*** Primary Characterization Data ***

Pedon ID: S1973AZ009004

( Graham, Arizona )

Print Date: Feb 16 2025 5:54AM

Sampled as on May 30, 1973:	Tres Hermanos
Revised to SSL:	(unnamed) ; Fine-loamy, mixed, thermic Typic Durargid

				United States Department of Agriculture
SSL	-	Project	NL73AZ015   SAN SIMON	Natural Resources Conservation Service
	-	Site ID	S1973AZ009004   Lat: 32° 44' 39.39" north  Long: 109° 20' 39.31" west	National Soil Survey Center
	-	Pedon No.	73C0125	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
73C00834	A	A1	0-8	73834				FSL
73C00835	B1	B1	8-13	73835				L
73C00836	Bt	B2t	13-27	73836				L
73C00837	B2	B3	27-38	73837				CL
73C00838	Bk1	C1ca	38-49	73838				COSL
73C00839	Bkqm	C2sIcam	49-98	73839				COSL
73C00840	Bk2	C3ca	98-124	73840				COSL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.95	(NA)
Clay, carbonate free, Weighted Average	21	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	57	% wt
Volume, >2mm, Weighted Average	20	% vol
Clay, total, Weighted Average	24	% wt
Weighted averages based on control section: 13-27 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
73C00834	0-8	A	S	fsl	12.3	34.5	53.2			13.1	21.4	14.0	18.3	6.2	8.2	6.5	6	17	11	60	34
73C00835	8-13	B1	S	l	17.7	34.1	48.2			12.2	21.9	11.7	18.4	6.4	7.4	4.3	4	9	5	48	18
73C00836	13-27	Bt	S	l	24.4	30.5	45.1		3.0	13.0	17.5	10.2	14.3	5.1	6.5	9.0	9	20	5	57	34
73C00837	27-38	B2	S	cl	29.6	30.4	40.0		6.0	15.6	14.8	7.8	9.9	4.1	6.5	11.7	18	23	5	63	46
73C00838	38-49	Bk1	S														--	--	4	--	4
73C00838	38-49	Bk1	GP	cosl	15.6	24.4	60.0		6.0	14.7	9.7	7.2	10.4	7.6	14.0	20.8
73C00839	49-98	Bkqm	S														--	--	9	--	9
73C00839	49-98	Bkqm	GP	cosl	14.6	19.2	66.2		7.0	11.0	8.2	6.3	8.9	6.7	15.2	29.1
73C00840	98-124	Bk2	S	cosl	8.3	17.4	74.3		3.0	9.4	8.0	9.1	12.4	8.9	15.1	28.8	8	26	33	89	67

*** Primary Characterization Data ***

Pedon ID: S1973AZ009004

( Graham, Arizona )

Print Date: Feb 16 2025 5:54AM

Sampled As	:	Tres Hermanos
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  73C0125

---

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
73C00834	0-8	A	S							7.7		1.046				1.44	0.63
73C00835	8-13	B1	S	1.51	1.63	0.023		28.8	23.2	9.5		1.046		0.18		1.23	0.54
73C00836	13-27	Bt	S	1.25	1.33	0.017		31.6	24.7	10.3		1.046		0.14		0.84	0.42
73C00837	27-38	B2	S							12.8		1.046				0.73	0.43
73C00838	38-49	Bk1	S													0.42	0.65
73C00838	38-49	Bk1	GP							10.2		1.046
73C00839	49-98	Bkqm	S	1.51	1.54	0.006		26.2	24.4					0.11		0.48	1.16
73C00839	49-98	Bkqm	GP							17.0		1.046
73C00840	98-124	Bk2	S							13.3		1.033				1.46	1.60

---

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

73C00834

0-8

A

S

0.051

0.42

8

73C00835

8-13

B1

S

0.062

0.47

8

73C00836

13-27

Bt

S

0.062

0.59

10

73C00837

27-38

B2

S

0.63

73C00838

38-49

Bk1

GP

0.28

*** Primary Characterization Data ***

Pedon ID: S1973AZ009004

( Graham, Arizona )

Print Date: Feb 16 2025 5:54AM

Sampled As	:	Tres Hermanos
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  73C0125

---

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
73C00834	0-8	A	S	22.1*	1.5	0.2	1.2						17.7			100	100
73C00835	8-13	B1	S	31.0*	1.5	0.2	1.0						21.7			100	100
73C00836	13-27	Bt	S	33.5*	1.5	0.3	0.6						20.4			100	100
73C00837	27-38	B2	S	35.6*	2.0	0.4	0.5						21.7			100	100
73C00838	38-49	Bk1	GP	20.1*	1.5	0.7	0.2						6.5			100	100
73C00839	49-98	Bkqm	GP	21.4*	2.9	1.9	0.2						7.0			100	100
73C00840	98-124	Bk2	S	19.9*	2.9	6.5	0.6						12.1			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		6J1b		6K1c				6L1c			8A	8D5	8A3a			5E
73C00834	0-8	A	S	7.4	0.9	0.3	0.2		5.7		tr							26.1	tr	0.84		1	tr
73C00835	8-13	B1	S	4.6	0.6	0.2	0.1		3.1		0.2							33.0	tr	0.56		1	tr
73C00836	13-27	Bt	S	4.5	0.5	0.4	0.1		2.4		0.3							41.8	tr	0.56		1	tr
73C00837	27-38	B2	S	4.6	0.6	0.7	tr		2.2		0.1							52.8	tr	0.60		2	tr
73C00838	38-49	Bk1	GP																			11
73C00839	49-98	Bkqm	GP	7.0	2.8	7.8	0.1		1.9		6.3				8.1			50.7	0.1	1.87		21	4
73C00840	98-124	Bk2	S	3.3	1.2	26.6	0.1		2.1		20.4				6.6			52.6	0.1	3.69		42	18

*** Primary Characterization Data ***

Pedon ID: S1973AZ009004

( Graham, Arizona )

Print Date: Feb 16 2025 5:54AM

Sampled As	:	Tres Hermanos
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  73C0125

---

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
73C00834	0-8	A	S		7.6	8.3	7.6			1
73C00835	8-13	B1	S		7.7	8.4	7.7			5
73C00836	13-27	Bt	S		7.7	8.3	7.6			12
73C00837	27-38	B2	S		7.7	7.9	7.6			25
73C00838	38-49	Bk1	GP		7.8	8.5				68
73C00839	49-98	Bkqm	GP		7.8	8.4	7.9			40
73C00840	98-124	Bk2	S		7.8	8.7	8.1			28

---

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

73C00834

0-8

A

S

9.1

73C00835

8-13

B1

S

8.8

73C00836

13-27

Bt

S

9.0

73C00837

27-38

B2

S

9.0

73C00839

49-98

Bkqm

GP

9.2

73C00840

98-124

Bk2

S

9.5