*** Primary Characterization Data ***

Pedon ID: S1974AZ019010

( Pima, Arizona )

Print Date: Dec 18 2024 1:35AM

Sampled as on Dec 18, 1974:	Pima
Revised to correlated:	RIVEROAD ; Fine-silty, mixed, calcareous Anthropic Torrifluvents

				United States Department of Agriculture
SSL	-	Project	NL74AZ019   PIMA CO.,E. PART	Natural Resources Conservation Service
	-	Site ID	S1974AZ019010   Lat: 32° 7' 46.00" north  Long: 111° 0' 4.01" west  MLRA: 40	National Soil Survey Center
	-	Pedon No.	74C0181	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
74C01073	Ap1	Ap	0-8	741073				SICL
74C01074	Ap2	Ap2	8-30	741074				SICL
74C01075	A1	A13	30-51	741075				SICL
74C01076	A2	A14	51-66	741076				SICL
74C01077	A3	A15	66-89	741077				CL
74C01078	A4	A16	89-119	741078				L
74C01079	C	C	119-152	741079				L

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.93	(NA)
Clay, carbonate free, Weighted Average	34	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	8	% wt
Volume, >2mm, Weighted Average	1	% vol
Clay, total, Weighted Average	34	% 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
74C01073	0-8	Ap1	S	sicl	36.3	57.9	5.8			43.4	14.5	3.9	1.4	0.3	0.2	--	--	--	--	2	--
74C01074	8-30	Ap2	S	sicl	39.6	55.7	4.7		--	42.8	12.9	3.1	1.0	0.3	0.3	--	17	--	--	18	17
74C01075	30-51	A1	S	sicl	39.5	55.7	4.8		--	43.2	12.5	3.2	1.0	0.2	0.3	0.1	--	--	--	2	--
74C01076	51-66	A2	S	sicl	33.1	53.0	13.9			36.8	16.2	6.7	3.4	1.5	1.6	0.7	--	--	--	7	--
74C01077	66-89	A3	S	cl	32.2	46.6	21.2			32.9	13.7	10.5	5.5	1.9	2.4	0.9	--	--	--	11	--
74C01078	89-119	A4	S	l	23.1	36.4	40.5		--	17.6	18.8	29.9	8.6	1.0	0.7	0.3	--	--	--	11	--
74C01079	119-152	C	S	l	23.3	42.8	33.9		--	23.9	18.9	23.9	7.9	1.0	0.9	0.2	--	--	--	10	--

*** Primary Characterization Data ***

Pedon ID: S1974AZ019010

( Pima, Arizona )

Print Date: Dec 18 2024 1:35AM

Sampled As	:	Pima
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  74C0181

---

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	4B1c	3C2a1a		3D1		4C1		8D1	8D1
74C01073	0-8	Ap1	S							15.4		1.042				0.95	0.42
74C01074	8-30	Ap2	S	1.25	1.51	0.059		39.4	33.9	16.5		1.042		0.20		0.89	0.42
74C01075	30-51	A1	S							17.2		1.042				0.93	0.44
74C01076	51-66	A2	S	1.30	1.50	0.049		41.0	33.8	15.0		1.042		0.24		0.94	0.45
74C01077	66-89	A3	S							15.2		1.042				0.95	0.47
74C01078	89-119	A4	S							10.5		1.042				0.90	0.45
74C01079	119-152	C	S	1.38	1.49	0.026		34.9	27.6	11.6		1.042		0.22		0.95	0.50

---

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
74C01076	51-66	A2	S	42.01099	18
74C01079	119-152	C	S	31.64799	11

---

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
74C01073	0-8	Ap1	S		0.161			1.69	10
74C01074	8-30	Ap2	S		0.134			1.34	10
74C01075	30-51	A1	S		0.106			1.18	11
74C01076	51-66	A2	S		0.081			0.97	12
74C01077	66-89	A3	S		0.079			0.78	10
74C01078	89-119	A4	S		0.032			0.35	11

*** Primary Characterization Data ***

Pedon ID: S1974AZ019010

( Pima, Arizona )

Print Date: Dec 18 2024 1:35AM

Sampled As	:	Pima
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  74C0181

---

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
74C01073	0-8	Ap1	S	25.9*	8.8	0.7	3.9						34.5			100	100
74C01074	8-30	Ap2	S	44.4*	8.8	2.2	3.0						35.4			100	100
74C01075	30-51	A1	S	61.4*	10.4	2.2	2.7						36.7			100	100
74C01076	51-66	A2	S	40.9*	7.3	2.1	2.5						31.2			100	100
74C01077	66-89	A3	S	89.1*	12.9	2.1	2.4						30.7			100	100
74C01078	89-119	A4	S	35.3*	5.6	1.9	1.8						20.8			100	100
74C01079	119-152	C	S	35.3*	6.1	2.2	1.8						22.2			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		6K1c				6L1c			8A	8D5	8A3a			5E
74C01073	0-8	Ap1	S	8.1	2.3	1.9	1.2	0.6	9.7		1.3							60.2	tr	1.20		2	1
74C01074	8-30	Ap2	S	14.5	4.6	8.2	1.2	1.9	6.4		3.5				9.5			64.3	0.1	2.71		5	3
74C01075	30-51	A1	S	5.2	1.9	5.2	0.5	0.5	4.8		1.3				7.3			70.8	0.1	1.29		5	3
74C01076	51-66	A2	S	4.4	1.6	4.9	0.6	0.6	4.8		1.3				6.2			62.3	tr	1.16		6	3
74C01077	66-89	A3	S	4.2	1.5	5.2	0.5	0.4	3.8		1.3				7.0			57.8	tr	1.18		6	3
74C01078	89-119	A4	S	4.5	1.8	6.5	0.6	0.3	2.9		1.4				10.4			48.1	tr	1.39		8	4
74C01079	119-152	C	S	5.3	2.2	7.5	0.6	0.4	3.0		2.4				12.3			46.1	tr	1.66		8	4

*** Primary Characterization Data ***

Pedon ID: S1974AZ019010

( Pima, Arizona )

Print Date: Dec 18 2024 1:35AM

Sampled As	:	Pima
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  74C0181

---

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
74C01073	0-8	Ap1	S		7.7	8.0	7.6			3
74C01074	8-30	Ap2	S		7.7	8.0	7.4			3
74C01075	30-51	A1	S		7.7	8.2	7.4			3
74C01076	51-66	A2	S		7.8	8.0	7.6			3
74C01077	66-89	A3	S		7.7	8.2	7.5			4
74C01078	89-119	A4	S		7.8	8.2	7.6			5
74C01079	119-152	C	S		7.7	8.1	7.5			2

---

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

NK

74C01073

0-8

Ap1

S

8.9

74C01074

8-30

Ap2

S

8.8

74C01075

30-51

A1

S

9.1

74C01076

51-66

A2

S

9.1

74C01077

66-89

A3

S

9.2

74C01078

89-119

A4

S

9.3

74C01079

119-152

C

S

9.2