*** Primary Characterization Data ***

Pedon ID: Converse Flats (CF) pit 2

( San Bernardino, California )

Print Date: Dec 8 2025 12:46PM

Sampled as :	Elliott ; Mixed Typic Xerorthent
Revised to correlated:	Elliott ; Fine, illitic, mesic Aquic Argiudolls

				United States Department of Agriculture
SSL	-	Project	C2007USCA132   San Bernardino National Forest	Natural Resources Conservation Service
	-	Site ID	Converse Flats (CF) pit 2     MLRA: 110	National Soil Survey Center
	-	Pedon No.	07N0773	Kellogg 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
07N04700			0-10	Converse Flats (CV) pit 2-1				LCOS
07N04701			10-20	Converse Flats (CV) pit 2-2				LCOS
07N04702			20-40	Converse Flats (CV) pit 2-3				LCOS
07N04703			40-80	Converse Flats (CV) pit 2-4				LCOS
07N04707	L	L		Converse Flats (CV) pit 2-8
07N04704	A1	A1	0-18	Converse Flats (CV) pit 2-5			GRC-LS	LCOS
07N04705	A2	A2	18-50	Converse Flats (CV) pit 2-6			GRC-SL	LCOS
07N04706	C	C	50	Converse Flats (CV) pit 2-7			GRC-LS	LCOS

---

---

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
07N04700	0-10		S	lcos	3.3	16.4	80.3			8.4	8.0	10.1	18.6	18.8	20.4	12.4	11	10	7	79	28
07N04701	10-20		S	lcos	1.9	16.1	82.0			7.6	8.5	11.0	19.6	20.3	18.8	12.3	12	18	4	81	34
07N04702	20-40		S	lcos	2.9	16.7	80.4			7.9	8.8	9.6	19.6	19.2	19.5	12.5	12	10	--	77	22
07N04703	40-80		S	lcos	2.4	17.0	80.6			8.1	8.9	10.7	17.7	18.3	18.4	15.5	12	8	--	76	20
07N04707		L	S														2	5	--	--	7
07N04704	0-18	A1	S	lcos	2.8	19.0	78.2			9.9	9.1	10.1	18.6	20.2	17.7	11.6	12	10	2	76	48
07N04705	18-50	A2	S	lcos	2.6	15.6	81.8			7.7	7.9	10.3	18.6	18.7	19.3	14.9	12	13	--	79	34
07N04706	50	C	S	lcos	2.6	17.4	80.0			8.2	9.2	8.8	18.7	18.7	18.9	14.9	14	10	--	78	24

*** Primary Characterization Data ***

Pedon ID: Converse Flats (CF) pit 2

( San Bernardino, California )

Print Date: Dec 8 2025 12:46PM

Sampled As	:	Elliott		Mixed Typic Xerorthent
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  07N0773

---

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	%
										3C2a1a		3D1
07N04700	0-10		S							5.3		1.008				2.58	1.61
07N04701	10-20		S							3.2		1.005				2.63	1.68
07N04702	20-40		S							2.4		1.004				1.31	0.83
07N04703	40-80		S							2.4		1.004				1.42	1.00
07N04707		L	S							44.0		1.032
07N04704	0-18	A1	S							5.8		1.010				3.39	2.07
07N04705	18-50	A2	S							2.8		1.005				1.73	1.08
07N04706	50	C	S							2.6		1.004				1.69	1.00

---

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 - - - - -)
				4H2a	4H2a	4H2a				4G1	4G1	4G1		4G2	4G2	4G2	4G2	4G2
07N04700	0-10		S	2.07	0.36	--	2.1		6	0.2	tr	tr	0.70	0.13	0.62	0.39	0.10	400.5
07N04701	10-20		S	1.01	0.14	--	1.0		7	0.2	tr	tr	0.37	0.07	0.45	0.15	0.08	320.6
07N04702	20-40		S	0.54	0.06	tr	0.5		10	0.2	tr	tr	0.33	0.03	0.40	0.13	0.08	285.4
07N04703	40-80		S	0.45	0.05	--	0.5		10	0.2	--	tr	0.32	0.03	0.44	0.10	0.07	207.4
07N04707		L	S	22.58	0.71	--	22.6		32
07N04704	0-18	A1	S	2.73	0.19	0.01	2.7		15	0.2	tr	0.1	0.30	0.15	0.39	0.10	0.06	197.3
07N04705	18-50	A2	S	0.82	0.09	--	0.8		10	0.2	tr	tr	0.47	0.05	0.54	0.20	0.18	424.9
07N04706	50	C	S	0.71	0.05	--	0.7		14	0.2	--	tr	0.49	0.05	0.55	0.21	0.17	384.2

