*** Primary Characterization Data ***

Pedon ID: 81AZ027003

( La Paz, Arizona )

Print Date: Nov 24 2024 2:14AM

Sampled as on Dec 30, 1980:	Gunsight ; Loamy-skeletal, mixed, hyperthermic Typic Haplargid
Revised to :

				United States Department of Agriculture
SSL	-	Project	CP81AZ184   COLORADO RIVER INDIAN RESERVATION (AZ-CA)	Natural Resources Conservation Service
	-	Site ID	S1981AZ027003   Lat: 33° 42' 34.20" north  Long: 114° 22' 45.85" west	National Soil Survey Center
	-	Pedon No.	81P0382	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
81P02077	Ek	A2ca	0-2				L	L
81P02078	Btk	B21tca	2-10				SL	L
81P02079	Btkm	B22tcam	10-28					LCOS
81P02080	Btk	B3tca	28-65					COSL
81P02081	2Btk	2B2tBca	65-105					COSL
81P02082	3Bk	3C1ca	105-145					LCOS
81P02083	3C	3C2	154-165					COS

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.32	(NA)
Clay, carbonate free, Weighted Average	7	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	77	% wt
Volume, >2mm, Weighted Average	40	% vol
Clay, total, Weighted Average	8	% wt
Weighted averages based on control section: 2-52 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
81P02077	0-2	Ek	S	l	13.1	40.3	46.6		0.6	18.0	22.3	19.0	14.3	3.8	3.4	6.1	3	35	47	89	86
81P02078	2-10	Btk	S	l	19.4	32.3	48.3		0.3	16.9	15.4	16.1	13.3	5.7	5.4	7.8	6	14	19	59	45
81P02079	10-28	Btkm	S	lcos	2.5	23.1	74.4		3.4	13.5	9.6	13.7	15.3	10.5	13.2	21.7	14	11	27	81	56
81P02080	28-65	Btk	S	cosl	8.7	23.8	67.5		1.1	13.6	10.2	10.4	9.5	9.3	14.0	24.3	23	13	17	80	57
81P02081	65-105	2Btk	S	cosl	9.9	25.9	64.2		0.6	17.3	8.6	11.2	8.9	8.0	13.6	22.5	19	11	12	73	47
81P02082	105-145	3Bk	S	lcos	5.3	10.1	84.6		0.3	4.9	5.2	4.7	6.8	12.6	24.5	36.0	19	21	23	93	66
81P02083	154-165	3C	S	cos	2.8	4.4	92.8		0.6	1.6	2.8	2.1	3.8	14.5	34.6	37.8	18	14	17	95	53

*** Primary Characterization Data ***

Pedon ID: 81AZ027003

( La Paz, Arizona )

Print Date: Nov 24 2024 2:14AM

Sampled As	:	Gunsight		Loamy-skeletal, mixed, hyperthermic Typic Haplargid
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  81P0382

---

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	4E2a1a1a1	4C1		8D1	8D1
81P02077	0-2	Ek	S							6.8		1.017				0.99	0.52
81P02078	2-10	Btk	S	1.39	1.48	0.015			23.7	9.5		1.025		0.14		0.90	0.49
81P02079	10-28	Btkm	S							6.5		1.014
81P02080	28-65	Btk	S	1.48	1.51	0.004			15.8	4.8			1.019	0.09		0.31	0.55
81P02081	65-105	2Btk	S							4.5		1.020				0.38	0.45
81P02082	105-145	3Bk	S	1.60	1.60	--			10.3	3.3		1.010		0.05		0.42	0.62
81P02083	154-165	3C	S							1.7		1.005				0.89	0.61

---

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 - - - - - - - - - - - - - - - - - - - - - -)
				4F1	4F
81P02078	2-10	Btk	S	19	3

---

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
81P02077	0-2	Ek	S		0.015			0.21	14	0.7	0.1	tr
81P02078	2-10	Btk	S		0.018			0.16	9	0.7	0.1	tr
81P02079	10-28	Btkm	S		0.014			0.17	12	0.3	tr	tr
81P02080	28-65	Btk	S					0.18		0.3	tr	tr
81P02081	65-105	2Btk	S					0.18		0.3	tr	--
81P02082	105-145	3Bk	S					0.15		0.4	tr	tr
81P02083	154-165	3C	S					0.14		0.4	tr	tr

