*** Primary Characterization Data ***

Pedon ID: S1981CA071002

( San Bernardino, California )

Print Date: Nov 24 2024 4:13AM

Sampled as on Jun 1, 1981:	Cristobal ; Loamy-skeletal, mixed, hyperthermic Typic Haplargid
Revised to correlated:	CHUCKAWALLA ; Loamy-skeletal, mixed, hyperthermic Typic Haplargids

				United States Department of Agriculture
SSL	-	Project	CP81AZ184   COLORADO RIVER INDIAN RESERVATION (AZ-CA)	Natural Resources Conservation Service
	-	Site ID	S1981CA071002     MLRA: 31	National Soil Survey Center
	-	Pedon No.	81P0378	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
81P02049	Ek	A2ca	0-3				SIL	L
81P02050	Btk	B1tca	3-9					L
81P02051	Btkz1	B21tcasA	9-19					SL
81P02052	Btkz2	B22tcasA	19-34					COSL
81P02053	Bkz	B3casA	34-60					COSL
81P02054	C1	C1	60-91					LCOS
81P02055	C2	C2	91-132					LCOS
81P02056	2C	2C3	132-185				SIL	SIL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	2.15	(NA)
Clay, carbonate free, Weighted Average	11	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	80	% wt
Volume, >2mm, Weighted Average	45	% vol
Clay, total, Weighted Average	12	% wt
Weighted averages based on control section: 3-34 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
81P02049	0-3	Ek	S	l	11.1	37.4	51.5			16.0	21.4	20.7	14.4	5.4	4.3	6.7	2	61	19	88	82
81P02050	3-9	Btk	S	l	24.1	28.7	47.2			14.1	14.6	15.4	12.0	5.1	6.5	8.2	8	13	7	51	30
81P02051	9-19	Btkz1	S	sl	4.9	24.3	70.8		1.7	10.7	13.6	17.4	18.8	11.0	10.2	13.4	9	40	16	84	66
81P02052	19-34	Btkz2	S	cosl	11.5	16.5	72.0			9.4	7.1	7.6	9.3	10.1	16.5	28.5	12	28	27	88	68
81P02053	34-60	Bkz	S	cosl	10.7	15.2	74.1			7.8	7.4	9.5	13.3	14.1	17.0	20.2	11	31	33	92	76
81P02054	60-91	C1	S	lcos	9.0	6.9	84.1			2.9	4.0	5.4	11.5	19.1	21.6	26.5	21	37	5	92	64
81P02055	91-132	C2	S	lcos	8.5	7.2	84.3			4.1	3.1	4.2	8.7	16.1	23.9	31.4	13	30	23	93	67
81P02056	132-185	2C	S	sil	8.3	51.8	39.9			20.7	31.1	25.2	8.6	2.6	2.3	1.2	1	1	--	16	2

*** Primary Characterization Data ***

Pedon ID: S1981CA071002

( San Bernardino, California )

Print Date: Nov 24 2024 4:13AM

Sampled As	:	Cristobal		Loamy-skeletal, mixed, hyperthermic Typic Haplargid
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  81P0378

---

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
81P02049	0-3	Ek	S	1.49	1.56	0.004			17.4	5.5		1.013		0.05		0.96	0.50
81P02050	3-9	Btk	S							9.8		1.024				0.87	0.41
81P02051	9-19	Btkz1	S	1.26	1.26	--			20.8	7.7		1.024		0.08		3.31	1.57
81P02052	19-34	Btkz2	S							5.4		1.018				0.72	0.47
81P02053	34-60	Bkz	S	1.54	1.57	0.002			11.1	4.7		1.015		0.03		0.49	0.44
81P02054	60-91	C1	S							3.3		1.010				0.54	0.37
81P02055	91-132	C2	S	1.59	1.63	0.004			9.7	4.1		1.012		0.04		0.72	0.48
81P02056	132-185	2C	S	1.40	1.45	0.012			18.5	6.3		1.017		0.17		1.19	0.76

---

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

81P02049

0-3

Ek

S

0.019

0.26

14

0.9

0.1

tr

81P02050

3-9

Btk

S

0.017

0.17

10

0.8

0.1

tr

81P02051

9-19

Btkz1

S

0.014

0.13

9

0.7

tr

tr

81P02052

19-34

Btkz2

S

0.14

0.7

tr

tr

81P02053

34-60

Bkz

S

0.15

0.7

tr

tr

81P02054

60-91

C1

S

0.13

0.7

tr

tr

81P02055

91-132

C2

S

0.13

0.6

tr

tr

81P02056

132-185

2C

S

0.15

0.6

tr

tr

*** Primary Characterization Data ***

Pedon ID: S1981CA071002

( San Bernardino, California )

