*** Primary Characterization Data ***

Pedon ID: S1972CA049024

( Modoc, California )

Print Date: Dec 4 2024 1:14PM

Sampled as on May 30, 1972:	Exel
Revised to correlated:	EXEL ; Fine-loamy, mixed Xeric Argidurids

				United States Department of Agriculture
SSL	-	Project	NL72CA012   NE CALIF	Natural Resources Conservation Service
	-	Site ID	S1972CA049024   Lat: 41° 33' 41.00" north  Long: 120° 23' 43.00" west  MLRA: 21	National Soil Survey Center
	-	Pedon No.	72C0112	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
72C00660	A1	A1	0-13	72660			L	L
72C00661	A2	A3	13-23	72661			L	L
72C00662	Bt11	B21 t	23-39	72662			CL	L
72C00663	Bt12	B22 t	39-54	72663			CL	L
72C00664	Bt2	B31 t	54-69	72664			CL	CL
72C00665	Bqm1	B32sI m	69-79	72665			C	SC
72C00666	Bqm2	C1 sI m	79-94	72666				LCOS
72C00667	Bqm3	C2 sI m	94-107	72667				LCOS

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.88	(NA)
Clay, carbonate free, Weighted Average	25	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	43	% wt
Volume, >2mm, Weighted Average	4	% vol
Clay, total, Weighted Average	25	% wt
Weighted averages based on control section: 23-69 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
72C00660	0-13	A1	S	l	13.4	35.7	50.9			21.9	13.8	9.1	15.1	7.7	10.2	8.8	6	4	1	48	11
72C00661	13-23	A2	S	l	17.7	34.8	47.5			22.0	12.8	9.9	13.9	7.1	9.7	6.9	6	4	2	45	12
72C00662	23-39	Bt11	S	l	21.8	30.3	47.9			20.3	10.0	8.5	12.7	7.0	10.1	9.6	3	3	3	45	9
72C00663	39-54	Bt12	S	l	23.4	29.4	47.2			19.2	10.2	7.7	12.1	6.8	10.1	10.5	3	1	1	43	5
72C00664	54-69	Bt2	S	cl	29.8	26.2	44.0			17.8	8.4	7.8	11.2	6.3	10.0	8.7	1	2	3	40	6
72C00665	69-79	Bqm1	S	sc	35.4	11.9	52.7			8.4	3.5	2.8	7.2	6.0	14.3	22.4	3	13	29	72	45
72C00666	79-94	Bqm2	S	lcos	8.9	9.1	82.0			7.0	2.1	3.6	10.9	10.5	20.3	36.7	9	16	49	94	74
72C00667	94-107	Bqm3	S	lcos	7.8	13.0	79.2			7.9	5.1	7.0	14.1	9.2	18.1	30.8	5	18	54	94	77

*** Primary Characterization Data ***

Pedon ID: S1972CA049024

( Modoc, California )

Print Date: Dec 4 2024 1:14PM

Sampled As	:	Exel
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  72C0112

---

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
72C00660	0-13	A1	S	0.93	1.01	0.027		22.9	19.1	9.6		1.024		0.08		1.34	0.72
72C00661	13-23	A2	S	1.42	1.49	0.015		23.3	20.3	10.3		1.024		0.13		1.03	0.58
72C00662	23-39	Bt11	S	1.33	1.43	0.023		24.7	20.8	10.9		1.024		0.13		0.90	0.50
72C00663	39-54	Bt12	S	1.43	1.56	0.029		24.4	21.1	10.9		1.024		0.14		0.88	0.47
72C00664	54-69	Bt2	S	1.45	1.60	0.032		24.1	21.1	14.7		1.024		0.09		0.85	0.49
72C00665	69-79	Bqm1	S	1.10	1.26	0.034		47.1	43.3	27.4		1.024		0.13		1.55	0.77
72C00666	79-94	Bqm2	S							20.4		1.024				5.43	2.29
72C00667	94-107	Bqm3	S							20.7		1.024				5.13	2.65

---

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
72C00660	0-13	A1	S		0.135			1.30	10	1.1	0.1
72C00661	13-23	A2	S		0.080			0.72	9	1.2	0.1
72C00662	23-39	Bt11	S		0.068			0.57	8	1.2	0.1
72C00663	39-54	Bt12	S		0.065			0.49	8	1.2	0.1
72C00664	54-69	Bt2	S		0.049			0.39	8	1.2	0.1
72C00665	69-79	Bqm1	S					0.27		1.1	0.1
72C00666	79-94	Bqm2	S					0.14		0.9	0.1
72C00667	94-107	Bqm3	S							1.1	0.1

*** Primary Characterization Data ***

Pedon ID: S1972CA049024

( Modoc, California )

Print Date: Dec 4 2024 1:14PM

Sampled As	:	Exel
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  72C0112

---

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					5A3a	5A8b			5C3	5C1
72C00660	0-13	A1	S	11.8*	4.7	0.5	1.2	18.2				18.2	18.0			100	100
72C00661	13-23	A2	S	12.6*	5.2	0.6	1.1	19.5				19.5	18.3			100	100
72C00662	23-39	Bt11	S	12.7*	7.1	0.5	0.9	21.2				21.2	19.6			100	100
72C00663	39-54	Bt12	S	13.7*	7.8	0.5	0.8	22.8				22.8	20.5			100	100
72C00664	54-69	Bt2	S	16.7*	10.1	0.7	1.0	28.5				28.5	25.4			100	100
72C00665	69-79	Bqm1	S	36.9*	20.7	1.3	2.0	60.9				60.9	54.8			100	100
72C00666	79-94	Bqm2	S	39.9*	18.4	1.4	2.2	61.9				61.9	48.3			100	100
72C00667	94-107	Bqm3	S	32.0*	14.2	1.3	1.4	48.9				48.9	40.0			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							8A	8D5	8A3a			5E
72C00660	0-13	A1	S																			3
72C00661	13-23	A2	S																			3
72C00662	23-39	Bt11	S																			3
72C00663	39-54	Bt12	S																			2
72C00664	54-69	Bt2	S																			3
72C00665	69-79	Bqm1	S																			2
72C00666	79-94	Bqm2	S	2.3	1.4	1.1	0.3		4.2		0.2							61.2	tr	0.50		3	1
72C00667	94-107	Bqm3	S	2.1	1.3	1.5	0.2		3.6		0.3							59.4	tr	0.53		3	1

*** Primary Characterization Data ***

Pedon ID: S1972CA049024

( Modoc, California )

Print Date: Dec 4 2024 1:14PM

Sampled As	:	Exel
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  72C0112

---

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
72C00660	0-13	A1	S		5.8	6.3
72C00661	13-23	A2	S		6.0	6.4
72C00662	23-39	Bt11	S		5.9	6.4
72C00663	39-54	Bt12	S		5.9	6.4
72C00664	54-69	Bt2	S		5.9	6.4
72C00665	69-79	Bqm1	S		6.6	7.0
72C00666	79-94	Bqm2	S		7.3	7.7	7.6
72C00667	94-107	Bqm3	S		7.4	8.0	7.5

---

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

72C00660

0-13

A1

S

6.4

72C00661

13-23

A2

S

6.4

72C00662

23-39

Bt11

S

7.0

72C00663

39-54

Bt12

S

7.7

72C00664

54-69

Bt2

S

8.0

72C00665

69-79

Bqm1

S

6.2

72C00666

79-94

Bqm2

S

8.0

72C00667

94-107

Bqm3

S

7.8