*** Primary Characterization Data ***

Pedon ID: 81AZ027006

( La Paz, Arizona )

Print Date: Nov 21 2024 3:33PM

Sampled as on Jan 30, 1981:	Superstition ; Sandy, mixed Typic Calciorthids
Revised to :

				United States Department of Agriculture
SSL	-	Project	CP81AZ184   COLORADO RIVER INDIAN RESERVATION (AZ-CA)	Natural Resources Conservation Service
	-	Site ID	S1981AZ027006   Lat: 34° 7' 21.99" north  Long: 114° 15' 0.99" west	National Soil Survey Center
	-	Pedon No.	81P0385	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
81P02097	A	A1	0-2					LS
81P02098	B1	B21	2-8					S
81P02099	B2	B22	8-19					LS
81P02100	Bk1	B3ca	19-32					LS
81P02101	Bk2	C1ca	32-60					LS
81P02102	Bk3	C2ca	60-85					LS
81P02103	Bk4	C3ca	85-130					LS
81P02104	C	C4	130-160					S

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.45	(NA)
Clay, carbonate free, Weighted Average	5	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	73	% wt
Volume, >2mm, Weighted Average	1	% vol
Clay, total, Weighted Average	7	% wt
Weighted averages based on control section: 25-100 cm

---

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
81P02097	0-2	A	S	ls	4.4	13.1	82.5			1.6	11.5	16.6	34.9	24.7	4.6	1.7	1	3	31	78	35
81P02098	2-8	B1	S	s	4.0	6.9	89.1			--	6.9	18.3	42.6	23.2	4.2	0.8	1	1	--	71	2
81P02099	8-19	B2	S	ls	8.1	5.5	86.4		1.7	--	5.5	10.9	41.3	28.9	4.3	1.0	1	1	--	76	2
81P02100	19-32	Bk1	S	ls	6.9	12.0	81.1		1.7	3.2	8.8	11.5	33.8	30.6	4.5	0.7	1	1	--	70	2
81P02101	32-60	Bk2	S	ls	8.5	9.4	82.1		2.8	4.0	5.4	13.1	41.4	24.5	2.6	0.5	1	1	--	70	2
81P02102	60-85	Bk3	S	ls	7.7	9.5	82.8		2.8	4.9	4.6	10.9	43.0	25.1	2.1	1.7	2	1	--	73	3
81P02103	85-130	Bk4	S	ls	4.4	13.2	82.4		1.7	--	13.2	5.1	41.8	31.0	3.9	0.6	tr	tr	1	78	1
81P02104	130-160	C	S	s	0.8	2.1	97.1		1.1	--	2.1	1.7	28.4	56.1	8.3	2.6	1	1	3	96	5

*** Primary Characterization Data ***

Pedon ID: 81AZ027006

( La Paz, Arizona )

Print Date: Nov 21 2024 3:33PM

Sampled As	:	Superstition		Sandy, mixed Typic Calciorthids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  81P0385

---

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
81P02097	0-2	A	S							2.0		1.004				0.82	0.45
81P02098	2-8	B1	S							2.0		1.004				0.88	0.50
81P02099	8-19	B2	S	1.64	1.65	0.002			4.1	3.1		1.006		0.02		0.52	0.38
81P02100	19-32	Bk1	S							2.7		1.006				0.39	0.39
81P02101	32-60	Bk2	S							2.9		1.007				0.28	0.34
81P02102	60-85	Bk3	S	1.55	1.61	0.013			14.0	2.8		1.007		0.17		0.26	0.36
81P02103	85-130	Bk4	S							1.7		1.003				0.32	0.39
81P02104	130-160	C	S	1.69	1.69	--			4.1	0.9		1.002		0.05

---

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

81P02099

8-19

B2

S

NP

---

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

6D2a

81P02097

0-2

A

S

0.014

0.11

8

0.4

tr

tr

81P02098

2-8

B1

S

0.012

0.07

6

0.5

tr

tr

81P02099

8-19

B2

S

0.015

0.07

5

0.3

tr

--

81P02100

19-32

Bk1

S

0.07

0.3

tr

tr

81P02101

32-60

Bk2

S

0.08

0.3

tr

tr

81P02102

60-85

Bk3

S

0.07

0.3

tr

tr

81P02103

85-130

Bk4

S

0.05

0.3

tr

tr

81P02104

130-160

C

S

0.03

0.3

tr

tr

*** Primary Characterization Data ***

Pedon ID: 81AZ027006

( La Paz, Arizona )

Print Date: Nov 21 2024 3:33PM

Sampled As	:	Superstition		Sandy, mixed Typic Calciorthids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  81P0385