Print Date: Nov 24 2024 4:13AM

Sampled As	:	Cristobal		Loamy-skeletal, mixed, hyperthermic Typic Haplargid
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  81P0378

---

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
81P02049	0-3	Ek	S	37.6*	2.0	0.2	0.6						10.7			100	100
81P02050	3-9	Btk	S	30.6*	2.6	0.2	1.2						20.9			100	100
81P02051	9-19	Btkz1	S	28.4*	2.3	0.9	2.0						16.2			100	100
81P02052	19-34	Btkz2	S	31.1*	1.1	3.2	0.9						8.3			100	100
81P02053	34-60	Bkz	S	41.0*	1.3	4.7	0.2						5.2			100	100
81P02054	60-91	C1	S	30.7*	1.1	4.3	0.1						4.9			100	100
81P02055	91-132	C2	S	31.6*	1.1	5.1	0.1						6.1			100	100
81P02056	132-185	2C	S	44.9*	1.9	8.6	0.1						9.9			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
81P02049	0-3	Ek	S																		0.22	2
81P02050	3-9	Btk	S																		0.14	1
81P02051	9-19	Btkz1	S																		0.21	6
81P02052	19-34	Btkz2	S	52.2	4.2	43.3	1.5	--	0.9	--	38.5				41.2	--	26.3	29.5	0.2	7.68	3.61	23	8
81P02053	34-60	Bkz	S	152.0	13.0	113.3	1.0	--	0.7	--	132.7				70.6	--	125.3	29.3	0.5	18.72	5.30	27	12
81P02054	60-91	C1	S	113.1	11.3	111.4	0.5	--	0.7	--	100.3				69.1	--	124.6	25.6	0.4	16.84	3.61	30	14
81P02055	91-132	C2	S	114.7	11.4	134.6	0.3	--	0.7	--	109.0				73.4	--	122.5	25.2	0.4	17.67	3.85	28	17
81P02056	132-185	2C	S	49.4	7.2	112.2	0.2	--	0.8	--	79.4				30.8	--	82.3	48.3	0.5	13.34	4.46	32	21

*** Primary Characterization Data ***

Pedon ID: S1981CA071002

( San Bernardino, California )

Print Date: Nov 24 2024 4:13AM

Sampled As	:	Cristobal		Loamy-skeletal, mixed, hyperthermic Typic Haplargid
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  81P0378

---

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
81P02049	0-3	Ek	S		7.8	8.4				8	5
81P02050	3-9	Btk	S		7.9	8.6				10	12
81P02051	9-19	Btkz1	S		7.9	8.6				5	8
81P02052	19-34	Btkz2	S		7.8	7.8	7.7			7	9	--
81P02053	34-60	Bkz	S		7.8	7.8	7.4			7	9	--
81P02054	60-91	C1	S		7.8	7.8	7.5			6	8	--
81P02055	91-132	C2	S		8.0	8.0	7.6			7	7	--		280
81P02056	132-185	2C	S		7.9	7.9	7.7			16	16	--

*** Primary Characterization Data ***

Pedon ID: S1981CA071002

( San Bernardino, California )

Print Date: Nov 24 2024 4:13AM

Sampled As	:	Cristobal		Loamy-skeletal, mixed, hyperthermic Typic Haplargid
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  81P0378

---

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

7A3b

7C3

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

81P02049

0.0-3.0

Ek

tcly

MT 2

MI 2

KK 2

PG 1

KK 7

4.6

2.5

81P02051

9.0-19.0

Btkz1

tcly

MI 2

MT 1

KK 1

PG 1

2.4

2.9

81P02053

34.0-60.0

Bkz

tcly

PG 3

KK 2

MI 2

MT 1

KK 3

1.6

1.1

81P02055

91.0-132.0

C2

tcly

MT 3

PG 3

KK 2

CL 1

0.4

0.2

81P02056

132.0-185.0

2C

tcly

MT 3

PG 3

KK 2

MI 1

2.6

1.1

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
CL Chlorite	KK Kaolinite	MI Mica	MT Montmorillonite	PG Palygorskite

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks