*** Primary Characterization Data ***

Pedon ID: S1968AZ003003

( Cochise, Arizona )

Print Date: Jan 30 2025 4:38PM

Sampled as on Oct 14, 1968:	Casto
Revised to correlated:	Casto ; Fine-loamy, mixed, superactive, thermic Aridic Haplustalfs

				United States Department of Agriculture
SSL	-	Project	NL68AZ023   E.PIMA-SANTA CRU	Natural Resources Conservation Service
	-	Site ID	S1968AZ003003   Lat: 31° 27' 5.00" north  Long: 110° 26' 24.01" west	National Soil Survey Center
	-	Pedon No.	68C0137	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
68C00995	A	A1	0-3	68995			SCL	SL
68C00996	Bt11	B21t	3-13	68996			CL	SCL
68C00997	Bt12	B22t	13-28	68997			C	SCL
68C00998	Bt13	B23t	28-41	68998			C	SCL
68C00999	Bt2	B3 t	41-56	68999			C	SCL
68C01000	B1	C 1	56-71	681000			C	FSL
68C01001	B2	C 2	71-114	681001			SL	SL
68C01002	B3	C 3	114-152	681002			SL	FSL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	1.32	(NA)
Clay, carbonate free, Weighted Average	27	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	61	% wt
Volume, >2mm, Weighted Average	17	% vol
Clay, total, Weighted Average	27	% wt
Weighted averages based on control section: 3-53 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	3B1	3B1	3B1
68C00995	0-3	A	S	sl	13.5	14.4	72.1			6.8	7.6	13.1	27.9	13.4	13.3	4.4	8	15	49	89	73
68C00996	3-13	Bt11	S	scl	21.8	15.8	62.4			8.4	7.4	10.3	23.4	12.1	12.4	4.2	2	1	13	58	20
68C00997	13-28	Bt12	S	scl	33.7	14.8	51.5			9.0	5.8	7.6	14.6	9.5	13.6	6.2	1	3	15	55	23
68C00998	28-41	Bt13	S	scl	28.8	15.2	56.0			9.6	5.6	7.6	14.6	9.8	16.0	8.0	2	6	27	66	38
68C00999	41-56	Bt2	S	scl	21.7	18.5	59.8			12.2	6.3	9.8	16.0	9.8	15.7	8.5	1	5	26	66	35
68C01000	56-71	B1	S	fsl	16.9	24.3	58.8			15.1	9.2	13.8	16.3	7.1	13.2	8.4	7	26	35	82	69
68C01001	71-114	B2	S	sl	13.7	25.3	61.0			14.8	10.5	13.9	17.0	6.4	11.2	12.5	7	39	24	84	71
68C01002	114-152	B3	S	fsl	15.5	27.1	57.4			18.7	8.4	13.1	15.7	5.9	11.1	11.6	4	8	54	81	67

*** Primary Characterization Data ***

Pedon ID: S1968AZ003003

( Cochise, Arizona )

Print Date: Jan 30 2025 4:38PM

Sampled As	:	Casto
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  68C0137

---

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	3C2a1a		3D1		4C1		8D1	8D1
68C00995	0-3	A	S							8.5		1.039				1.36	0.63
68C00996	3-13	Bt11	S	1.34	1.58	0.049			25.3	11.6		1.039		0.16		1.22	0.53
68C00997	13-28	Bt12	S	1.30	1.57	0.056			31.2	16.8		1.039		0.16		1.16	0.50
68C00998	28-41	Bt13	S	1.23	1.53	0.057			33.4	15.7		1.039		0.17		1.28	0.55
68C00999	41-56	Bt2	S	1.21	1.37	0.033			29.9	13.3		1.039		0.16		1.67	0.61
68C01000	56-71	B1	S	1.21	1.35	0.018			32.8	13.0		1.044		0.12		2.24	0.77
68C01001	71-114	B2	S	1.26	1.30	0.005			28.4	12.1		1.044		0.09		2.64	0.88
68C01002	114-152	B3	S							14.7		1.044				2.70	0.95