*** Primary Characterization Data ***

Pedon ID: 81AZ027003

( La Paz, Arizona )

Print Date: Nov 24 2024 2:14AM

Sampled As	:	Gunsight		Loamy-skeletal, mixed, hyperthermic Typic Haplargid
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  81P0382

---

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
81P02077	0-2	Ek	S	40.6*	2.3	0.2	0.6						13.0			100	100
81P02078	2-10	Btk	S	39.7*	2.7	0.3	1.2						17.5			100	100
81P02079	10-28	Btkm	S	37.2*	1.0	1.5	1.0						4.9			100	100
81P02080	28-65	Btk	S	40.4*	1.1	7.8	0.4						2.7			100	100
81P02081	65-105	2Btk	S	44.3*	1.3	10.0	0.3						3.8			100	100
81P02082	105-145	3Bk	S	36.6*	0.8	4.5	0.1						2.2			100	100
81P02083	154-165	3C	S	23.5*	0.6	3.4	0.1						2.5			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
81P02077	0-2	Ek	S	3.7	0.6	0.9	0.2	--	1.5	0.2	0.8				1.7	0.1	1.1	20.3	tr	0.58	0.25	1	1
81P02078	2-10	Btk	S																		0.21	2
81P02079	10-28	Btkm	S	40.0	4.2	22.2	2.5	--	0.9	0.4	24.4				33.6	--	14.4	40.9	0.2	5.69	3.00	12	5
81P02080	28-65	Btk	S	138.7	10.6	159.8	2.7	--	0.6	--	162.0				62.5	--	97.4	33.0	0.6	21.90	7.73	94	18
81P02081	65-105	2Btk	S	133.3	10.8	175.4	1.2	--	0.6	0.3	178.4				51.2	9.7	121.7	34.6	0.7	22.90	6.76	100*	21
81P02082	105-145	3Bk	S	87.0	6.3	108.8	0.5	--	0.6	0.4	112.6				41.9	--	76.7	27.9	0.3	14.82	3.92	66	16
81P02083	154-165	3C	S	37.0	2.6	58.5	0.3	--	0.6	0.2	54.9				16.8	--	34.3	24.4	0.2	8.50	2.92	79	13

^*ESP set to 100, Na exceeds measured exchange capacity.

*** Primary Characterization Data ***

Pedon ID: 81AZ027003

( La Paz, Arizona )

Print Date: Nov 24 2024 2:14AM

Sampled As	:	Gunsight		Loamy-skeletal, mixed, hyperthermic Typic Haplargid
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  81P0382

---

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	6E4	4E2a1a1a1		8E1
81P02077	0-2	Ek	S		7.9	8.5	7.8			9	6
81P02078	2-10	Btk	S		7.9	8.7				15	21
81P02079	10-28	Btkm	S		7.8	8.0	7.7			24	22	--
81P02080	28-65	Btk	S		8.0	8.0	7.7			19	16	1
81P02081	65-105	2Btk	S		8.0	8.0	7.7			20	18	--		290
81P02082	105-145	3Bk	S		8.1	8.1	7.8			10	6	--
81P02083	154-165	3C	S		8.1	8.2	7.8			6	4	--

*** Primary Characterization Data ***

Pedon ID: 81AZ027003

( La Paz, Arizona )

Print Date: Nov 24 2024 2:14AM

Sampled As	:	Gunsight		Loamy-skeletal, mixed, hyperthermic Typic Haplargid
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  81P0382

---

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

81P02077

0.0-2.0

Ek

tcly

MT 2

MI 2

KK 2

5.9

2.6

81P02078

2.0-10.0

Btk

tcly

MT 3

MI 2

KK 1

QZ 1

5.9

2.8

81P02080

28.0-65.0

Btk

tcly

PG 3

MT 1

KK 1

0.3

0.6

81P02083

154.0-165.0

3C

tcly

PG 3

MT 2

KK 1

0.3

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
KK Kaolinite	MI Mica	MT Montmorillonite	PG Palygorskite	QZ Quartz

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks