*** Primary Characterization Data ***

Pedon ID: S1978CA033024

( Lake, California )

Print Date: Nov 22 2024 2:33AM

Sampled as on Jun 1, 1978:	Phipps ; Clayey-skeletal, mixed, thermic Mollic Haploxeralf
Revised to correlated:	PHIPPS ; Fine, mixed Mollic Haploxeralfs

				United States Department of Agriculture
SSL	-	Project	CP78CA178   NAPA AND LAKE COUNTIES	Natural Resources Conservation Service
	-	Site ID	S1978CA033024   Lat: 38° 57' 1.99" north  Long: 122° 34' 45.01" west  MLRA: 15	National Soil Survey Center
	-	Pedon No.	78P0459	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
78P02570	A	A1	0-15					L
78P02571	Bt1	B21t	15-38					CL
78P02572	Bt2	B22t	38-51					CL
78P02573	C1	C1	51-104					SCL
78P02574	C2	C2	104-185					SCL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	1.1	(NA)
Clay, carbonate free, Weighted Average	36	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	55	% wt
Volume, >2mm, Weighted Average	22	% vol
Clay, total, Weighted Average	36	% wt
Weighted averages based on control section: 15-51 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
78P02570	0-15	A	S	l	24.6	30.5	44.9			17.0	13.5	8.3	11.6	7.3	9.5	8.2	10	3	4	47	17
78P02571	15-38	Bt1	S	cl	36.3	26.0	37.7			15.8	10.2	6.1	7.7	5.2	7.7	11.0	11	9	9	51	29
78P02572	38-51	Bt2	S	cl	36.1	25.9	38.0			17.2	8.7	6.4	7.5	5.0	8.6	10.5	15	19	9	61	43
78P02573	51-104	C1	S	scl	26.9	26.0	47.1			15.4	10.6	7.9	9.5	5.4	9.5	14.8	11	22	13	67	46
78P02574	104-185	C2	S	scl	24.6	22.2	53.2			12.3	9.9	7.3	9.0	6.2	12.2	18.5	16	29	14	78	59

*** Primary Characterization Data ***

Pedon ID: S1978CA033024

( Lake, California )

Print Date: Nov 22 2024 2:33AM

Sampled As	:	Phipps		Clayey-skeletal, mixed, thermic Mollic Haploxeralf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  78P0459

---

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
78P02570	0-15	A	S	1.35	1.44	0.020			19.3	11.5		1.027		0.10		1.07	0.47
78P02571	15-38	Bt1	S	1.40						16.3		1.044				1.01	0.45
78P02572	38-51	Bt2	S	1.43	1.65	0.034			28.3	18.0		1.053		0.10		1.25	0.50
78P02573	51-104	C1	S	1.40	1.63	0.035			29.1	15.8		1.050		0.13		1.63	0.59
78P02574	104-185	C2	S	1.50						14.9		1.047				1.71	0.61

---

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
78P02572	38-51	Bt2	S	51	23
78P02573	51-104	C1	S	43	17

---

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 - - - - -)

6A1c

78P02570

0-15

A

S

1.74

78P02571

15-38

Bt1

S

0.75

78P02572

38-51

Bt2

S

0.38

78P02573

51-104

C1

S

0.16

78P02574

104-185

C2

S

0.14

*** Primary Characterization Data ***

Pedon ID: S1978CA033024

( Lake, California )

Print Date: Nov 22 2024 2:33AM

Sampled As	:	Phipps		Clayey-skeletal, mixed, thermic Mollic Haploxeralf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  78P0459

---

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		6H2b			5A3a	5A8a			5C3	5C1
78P02570	0-15	A	S	16.3	6.8	0.1	0.6	23.8	6.9			30.7	26.4			78	90
78P02571	15-38	Bt1	S	20.2	12.6	0.1	0.4	33.3	7.1			40.4	36.7			82	91
78P02572	38-51	Bt2	S	24.0	18.2	0.2	0.2	42.6	6.9			49.5	45.2			86	94
78P02573	51-104	C1	S	20.8	20.7	0.2	0.2	41.9	5.4			47.3	43.9			89	95
78P02574	104-185	C2	S	18.5	22.7	0.2	0.2	41.6	5.3			46.9	42.0			89	99

---

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 - -)

%

78P02570

0-15

A

S

tr

78P02571

15-38

Bt1

S

tr

78P02572

38-51

Bt2

S

tr

78P02573

51-104

C1

S

tr

78P02574

104-185

C2

S

tr

---

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

78P02570

0-15

A

S

5.8

6.7

78P02571

15-38

Bt1

S

5.6

6.3

78P02572

38-51

Bt2

S

5.4

6.3

78P02573

51-104

C1

S

5.5

6.6

78P02574

104-185

C2

S

5.5

6.4

*** Primary Characterization Data ***

Pedon ID: S1978CA033024

( Lake, California )

Print Date: Nov 22 2024 2:33AM

Sampled As	:	Phipps		Clayey-skeletal, mixed, thermic Mollic Haploxeralf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  78P0459

---

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

78P02570

0.0-15.0

A

tcly

VR 2

MI 1

MT 1

KK 1

14.3

1.6

78P02572

38.0-51.0

Bt2

tcly

VR 4

MT 3

KK 1

KK 10

14.3

0.9

78P02573

51.0-104.0

C1

tcly

MT 3

VR 3

MI 1

KK 1

17.2

1.1

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
KK Kaolinite	MI Mica	MT Montmorillonite	VR Vermiculite

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks