*** Primary Characterization Data ***

Pedon ID: S68CA017022

( El Dorado, California )

Print Date: Dec 4 2024 3:08AM

Sampled as on Aug 5, 1968:	Elmira
Revised to correlated:	Christopher ; Mixed, frigid Dystric Xeropsamments

				United States Department of Agriculture
SSL	-	Project	NL68CA017   TAHOE BASIN	Natural Resources Conservation Service
	-	Site ID	68CA693-005   Lat: 38° 55' 59.55" north  Long: 119° 58' 21.46" west  MLRA: 22	National Soil Survey Center
	-	Pedon No.	68C0080	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
68C00664	A11	A11	0-3	68664			LCOS	COS
68C00665	A12	A12	3-10	68665			LCOS	COS
68C00666	A2	A3	10-23	68666			LCOS	LCOS
68C00667	B1	B2	23-36	68667			LCOS	COS
68C00668	B2	B3	36-63	68668			LCOS	LCOS
68C00669	C1	C 1	63-99	68669			LCOS	LCOS
68C00670	C2	C 2	99-135	68670			COS	COS
68C00671	2C1	2 C 3	135-155	68671			S	LCOS
68C00672	2C2	2 C 4	155-175	68672			FSL	LFS
68C00673	A	A	0-23	68673

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	1.12	(NA)
Clay, carbonate free, Weighted Average	4	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	78	% wt
Volume, >2mm, Weighted Average	7	% vol
Clay, total, Weighted Average	4	% wt
Weighted averages based on control section: 25-100 cm

*** Primary Characterization Data ***

Pedon ID: S68CA017022

( El Dorado, California )

Print Date: Dec 4 2024 3:08AM

Sampled As	:	Elmira
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  68C0080

---

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
68C00664	0-3	A11	S	cos	2.0	7.3	90.7			3.6	3.7	4.3	12.5	13.4	33.6	26.9	7	4	--	86	11
68C00665	3-10	A12	S	cos	3.1	8.0	88.9			3.8	4.2	6.2	14.7	11.6	24.5	31.9	9	6	--	83	15
68C00666	10-23	A2	S	lcos	3.6	9.9	86.5			4.9	5.0	8.7	18.0	13.6	25.6	20.6	9	6	--	78	15
68C00667	23-36	B1	S	cos	3.7	9.0	87.3			5.1	3.9	7.6	19.3	16.3	27.7	16.4	9	5	--	80	14
68C00668	36-63	B2	S	lcos	3.7	10.3	86.0			4.8	5.5	7.5	17.4	13.8	26.5	20.8	9	5	--	79	14
68C00669	63-99	C1	S	lcos	3.4	10.6	86.0			5.7	4.9	9.3	21.1	16.7	26.7	12.2	8	5	--	77	13
68C00670	99-135	C2	S	cos	2.8	8.1	89.1			4.2	3.9	7.7	19.8	14.0	29.6	18.0	10	6	--	81	16
68C00671	135-155	2C1	S	lcos	4.0	17.9	78.1			9.5	8.4	13.1	24.8	11.5	19.1	9.6	2	2	--	65	4
68C00672	155-175	2C2	S	lfs	4.7	19.4	75.9			8.9	10.5	19.8	31.9	9.0	11.1	4.1	1	tr	--	56	1
68C00673	0-23	A	S														11	7	--

---

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	%
				4A1f	4A1h				4B1c	3C2a1a		3D1		4C1		8D1	8D1
68C00664	0-3	A11	S							4.2		1.008				4.40	2.10
68C00665	3-10	A12	S	1.39	1.41	0.004			8.1	2.7		1.008		0.07		2.29	0.87
68C00666	10-23	A2	S	1.49	1.49	--			8.0	2.9		1.008		0.07		1.67	0.81
68C00667	23-36	B1	S	1.53	1.53	--			6.4	2.7		1.008		0.05		1.38	0.73
68C00668	36-63	B2	S	0.78	1.25	0.160			78.0	2.4		1.008		0.56		1.16	0.65
68C00669	63-99	C1	S	1.54	1.54	--			6.4	2.3		1.008		0.06		1.03	0.68
68C00670	99-135	C2	S	1.55	1.55	--			5.6	1.7		1.006		0.05		0.57	0.61
68C00671	135-155	2C1	S	1.53	1.53	--			9.7	2.7		1.006		0.10		1.33	0.68
68C00672	155-175	2C2	S	1.50	1.50	--			9.7	3.6		1.006		0.09		1.53	0.77
68C00673	0-23	A	S							2.7		1.006

*** Primary Characterization Data ***

Pedon ID: S68CA017022

( El Dorado, California )

Print Date: Dec 4 2024 3:08AM

Sampled As	:	Elmira
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  68C0080