*** Primary Characterization Data ***

Pedon ID: Converse Flats (CF) pit 2

( San Bernardino, California )

Print Date: Dec 8 2025 12:46PM

Sampled As	:	Elliott		Mixed Typic Xerorthent
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  07N0773

---

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 - - -)			(- - - - - - - - % - - - - - - - -)
				4B1a1a	4B1a1a	4B1a1a	4B1a1a		4B2b1a1	4B3a1a	4B3a1a		4B1a1a
07N04700	0-10		S	6.6	0.8	tr	0.3	7.7	6.4			14.1	8.5			55	91
07N04701	10-20		S	2.5	0.5	tr	0.2	3.2	4.9	0.1	0.6	8.1	5.0	3.3	3	40	64
07N04702	20-40		S	1.1	0.5	tr	0.2	1.8	4.8	0.4	0.6	6.6	3.8	2.2	18	27	47
07N04703	40-80		S	1.4	0.5	tr	0.2	2.1	3.7	0.2	0.5	5.8	3.4	2.3	9	36	62
07N04704	0-18	A1	S	8.1	0.9	tr	0.3	9.3	7.1			16.4	9.5			57	98
07N04705	18-50	A2	S	1.7	0.6	tr	0.2	2.5	5.6	0.3	0.7	8.1	4.5	2.8	11	31	56
07N04706	50	C	S	2.0	0.5	tr	0.3	2.8	4.1	0.2	1.2	6.9	4.4	3.0	7	41	64

---

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 - -)

%

07N04700

0-10

S

1

07N04701

10-20

S

1

07N04702

20-40

S

1

07N04703

40-80

S

1

07N04704

0-18

A1

S

tr

07N04705

18-50

A2

S

1

07N04706

50

C

S

1

*** Primary Characterization Data ***

Pedon ID: Converse Flats (CF) pit 2

( San Bernardino, California )

Print Date: Dec 8 2025 12:46PM

Sampled As	:	Elliott		Mixed Typic Xerorthent
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  07N0773

---

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			4C1a1a1
07N04700	0-10		S		5.4	6.1			7.6
07N04701	10-20		S		4.8	5.7			7.7
07N04702	20-40		S		4.6	5.6			7.7
07N04703	40-80		S		4.9	5.6			7.7
07N04704	0-18	A1	S		5.6	6.2			7.6
07N04705	18-50	A2	S		4.6	5.4			7.7
07N04706	50	C	S		4.8	5.2			7.7

---

Organic				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	-17-
				Mineral	OM	OM+	(- Total -)			Fiber Content		NaPyro	Decomp	Limnic	(- - pH - -)		(- - Bulk Density - -)			Proj
	Depth			Content	TC*1.724	Min	C	N	C/N	Unrub	Rub	Color	State	Matter	CaCl2	H2O	33 kPa	33 kPa rewet	OD	Subs
Layer	(cm)	Horz	Prep	(- - - - - - - - % - - - - - - - -)					ratio	% (by vol)								g cm-3		cm cm-1
				5A			4H2a	4H2a								4C1a2a
07N04700	0-10		S				2.07	0.36	6							6.1				18
07N04701	10-20		S				1.01	0.14	7							5.7				22
07N04702	20-40		S				0.54	0.06	10							5.6				13
07N04703	40-80		S				0.45	0.05	10							5.6				12
07N04707		L	S		39	84	22.58	0.71	32											4
07N04707		L	MW	45
07N04704	0-18	A1	S				2.73	0.19	15							6.2				12
07N04705	18-50	A2	S				0.82	0.09	10							5.4				14
07N04706	50	C	S				0.71	0.05	14							5.2				15

*** Primary Characterization Data ***

Pedon ID: Converse Flats (CF) pit 2

( San Bernardino, California )

Print Date: Dec 8 2025 12:46PM

Sampled As	:	Elliott		Mixed Typic Xerorthent
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  07N0773

