*** Primary Characterization Data ***

Pedon ID: 76CA015506

( Del Norte, California )

Print Date: Apr 21 2026 6:21AM

Sampled as :	Marpa
Revised to :

				United States Department of Agriculture
SSL	-	Project	NL40001   SSIR SAMPLES	Soil Conservation Service
	-	Site ID	76CA015506	Lincoln Soil Survey Laboratory
	-	Pedon No.	40A3379	Soil Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska

---

Layer	Horizon	Orig Hzn	Depth (cm)	Field Label 1	Field Label 2	Field Label 3	Field Texture	Lab Texture
40A26249	O	O	3-2
40A26250	A/E	A1 & A2	0-2	77T7174				SIL
40A26251	A	A3	2-15	77T7175				SIL
40A26252	B1	B1	15-40	77T7176				SICL
40A26253	Bt	B2 t	40-78	77T7177				CL
40A26254	B2	B3	78-105	77T7178				SIL

---

---

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
40A26249	3-2	O	S														--	--	--
40A26250	0-2	A/E	S	sil	13.0	63.0	24.0			55.0	8.0	7.0	7.0	3.0	3.0	4.0	--	--	--	17	--
40A26251	2-15	A	S	sil	14.0	55.0	31.0			45.0	10.0	8.0	9.0	4.0	4.0	6.0	--	--	--	23	--
40A26252	15-40	B1	S	sicl	31.0	52.0	17.0			45.0	7.0	5.0	5.0	2.0	3.0	2.0	--	--	--	12	--
40A26253	40-78	Bt	S	cl	31.0	48.0	21.0			44.0	4.0	5.0	6.0	3.0	4.0	3.0	--	--	--	16	--
40A26254	78-105	B2	S	sil	25.0	54.0	21.0			44.0	10.0	5.0	6.0	3.0	4.0	3.0	--	--	--	16	--

*** Primary Characterization Data ***

Pedon ID: 76CA015506

( Del Norte, California )

Print Date: Apr 21 2026 6:21AM

Sampled As	:	Marpa
USDA-SCS-Soil Survey Laboratory			;	Pedon No.  40A3379

---

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	%
										NK
40A26250	0-2	A/E	S							12.9							0.99
40A26251	2-15	A	S							9.7							0.69
40A26252	15-40	B1	S							14.1							0.45
40A26253	40-78	Bt	S							14.5							0.47
40A26254	78-105	B2	S							13.9						0.38	0.56

---

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 - - - - -)

NK

40A26250

0-2

A/E

S

7.78

40A26251

2-15

A

S

2.07

40A26252

15-40

B1

S

0.96

40A26253

40-78

Bt

S

0.67

40A26254

78-105

B2

S

0.44

---

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 - - -)

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

NK

NK

NK

NK

NK

NK

40A26254

78-105

B2

S

--

0.3

0.1

0.2

0.6

10.3

10.9

9.5

6

6

*** Primary Characterization Data ***

Pedon ID: 76CA015506

( Del Norte, California )

Print Date: Apr 21 2026 6:21AM

Sampled As	:	Marpa
USDA-SCS-Soil Survey Laboratory			;	Pedon No.  40A3379

---

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 - -)

%

40A26254

78-105

B2

S

1

---

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

NK

NK

40A26250

0-2

A/E

S

4.0

4.6

40A26251

2-15

A

S

4.2

4.9

40A26252

15-40

B1

S

4.4

5.2

40A26253

40-78

Bt

S

4.4

5.4

40A26254

78-105

B2

S

4.4

5.5