*** Primary Characterization Data ***

Pedon ID: S1976CA037105

( Los Angeles, California )

Print Date: Apr 18 2024 11:52AM

Sampled as on Oct 13, 1976:	Angeles Forest ; Fine-silty, mixed, thermic Typic Xerorthents
Revised to :

				United States Department of Agriculture
SSL	-	Project	NL40001   SSIR SAMPLES	Soil Conservation Service
	-	Site ID	S1976CA037105   Lat: 34° 22' 19.00" north  Long: 118° 28' 49.00" west  MLRA: 20	Lincoln Soil Survey Laboratory
	-	Pedon No.	40A3357	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
40A26162	A1	A11	0-8	77T7105				FSL
40A26163	A2	A12	8-36	77T7106				FSL
40A26164	C	C 1	36-58	77T7107				FSL
40A26165	Cr	CR	58	77T7108				FSL

---

---

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
40A26162	0-8	A1	S	fsl	11.0	31.0	58.0			15.9	15.1	14.0	17.3	9.4	11.1	6.2	--	--	--	44	--
40A26163	8-36	A2	S	fsl	7.2	34.4	58.4			15.7	18.7	14.8	18.0	9.9	10.0	5.7	--	--	--	44	--
40A26164	36-58	C	S	fsl	0.8	38.7	60.5			18.0	20.7	21.9	21.7	8.5	7.0	1.4	--	--	--	39	--
40A26165	58	Cr	S	fsl	2.4	38.0	59.6			19.2	18.8	13.7	19.2	11.1	11.1	4.5	--	--	--	46	--

---

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
40A26162	0-8	A1	S							10.3						2.38	0.94
40A26163	8-36	A2	S							9.7						3.76	1.35
40A26164	36-58	C	S							10.3
40A26165	58	Cr	S							9.7						11.58	4.04

*** Primary Characterization Data ***

Pedon ID: S1976CA037105

( Los Angeles, California )

Print Date: Apr 18 2024 11:52AM

Sampled As	:	Angeles Forest		Fine-silty, mixed, thermic Typic Xerorthents
USDA-SCS-Soil Survey Laboratory			;	Pedon No.  40A3357

---

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

40A26162

0-8

A1

S

1.29

40A26163

8-36

A2

S

0.61

40A26164

36-58

C

S

0.23

---

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

40A26162

0-8

A1

S

26.2

40A26163

8-36

A2

S

27.1

40A26164

36-58

C

S

31.1

40A26165

58

Cr

S

27.8

---

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 - -)

%

40A26162

0-8

A1

S

--

40A26163

8-36

A2

S

--

40A26164

36-58

C

S

--

40A26165

58

Cr

S

--

*** Primary Characterization Data ***

Pedon ID: S1976CA037105

( Los Angeles, California )

Print Date: Apr 18 2024 11:52AM

Sampled As	:	Angeles Forest		Fine-silty, mixed, thermic Typic Xerorthents
USDA-SCS-Soil Survey Laboratory			;	Pedon No.  40A3357

---

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

40A26162

0-8

A1

S

6.5

6.9

40A26163

8-36

A2

S

6.0

6.7

40A26164

36-58

C

S

5.7

6.4

40A26165

58

Cr

S

5.5

6.6

*** Primary Characterization Data ***

Pedon ID: S1976CA037105

( Los Angeles, California )

Print Date: Apr 18 2024 11:52AM

Sampled As	:	Angeles Forest		Fine-silty, mixed, thermic Typic Xerorthents
USDA-SCS-Soil Survey Laboratory			;	Pedon No.  40A3357

---

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

&nbsp;

&nbsp;

&nbsp;

&nbsp;

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

40A26164

36.0-58.0

C

tcly

MT 4

KK 1

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm	&nbsp;	&nbsp;	&nbsp;	&nbsp;

MINERAL INTERPRETATION:
KK Kaolinite	MT Montmorillonite	 	 	 

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks

*** Primary Characterization Data ***

Pedon ID: S1976CA037105

( Los Angeles, California )

Print Date: Apr 18 2024 11:52AM

Sampled As	:	Angeles Forest		Fine-silty, mixed, thermic Typic Xerorthents
USDA-SCS-Soil Survey Laboratory			;	Pedon No.  40A3357

---

Sand - Silt Mineralogy (2.0-0.002 mm)

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

-15-

-16-

-17-

-18-

X-Ray

Thermal

Optical

EGME

Inter

Tot Re

Grain Count

Retn

preta

Depth

Fract

 

 

 

7B1a2

 

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

40A26164

36.0-58.0

C

vfs

 

 

 

 

 

 

 

 

 

9

FP 37

FK 19

PR 10

HN 9

BT 8

QZ 7

 

 

 

 

 

 

 

 

 

 

 

CL 5

OP 2

MS 2

AR 1

ZR tr

RU tr

 

FRACTION INTERPRETATION:
vfs - Very Fine Sand 0.05-0.1 mm	 	 	 	 

MINERAL INTERPRETATION:
AR Weatherable Aggregates	BT Biotite	CL Chlorite	FK Potassium Feldspar	FP Plagioclase Feldspar
HN Hornblende	MS Muscovite	OP Opaques	PR Pyroxene	QZ Quartz
RU Rutile	ZR Zircon