4	16.7	13.1	12.7	3.1	1	2	17	56	33
71C00129	18-31	Btkz2	S	scl	20.6	17.5	61.9		6.0	8.4	9.1	9.3	16.4	15.2	16.6	4.4	2	2	--	54	4
71C00130	31-42	Btk1	S	fsl	19.0	22.6	58.4		3.0	10.0	12.6	11.1	18.2	13.8	13.0	2.3	1	3	--	49	4
71C00131	42-51	Btk2	S	fsl	16.5	26.5	57.0		1.0	11.2	15.3	13.5	19.8	12.7	9.2	1.8	tr	1	--	45	1
71C00132	51-64	Bkm	S														--	--	--
71C00133	64-82	Bk	S														--	--	--
71C00134	82-146	C	S	fsl	16.1	26.0	57.9			10.7	15.3	13.9	23.3	12.0	7.2	1.5	--	--	--	44	--

---

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
71C00126	0-4	A1	S							3.3		1.027				1.56	0.69
71C00127	4-12	A2	S	1.69	1.70	0.002		16.8	12.1	3.6		1.027		0.14		1.21	0.58
71C00128	12-18	Btkz1	S							5.7		1.027				0.72	0.48
71C00129	18-31	Btkz2	S	1.44	1.80	0.075		31.2	26.8	10.3		1.027		0.23		0.53	0.50
71C00130	31-42	Btk1	S	1.39	1.75	0.078		33.8	28.3	14.6		1.027		0.19		0.91	0.77
71C00131	42-51	Btk2	S	1.35	1.63	0.064		35.8	29.7	11.9		1.027		0.24		1.09	0.72
71C00132	51-64	Bkm	GP	2.19	2.23			8.0	7.4	5.1		1.027
71C00133	64-82	Bk	GP							9.5		1.027
71C00134	82-146	C	S	1.56	1.72	0.033		25.3	21.6	11.8		1.027		0.15		1.16	0.73

*** Primary Characterization Data ***

Pedon ID: S1971AZ013008

( Maricopa, Arizona )

Print Date: Dec 17 2024 10:23PM

Sampled As	:	La Palma		Coarse-loamy, mixed Petrocalcic Paleargids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  71C0021

---

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

71C00126

0-4

A1

S

0.044

0.37

8

71C00127

4-12

A2

S

0.011

0.04

4

71C00128

12-18

Btkz1

S

0.26

71C00129

18-31

Btkz2

S

0.12

71C00130

31-42

Btk1

S

0.08

71C00131

42-51

Btk2

S

0.08

---

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
71C00126	0-4	A1	S	8.8*	1.6	1.1	0.5						7.5			100	100
71C00127	4-12	A2	S	11.5*	1.1	2.6	1.0						7.5			100	100
71C00128	12-18	Btkz1	S	11.4*	1.2	7.0	0.2						8.6			100	100
71C00129	18-31	Btkz2	S	11.8*	1.7	15.4	0.6						11.0			100	100
71C00130	31-42	Btk1	S	10.6*	2.5	27.6	0.6						17.3			100	100
71C00131	42-51	Btk2	S	29.2*	2.5	29.7	0.6						18.0			100	100
71C00132	51-64	Bkm	GP	11.7	1.6	13.1	0.3						8.4
71C00133	64-82	Bk	GP	12.1	2.1	26.9	0.5						14.9
71C00134	82-146	C	S	5.6*	1.9	30.5	0.5						18.6			100	100

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

*** Primary Characterization Data ***

Pedon ID: S1971AZ013008

( Maricopa, Arizona )

Print Date: Dec 17 2024 10:23PM

Sampled As	:	La Palma		Coarse-loamy, mixed Petrocalcic Paleargids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  71C0021

---

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
71C00126	0-4	A1	S																tr	0.60		15
71C00127	4-12	A2	S																tr	0.93		35
71C00128	12-18	Btkz1	S	1.4	0.5	63.7	0.3		4.8		63.7							30.4	0.2	7.47		59	65
71C00129	18-31	Btkz2	S	0.7	0.3	88.9	0.2		6.3		68.9				11.7			68.8	0.5	8.79		84	126
71C00130	31-42	Btk1	S	2.0	1.1	147.0	0.3		5.3		110.0				31.2			82.6	1.0	15.36		89	118
71C00131	42-51	Btk2	S	25.7	4.4	214.0	0.4		5.7		164.0				50.0			70.7	1.4	23.70		81	55
71C00132	51-64	Bkm	GP	4.0	1.2	212.0	0.3		4.4		164.0				25.2			32.2		20.81
71C00133	64-82	Bk	GP	7.6	2.0	208.0	0.3		3.8		155.0				57.2			68.1		20.97
71C00134	82-146	C	S	1.4	1.0	147.0	0.2		4.0		120.0				24.3			89.8	1.1	15.14		93	134

---

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
71C00126	0-4	A1	S		7.1	8.2				1
71C00127	4-12	A2	S		7.4	9.1				1
71C00128	12-18	Btkz1	S		8.0	9.0	8.3			4
71C00129	18-31	Btkz2	S		8.5	9.0	8.8			14
71C00130	31-42	Btk1	S		8.2	8.8	8.7			10		--
71C00131	42-51	Btk2	S		7.9	8.1	8.5			8		2
71C00132	51-64	Bkm	GP		8.0	9.0	8.6			61
71C00133	64-82	Bk	GP		8.2	8.6	8.5			42
71C00134	82-146	C	S		7.9	8.5	8.6			1

*** Primary Characterization Data ***

Pedon ID: S1971AZ013008

( Maricopa, Arizona )

Print Date: Dec 17 2024 10:23PM

Sampled As	:	La Palma		Coarse-loamy, mixed Petrocalcic Paleargids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  71C0021

---

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

71C00128

12-18

Btkz1

S

10.0

71C00129

18-31

Btkz2

S

10.0

71C00130

31-42

Btk1

S

9.9

71C00131

42-51

Btk2

S

9.5

71C00132

51-64

Bkm

GP

10.0

71C00133

64-82

Bk

GP

9.8

71C00134

82-146

C

S

9.6

*** Primary Characterization Data ***

Pedon ID: S1971AZ013008

( Maricopa, Arizona )

Print Date: Dec 17 2024 10:23PM

Sampled As	:	La Palma		Coarse-loamy, mixed Petrocalcic Paleargids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  71C0021

---

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

71C00126

0.0-4.0

A1

tcly

MM 4

KK 2

71C00127

4.0-12.0

A2

tcly

MI 3

KK 2

71C00129

18.0-31.0

Btkz2

tcly

MT 5

MI 2

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