---

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
81P02097	0-2	A	S	21.0*	0.8	0.1	0.2						3.6			100	100
81P02098	2-8	B1	S	17.1*	0.7	0.2	0.2						3.5			100	100
81P02099	8-19	B2	S	22.3*	0.8	0.3	0.3						4.2			100	100
81P02100	19-32	Bk1	S	26.6*	0.7	0.1	0.2						2.7			100	100
81P02101	32-60	Bk2	S	28.8*	0.6	0.2	0.1						2.4			100	100
81P02102	60-85	Bk3	S	29.3*	0.7	0.1	0.1						2.0			100	100
81P02103	85-130	Bk4	S	27.4*	0.9	0.2	tr						1.4			100	100
81P02104	130-160	C	S	24.5*	0.9	0.3	0.1						1.1			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 - -)		%
				6N1b	6O1b	6P1b	6Q1b	6I1b	6J1b	6U1a	6K1c				6L1c	6W1a	6M1c	8A	8D5	8A3a	4F1a1a1		5E
81P02097	0-2	A	S	4.1	0.6	0.7	0.3	--	4.2	tr	0.4				0.9	tr	--	20.3	tr	0.54	0.29	2	tr
81P02098	2-8	B1	S																		0.17	6
81P02099	8-19	B2	S																		0.15	7
81P02100	19-32	Bk1	S																		0.14	4
81P02101	32-60	Bk2	S																		0.14	8
81P02102	60-85	Bk3	S																		0.16	5
81P02103	85-130	Bk4	S																		0.16	14
81P02104	130-160	C	S																		0.18	27

*** Primary Characterization Data ***

Pedon ID: 81AZ027006

( La Paz, Arizona )

Print Date: Nov 21 2024 3:33PM

Sampled As	:	Superstition		Sandy, mixed Typic Calciorthids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  81P0385

---

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		4E2a1a1a1
81P02097	0-2	A	S		7.9	8.5	8.0			3
81P02098	2-8	B1	S		7.9	8.6				2		--
81P02099	8-19	B2	S		7.9	8.6				6		--
81P02100	19-32	Bk1	S		7.9	8.6				7
81P02101	32-60	Bk2	S		7.9	8.5				11
81P02102	60-85	Bk3	S		7.8	8.5				17
81P02103	85-130	Bk4	S		7.9	8.8				10
81P02104	130-160	C	S		7.9	8.9				7

*** Primary Characterization Data ***

Pedon ID: 81AZ027006

( La Paz, Arizona )

Print Date: Nov 21 2024 3:33PM

Sampled As	:	Superstition		Sandy, mixed Typic Calciorthids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  81P0385

---

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

7C3

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

81P02099

8.0-19.0

B2

tcly

PG 1

MT 1

KK 1

3.1

2.2

81P02102

60.0-85.0

Bk3

tcly

PG 3

MT 1

KK 1

CA 1

0.1

0.7

81P02104

130.0-160.0

C

tcly

PG 3

MT 1

KK 1

CA 1

0.4

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
CA Calcite	KK Kaolinite	MT Montmorillonite	PG Palygorskite

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks

*** Primary Characterization Data ***

Pedon ID: 81AZ027006

( La Paz, Arizona )

Print Date: Nov 21 2024 3:33PM

Sampled As	:	Superstition		Sandy, mixed Typic Calciorthids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  81P0385

---

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

81P02097

0.0-2.0

A

vfs

55

QZ 46

FP 18

FK 13

AR 6

OP 5

RE 4

HN 2

BT 2

GA 1

CA 1

CB 1

EP 1

GN tr

MS tr

81P02104

130.0-160.0

C

vfs

50

QZ 42

FP 12

CB 11

FK 9

CA 7

AR 5

RE 4

OP 4

BT 2

HN 1

EP 1

GA 1

GN tr

ZR tr

GS tr

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

MINERAL INTERPRETATION:
AR Weatherable Aggregates	BT Biotite	CA Calcite	CB Carbonate Aggregates	EP Epidote
FK Potassium Feldspar	FP Plagioclase Feldspar	GA Glass Aggregates	GN Garnet	GS Glass
HN Hornblende	MS Muscovite	OP Opaques	QZ Quartz	RE Resistant Minerals
ZR Zircon

*** Primary Characterization Data ***

Pedon ID: 81AZ027006

( La Paz, Arizona )

Print Date: Nov 21 2024 3:33PM

Sampled As	:	Superstition		Sandy, mixed Typic Calciorthids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  81P0385

---

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

7B

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

81P02097

0.0-2.0

A

vfs

55

QZ 46

FP 18

FK 13

AR 6

OP 5

RE 4

HN 2

BT 2

GA 1

CA 1

CB 1

EP 1

GN tr

MS tr