*** Primary Characterization Data ***

Pedon ID: S1973CA049011

( Modoc, California )

Print Date: Nov 21 2024 1:36PM

Sampled as on May 30, 1973:	Delm
Revised to correlated:	Delma ; Clayey, smectitic, mesic, shallow Aridic Argixerolls

				United States Department of Agriculture
SSL	-	Project	NL73CA013   ALTURAS & MODOC	Natural Resources Conservation Service
	-	Site ID	S1973CA049011   Lat: 41° 28' 12.00" north  Long: 120° 40' 48.00" west  MLRA: 21	National Soil Survey Center
	-	Pedon No.	73C0102	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
73C00693	Ap	Ap	0-10	73693				FSL
73C00694	A1	A12	10-26	73694				FSL
73C00695	A2	A3	26-36	73695				SCL
73C00696	Bt	B2t	36-45	73696				C
73C00697	C	C	45-102	73697				L

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	1	(NA)
Clay, carbonate free, Weighted Average	53	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	42	% wt
Volume, >2mm, Weighted Average	11	% vol
Clay, total, Weighted Average	53	% wt
LE, Whole Soil, Summed to 1m	13	cm/m
Weighted averages based on control section: 36-45 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
73C00693	0-10	Ap	S	fsl	19.1	24.2	56.7			17.1	7.1	14.6	22.4	8.9	7.0	3.8	2	1	10	50	13
73C00694	10-26	A1	S	fsl	19.8	20.7	59.5			14.7	6.0	13.1	25.1	10.9	7.3	3.1	2	2	1	49	5
73C00695	26-36	A2	S	scl	21.5	18.9	59.6			11.8	7.1	12.9	24.2	11.0	8.3	3.2	3	2	1	50	6
73C00696	36-45	Bt	S	c	53.1	15.2	31.7			10.1	5.1	8.3	12.0	5.5	4.2	1.7	1	tr	23	42	24
73C00697	45-102	C	GP	l	10.4	37.9	51.7			26.5	11.4	15.0	12.4	5.2	9.7	9.4

*** Primary Characterization Data ***

Pedon ID: S1973CA049011

( Modoc, California )

Print Date: Nov 21 2024 1:36PM

Sampled As	:	Delm
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  73C0102

---

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
73C00693	0-10	Ap	S	1.29	1.38	0.021		22.4	19.9	10.6		1.077		0.11		1.01	0.55
73C00694	10-26	A1	S	1.31	1.40	0.022		24.7	21.6	10.6		1.077		0.14		0.94	0.54
73C00695	26-36	A2	S	1.30	1.40	0.024		27.3	23.2	11.4		1.077		0.15		0.89	0.53
73C00696	36-45	Bt	S	0.98	1.43	0.116		63.4	56.5	29.1		1.077		0.24		1.00	0.55
73C00697	45-102	C	S	1.01	1.72	0.194		61.2	55.5					0.21		5.58	3.29
73C00697	45-102	C	GP							34.2		1.077

---

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
73C00693	0-10	Ap	S		0.077			0.72	9
73C00694	10-26	A1	S		0.064			0.49	8
73C00695	26-36	A2	S		0.048			0.30	6
73C00696	36-45	Bt	S		0.067			0.58	9
73C00697	45-102	C	GP		0.032			0.24	8

---

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
73C00693	0-10	Ap	S	12.4	4.5	0.3	1.8	19.0				19.0	19.2			100	99
73C00694	10-26	A1	S	11.8	4.2	0.4	1.9	18.3				18.3	18.7			100	98
73C00695	26-36	A2	S	12.1	4.3	0.8	1.9	19.1				19.1	19.2			100	99
73C00696	36-45	Bt	S	32.8*	14.5	2.7	3.4	53.4				53.4	53.2			100	100
73C00697	45-102	C	GP	38.0*	16.0	4.1	3.5	61.6				61.6	58.0			100	100

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

*** Primary Characterization Data ***

Pedon ID: S1973CA049011

( Modoc, California )

Print Date: Nov 21 2024 1:36PM

Sampled As	:	Delm
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  73C0102

---

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 - -)

%

73C00693

0-10

Ap

S

2

73C00694

10-26

A1

S

2

73C00695

26-36

A2

S

4

73C00696

36-45

Bt

S

5

73C00697

45-102

C

GP

7

---

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

73C00693

0-10

Ap

S

6.0

6.3

73C00694

10-26

A1

S

6.2

6.4

73C00695

26-36

A2

S

6.3

6.7

73C00696

36-45

Bt

S

6.6

6.9

73C00697

45-102

C

GP

7.1

7.3