---

Phosphorous				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-
					(- - - - - - - - - - - - - - - - - - - - - - - Phosphorous - - - - - - - - - - - - - - - - - - - - -)										KCl
				Melanic	NZ	Acid	Anion Exch Resin		Bray	Bray	Olsen	H2O	Citric	Mehlich	Extr
	Depth			Index		Oxal	Available	Capacity	1	2			Acid	III	NO3
Layer	(cm)	Horz	Prep		%	(- - - - - - - - - - - - - - - - - - - - - - - - - - - mg kg-1 - - - - - - - - - - - - - - - - - - - -)
					4D8a1	4G2
07N04700	0-10		S		12	616.0
07N04701	10-20		S		12	318.5
07N04702	20-40		S		13	232.7
07N04703	40-80		S		11	536.1
07N04704	0-18	A1	S		12	357.8
07N04705	18-50	A2	S		12	335.0
07N04706	50	C	S		9	302.9

---

Trace Elements Tier 1				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-
	Depth			Ag	As	Ba	Be	Cd	Co	Cr	Cu	Mn	Mo		Hg
Layer	(cm)	Horz	Prep	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg		ug/kg
				4H1a	4H1a	4H1a	4H1a	4H1a	4H1a	4H1a	4H1a	4H1a	4H1a		4H1a
07N04700	0-10		HM	0.27	0.13	73.49	0.51	--	6.92	18.29	4.91	582.79	--		17
07N04704	0-18	A1	HM	0.31	--	74.93	0.51	--	7.09	18.31	5.23	698.97	--		24

---

Trace Elements Tier 2				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-
	Depth			Ni	P	Pb	Sb	Se	Sn	Sr	Tl	V	W	Zn
Layer	(cm)	Horz	Prep	mg/kg	mg/kg	mg/kg	mg/kg	ug/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg
				4H1a	4H1a	4H1a	4H1a	4H1a	4H1a			4H1a	4H1a	4H1a
07N04700	0-10		HM	9.05	204.37	7.00	0.79	710.88	--			28.00	--	52.55
07N04704	0-18	A1	HM	9.88	232.47	11.08	0.71	630.40	--			28.89	--	57.98

*** Primary Characterization Data ***

Pedon ID: Converse Flats (CF) pit 2

( San Bernardino, California )

Print Date: Dec 8 2025 12:46PM

Sampled As	:	Elliott		Mixed Typic Xerorthent
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  07N0773

---

Major Elements				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-
	Depth			Al	Ca	Fe	K	Mg	Mn	Na	P	Si	Sr	Ti	Zr
Layer	(cm)	Horz	Prep	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg
				4H1b	4H1b	4H1b	4H1b	4H1b	4H1b	4H1b	4H1b	4H1b	4H1b	4H1b	4H1b
07N04700	0-10		HM	62551	8306	21463	27164	5025	662	25234	270	305210	222	2399	23
07N04704	0-18	A1	HM	59409	8868	22718	26409	4777	797	24914	299	299593	214	2566	33

^1,1 Multiple values present due to instrumentation or analyzed size fraction. See laboratory for more information.

*** Primary Characterization Data ***

Pedon ID: Converse Flats (CF) pit 2

( San Bernardino, California )

Print Date: Dec 8 2025 12:46PM

Sampled As	:	Elliott		Mixed Typic Xerorthent
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  07N0773

---

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

7A1a1

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

07N04705

18.0-50.0

A2

tcly

MI 3

KK 2

FD 1

CMIX

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
FD Feldspar	KK Kaolinite	MI Mica

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks

INTERPRETATION (BY HORIZON):
CMIX - Mixed Clay

*** Primary Characterization Data ***

Pedon ID: Converse Flats (CF) pit 2

( San Bernardino, California )

Print Date: Dec 8 2025 12:46PM

Sampled As	:	Elliott		Mixed Typic Xerorthent
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  07N0773

---

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
07N04705	18.0-50.0	A2	fs										40	QZ 39	BT 28	FK 19	MS 9	HN 2	AR 1		SMIX
														OP 1	PR tr	GN tr

FRACTION INTERPRETATION:
fs - Fine Sand 0.1-0.25 mm

MINERAL INTERPRETATION:
AR Weatherable Aggregates	BT Biotite	FK Potassium Feldspar	GN Garnet	HN Hornblende
MS Muscovite	OP Opaques	PR Pyroxene	QZ Quartz

INTERPRETATION (BY HORIZON):
SMIX - Mixed Sand