---

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

68C00665

3-10

A12

S

NP

NP

68C00667

23-36

B1

S

NP

NP

68C00672

155-175

2C2

S

NP

NP

---

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 - - - - -)
					6B1a			6A1a		6C2a				8J	6C9a	6G12	6V2	6D5b
68C00664	0-3	A11	S		0.091			2.65	29	0.5			0.24	0.15	0.19	0.14	0.02	62.0
68C00665	3-10	A12	S		0.044			1.32	30	0.5
68C00666	10-23	A2	S		0.028			0.78	28	0.6
68C00667	23-36	B1	S					0.42		0.6			0.28	0.05	0.16	0.20	0.04	52.0
68C00668	36-63	B2	S					0.29		0.6
68C00669	63-99	C1	S					0.20		0.6
68C00670	99-135	C2	S					0.06
68C00672	155-175	2C2	S										0.22	0.05	0.25	0.10	0.03	20.0
68C00673	0-23	A	S		0.054			1.40

*** Primary Characterization Data ***

Pedon ID: S68CA017022

( El Dorado, California )

Print Date: Dec 4 2024 3:08AM

Sampled As	:	Elmira
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  68C0080

---

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	6P2a	6Q2a		6H2a	6G1e		5A3a	5A6a	5A3b	5G1	5C3	5C1
68C00664	0-3	A11	S	2.2	0.3	0.1	0.2	2.8		0.4		2.8	8.8	3.2	13	100	32
68C00665	3-10	A12	S	1.8	0.2	0.1	0.2	2.3	6.5	0.5		8.8	7.1	2.8	18	26	32
68C00666	10-23	A2	S	1.8	0.2	0.1	0.3	2.4	5.5			7.9	6.0			30	40
68C00667	23-36	B1	S	1.5	0.1	tr	0.2	1.8	6.5			8.3	5.1			22	35
68C00668	36-63	B2	S	1.2	0.1	0.1	0.2	1.6	3.8			5.4	4.3			30	37
68C00669	63-99	C1	S	0.5	0.3	0.1	0.2	1.1	2.4			3.5	3.5			31	31
68C00670	99-135	C2	S	1.3*	0.3	0.1	0.1	1.8				1.8	1.6			100	100
68C00671	135-155	2C1	S	3.4	0.5	0.1	0.1	4.1				4.1	5.3			100	77
68C00672	155-175	2C2	S	4.6	0.7	0.1	0.1	5.5				5.5	7.2			100	76
68C00673	0-23	A	S	2.5	0.3	0.1	0.3		6.5				8.6

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

---

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 - -)

%

68C00664

0-3

A11

S

1

68C00665

3-10

A12

S

1

68C00666

10-23

A2

S

2

68C00667

23-36

B1

S

--

68C00668

36-63

B2

S

2

68C00669

63-99

C1

S

3

68C00670

99-135

C2

S

6

68C00671

135-155

2C1

S

2

68C00672

155-175

2C2

S

1

*** Primary Characterization Data ***

Pedon ID: S68CA017022

( El Dorado, California )

Print Date: Dec 4 2024 3:08AM

Sampled As	:	Elmira
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  68C0080

---

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			4C1a1a1
68C00664	0-3	A11	S		4.5	5.4			8.4
68C00665	3-10	A12	S		4.8	5.7
68C00666	10-23	A2	S		5.1	6.0
68C00667	23-36	B1	S		5.2	6.0			9.7
68C00668	36-63	B2	S		5.2	5.9
68C00669	63-99	C1	S		5.1	5.9
68C00670	99-135	C2	S		5.2	6.0
68C00671	135-155	2C1	S		5.2	5.9
68C00672	155-175	2C2	S		5.2	5.9			8.7
68C00673	0-23	A	S		5.1	5.9

---

Phosphorus

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

(- - - - - - - - - - - - - - - - - - - - - - - Phosphorus - - - - - - - - - - - - - - - - - - - - -)

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 - - - - - - - - - - - - - - - - - - - -)

6S8a

68C00664

0-3

A11

S

289.0

68C00667

23-36

B1

S

321.0

68C00672

155-175

2C2

S

162.0

*** Primary Characterization Data ***

Pedon ID: S68CA017022

( El Dorado, California )

Print Date: Dec 4 2024 3:08AM

Sampled As	:	Elmira
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  68C0080

---

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

7A2e

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

68C00665

3.0-10.0

A12

tcly

VR 3

KK 2

MI 1

68C00667

23.0-36.0

B1

tcly

VR 3

KK 3

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
KK Kaolinite	MI Mica	VR Vermiculite

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks

*** Primary Characterization Data ***

Pedon ID: S68CA017022

( El Dorado, California )

Print Date: Dec 4 2024 3:08AM

Sampled As	:	Elmira
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  68C0080

---

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

68C00664

0.0-3.0

A11

vfs

OT 99

GS tr

68C00664

0.0-3.0

A11

fs

OT 99

68C00667

23.0-36.0

B1

vfs

OT 99

GS tr

68C00667

23.0-36.0

B1

fs

OT 99

GS tr

FRACTION INTERPRETATION:
vfs - Very Fine Sand 0.05-0.1 mm	fs - Fine Sand 0.1-0.25 mm

MINERAL INTERPRETATION:
GS Glass	OT Other