---

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
68C00995	0-3	A	S	NP	NP
68C00996	3-13	Bt11	S	32.526	15
68C00998	28-41	Bt13	S	31.92	14
68C01000	56-71	B1	S	32.144	13
68C01002	114-152	B3	S	32.46599	7

*** Primary Characterization Data ***

Pedon ID: S1968AZ003003

( Cochise, Arizona )

Print Date: Jan 30 2025 4:38PM

Sampled As	:	Casto
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  68C0137

---

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		6C1a	6G7a
68C00995	0-3	A	S		0.094			1.27	14	0.8	0.1
68C00996	3-13	Bt11	S		0.091			1.24	14	0.9	0.1
68C00997	13-28	Bt12	S		0.030			0.47	16	1.1	0.2
68C00998	28-41	Bt13	S					0.36		0.9	0.2
68C00999	41-56	Bt2	S					0.20		0.9	0.1
68C01000	56-71	B1	S							0.7	0.1
68C01001	71-114	B2	S							0.6	tr
68C01002	114-152	B3	S							0.5	tr

---

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	6Q2a			6G1e		5A3a	5A6a	5A3b	5G1	5C3	5C1
68C00995	0-3	A	S	19.1*	4.9	0.1	0.5	24.6				24.6	18.4			100	100
68C00996	3-13	Bt11	S	19.6	4.2	0.2	0.5	24.5				24.5	26.5			100	92
68C00997	13-28	Bt12	S	41.6*	10.5	0.4	0.5	53.0		0.2		53.0	39.0	53.2	tr	100	100
68C00998	28-41	Bt13	S	39.2*	9.6	0.5	0.4	49.7		0.5		49.7	36.9	50.2	1	100	100
68C00999	41-56	Bt2	S	37.8*	8.2	0.5	0.3	46.8				46.8	36.3			100	100
68C01000	56-71	B1	S	38.8*	8.7	0.8	0.3	48.6				48.6	37.8			100	100
68C01001	71-114	B2	S	53.3*	4.1	0.9	0.3						36.1			100	100
68C01002	114-152	B3	S	45.6*	4.8	1.0	0.3						41.9			100	100

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

*** Primary Characterization Data ***

Pedon ID: S1968AZ003003

( Cochise, Arizona )

Print Date: Jan 30 2025 4:38PM

Sampled As	:	Casto
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  68C0137

---

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 - -)

%

8D5

8A1a

68C00995

0-3

A

S

tr

0.31

1

68C00996

3-13

Bt11

S

1

68C00997

13-28

Bt12

S

tr

0.28

1

68C00998

28-41

Bt13

S

tr

0.29

1

68C00999

41-56

Bt2

S

tr

0.23

1

68C01000

56-71

B1

S

tr

0.36

2

68C01001

71-114

B2

S

tr

0.44

2

68C01002

114-152

B3

S

tr

0.46

2

---

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				6E1a
68C00995	0-3	A	S		5.8	6.2
68C00996	3-13	Bt11	S		5.6	6.1
68C00997	13-28	Bt12	S		5.0	5.4
68C00998	28-41	Bt13	S		4.9	5.4
68C00999	41-56	Bt2	S		5.2	5.8
68C01000	56-71	B1	S		5.6	6.3
68C01001	71-114	B2	S		7.3	7.8				2
68C01002	114-152	B3	S		7.4	7.8				5

*** Primary Characterization Data ***

Pedon ID: S1968AZ003003

( Cochise, Arizona )

Print Date: Jan 30 2025 4:38PM

Sampled As	:	Casto
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  68C0137

---

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

68C00995

0.0-3.0

A

tcly

MT 4

MI 1

KK 1

68C00996

3.0-13.0

Bt11

tcly

MT 4

MI 1

KK 1

68C00998

28.0-41.0

Bt13

tcly

MT 4

68C01000

56.0-71.0

B1

tcly

MT 5

68C01002

114.0-152.0

B3

tcly

MT 5

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
KK Kaolinite	MI Mica	MT Montmorillonite

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks